Under the treatments of the normal irrigation and drought stress at silking stage,39 kinds of BC1F2 backcross groups and their parents of corn were used as the experimental material.The relationship of photosynthetic parameters and the drought tolerance between the inbred lines and BC1F1 groups at silking stage and their drought resistance were explored.The result showed that the coefficient of net photosynthetic rate（Pn）,transpiration（Tr） and corn yield drought-resistant coefficient were positively correlated and corn yield,drought-resistant coefficient,the coefficient of net photosynthetic rate（Pn）,transpiration（Tr） had the major variance contribution ratio and total contribution ratio, and they could be used to evaluate the drought resistance of corn.It was concluded that one was drought-resistant,4 were the better and 34 was not drought-resistant in 39 kinds of maize inbred lines;In BC1F2 groups,12 drought-resistant kinds were founded,1 was relatively droughtresistant and 26 were not drought-resistant.By built the BC1F2 groups,13 kinds of BC1F2 groups with significantly higher drought resistance were achieved.

Discuss the low-temperature degradation of corn straws compound strains growth characteristics and degradation in liquid fermentation conditions called GF-S72.The results showed： under 10℃ condition,GF-72 could improve the effects on the degradation of corn straws.The growth curve of compound strains directly into the logarithmic phase after inoculation, the11 d largest growth, the OD value of 0.246;p H value decreased rapidly in the early stage of incubation, and then stabilized at around 7.2;degradation rate of 34.70% after 15 d,significantly higher than CK;cellulose,hemicellulose,lignin remaining amount was 1.12 g,0.72 g,0.27 g,was significantly higher than CK.Therefor therefore GF-S72 complex strains has a research and development potential is very complex strains.So compound strain named GF-S72 was a strain with had the potential of research and development.The result showed that the test parameters and basis were provided to further develop straw counters-field compound bacterium agent for the bacteria.

Based on the different ratio of postharvest mushroom waste, vermiculite, cow dung and physicochemical properties and its influence on vegetable seedlings determination and analysis, in order to provide theoretical basis for ＂breeding rules＂ theory. The results showed that the mushroom wastes： vermiculite： cattle manure ratio of 2 ∶1∶2, 2∶2∶2, 2∶2∶1, 3∶2∶2, 2∶1∶1 had suitable physicochemical properties for vegetable seedlings growing. Mushroom wastes, vermiculite and cow dung ratio of 2 ∶2∶2 was the best substrate ratio of tomato, eggplant. Mushroom wastes, vermiculite and cow dung ratio of 2 ∶2 ∶2,3 ∶2 ∶2,2 ∶1 ∶1and2∶1∶2 was the best substrate ratio of green pepper.

The mass spectrometry param eters for determine diethylstilbestrol, malachite green, leumalachite green was optimized and a high-performance liquid chromatography-mass spectrometry method was established for the determination of three compounds. The results showed that such a method had the advantages of time-saving, with high sensitivity and accuracy, and it was suitable for quantitative analysis of diethylstilbestrol, malachite green, leumalachite green at same time,especially suitable for large quantities of samples.

In wheat jointing stage and booting stage spraying potassium dihydrogen phosphate, potassium sulfate, humic acid,growth-promoter, results were compared with the same amount of water spraying（CK）. The results showed that the efficiency of potassium dihydrogen phosphate was higher than CK 330.0 kg/hm2 by 9.24%; the net benefits was723.00 yuan/hm2;inputoutput ratio was 5.4∶1.

The current annual rainfall situat ion of china dry-land agricultural region is relatively low, and the water use efficiency is relatively poor. As a result, the broom corn millet is the major crop for dry-land agricultural region because of it has drought tolerance and barren resistance characters. In order to against this situation, the experiment is aimed to research the effects that the growth, development and output of broom corn millet have been affected by the different irrigation stages and irrigation water use. The experiment was using the variety of Neimi5 to make the different irrigation water use test. Then sampling and measuring the physiological measure, morphological index and output during the major growth period（tillering stage and booting stage）. The results have been shown as：The NO.12 treatment has the highest data than other treatments,especially on average height, leaf area and dry matter accumulation aspects. In addition, the average height, leaf area and dry matter accumulation of NO.12 treatment were higher 6.0%, 11.1% and 14.3% than NO.9 treatment on tillering stage, and11.1%, 5.6% and 10.1% on booting stage. chlorophyll content of broom corn millet has significant difference during the tillering stage. The NO.12, NO.6, NO.2 and NO.9（CK） have the most significant difference with each other as well as NO.12 has the highest chlorophyll B and chlorophyll numbers. The malondialdehyde（MDA） content of NO.12 treatment has the most significant difference which the content is quite lower than CK treatment. The outputs has difference between different treatments. NO.12 treatment has the highest outputs which are 6 387.0kg/hm2, it was increasing 7.6% than CK. To conclusion,the irrigation experiment of NO.12 treatment could increase the outputs and drought tolerance of broom corn millet.

Based on the field experiment, the effect of the one-time use of sustained release compound fertilizer on product and the nitrogen accumulation and transport of spring maize were analysed.The results showed that, compared to conventional fertilization（CK）and one-time use of sustained release compound fertilizer, the product was no significant difference. Dry matters accumulations of flowing period、Nutritive organ DMA transport、Contribution rate to grain was significant difference, Dry matters accumulations of grain was no significant difference.Improving nutrient accumulations at flowering period;NUE、NPFP、NIE have no significant difference, NRE of one-time use of sustained release compound fertilizer significantly higher than CK.,but PPFP、KPFP significantly were lower than CK, between the three dry matters accumulations、nitrogen accumulation and yield do regression equation,there was close correlation.

This paper introduced the field experimental results of ＂3414＂ fertilizer response to corn in 2013 at chifeng city.The theoretical optimal fertilization amount of N,P and K were N 18.59 kg/667m2、P2O512.23 kg/667m2﹑K2O 6.72 kg/667m2.The optimal yield was 954.66 kg/m2 under the ratio of pure N ∶P2O5∶K2O（1.00 ∶0.66 ∶0.36）.The recommendation fertilization amounts were urea（N,460 g/kg） 40.41 kg/667m2,calcium superphosphate（P2O5,120 g/kg） 101.92 kg/m2 and potassium sulfate（K2O, 500 g/kg） 13.44 kg/667m2.

Through national capital subsidy program of soil testing and formula fertilization, the farmland soil nutrient survey was done in Horqin Youyi Zhongqi during 2007 and 2012. Through the villages and township soil sample was taken and tested the various nutrients, it had been clear about the existing farmland nutrient status especially farmland soil organic matter and macroelements,which was the basis for scientific fertilization. Through the existing nutrient content compared with the second soil census, the effects of fertilization measures on farmland soil nutrient was definite and scientific fertilization measures should be applied.8 444 sample testing results showed that the average farmland soil organic matter content was28.6 g/kg and the range was 2.6~109.1 g/kg and organic matter content from northwest to southeast decreased. The average,minimum and maximum content of organic matter, alkali-hydro nitrogen, total nitrogen, effective phosphorus and available potassium had certain differences in each township and the average content of total nitrogen, effective phosphorus and available potassium were low in some towns, while macroelement nutrient content was relatively high on Tuliemaodu farm.Through nearly 30 years of farming, organic matter, total nitrogen, available potassium had a lower trend,however the effective phosphorus increased.

Straw returning to field can improve soil an d promote organic matter and increase nutrients and enhance soil fertility. At the same time it can also reduce the pollution from the burning of straw and protect the ecological environment.In addition, a certain amount of chemical fertilizer should be used when straw returned to field.

In order to further improve the demonstration effect of high-yield cultivation new model of oil-used sunflower on saline-alkali land and expand the demonstration area, using the regional contrast method, ＂ the farmyard manure ＋ organic fertilizer ＋ pressure sand ＋ application of phosphorus gypsum ＋ plastic mulching ＂ the comprehensive demonstrations measures were concentrated carried out, conventional planting, open ditch ridging, pressure sand, desulfurization gypsum as controls. The results showed that the modified integrated model of saline soil can effectively improve the germination rate of sunflower, thus significantly increase production of sunflower.

Through comparative analysis implementation measured soil fertilizer project since the second soil census and the changes in soil nutrient situation, combined with corn fertilizer, soil fertility status of corn field are analyzed and some problems found during production, analyzed the reasons for problems and puts forward some measures to improve corn field soil fertility next, aims to provide reference for the continuous and stable yield of Liangcheng corn and Suggestions.

In efficient crop planting area, due to large amounts of nitrogen, phosphorus and potassium fertilizers, it lead to soil nutrient imbalance, soil harden, acidification, the disease aggravating, resulted in decline at quality and yield of agricultural products. Under different soil conditions, we tested effect of fertilizer synergist ＂heyuanjia＂ mineral elements in large area, the results showed that the ＂heyuanjia＂ mineral fertilizer not only was used in the field crops, but also was used in all kinds of vegetables. Not only did yield increase, but also it improved the utilization rate of fertilizer, increased the crop resistance,prevented premature aging, got more fruit, weighted gain fast, showed 5-7 d mature earlier than controls, with nitrogen,phosphorus and potassium fertilization effect was more apparent, yield increased at more than 20%. The corn used by Heyuanjia increased production by 25.9%-33.1%. The red pimentos increased production by 36.1% and pure benefit by1378 yuan, with considerable benefit.

To obtain high density bacterial fertilizer, the liquid fermentation conditions of Bacillus atrophaeus were optimized by single factor experiments. The results showed that the optimal culture conditions were temperature of 32℃, initial p H of7.0, medium volume of 50 m L/250 m L flask, inoculation amount of 2% and incubation time of 24 h. The results could provide basic data for production of Bacillus atrophaeus bacterial fertilizer for agricultural application.

By research on the key prevention and co ntrol technology to bacterial canker of tomato, seed disinfection is the most crucial technology during prevention and control tomato ulcer disease, and robust seedling cultivation is important too.We researched the effect of the three different seedling culture modes with nutrition bowl, paper-tube and plug-seedling on disease incidence of bacterial canker of tomato. The result showed that the disease incidence of nutrition bowl seedling and paper-tube seedling in greenhouse and field is lower than plug-seedling if not hurt the root when we transplant seedlings,with stronger seedlings and developed root of tomato in nutrition bowl and paper-tube.

20% flumorph·fluazina m suspending agent was tested for prevention and control of potato late blight in field experiment, the results showed that the dosage of 120 g/667m2 had best effect for controlling potato late blight, the average control effect was 60.8%, it was higher control effect than the contrast 20% 60 g/667m2 flumorph agent wettable powder and500 g/L 36g/667m2 fluazinam.Under test dosage, it was safe to plant, no phytotoxicity and other adverse reactions.

Hebei poplar wrinkled leaf disease is caused by g all mite（Eriophyes dispar Nal.）, Three generations a year in Baotou. shrinking and green early, gradient for reddish or purple, research on the prevention and control by 5 kinds of chemicals, and we obtained the very good control effect.

In order to do a good job in the identifi cation and control of Foxtail millet seedling pests Pachnephorus lewisii,Main grain pests of Foxtail millet seedling morphological characteristics, occurrence regularity of Pachnephorus lewisii were summarized, and according to the occurrence regularity conclusion we formulated the control method.

The discipline aimed to establish agricultural measures which included ＂set rotation, seed selection, field management and so on for farming-pastoral zone of conservation tillage rape and combined with mechanical, chemical weed control method formed mode of integrated weed control technology, the weeds comprehensive control measures, time,herbicide and tools selection, the specific technical requirements and other important content were described to reglate weeds comprehensive control technology procedures, it was suitable for farming-pastoral zone of conservation tillage rape field.

The discipline aimed to esta blish agricultural measures which included ＂set rotation, seed selection, field management and so on for farming-pastoral zone of conservation tillage wheat, and combined with mechanical, chemical weed control method formed mode of integrated weed control technology, the weeds comprehensive control measures, time, herbicide and tools selection, the specific technical requirements and other important content were described to regulate weeds comprehensive control technology procedures, it was suitable for farming-pastoral zone of conservation tillage wheat field.

The characteristics of climatic variation and its impact on plant climate productivity were studied with the observed data of 6 meteorological stations from 1961 to 2014 in the steppe of Chifeng. The results showed that annual average temperature increased significantly in 56 years, and the annual precipitation was slightly decreased. The forage grass climate productivity in the steppe of 6 counties were slightly decreased, and the means of climate productivity was 6 992.88 kg/hm2·a, and the rate of decrease was 1.956 3 kg/ hm2·a. The regional distribution of forage grass climate productivity in north of the steppe was better than in south, the rate of change were from-13.38 to 2.63. For two meteorological factors, annual precipitation was very significantly positive correlated with climate productivity, and annual average temperature was significantly negative correlated with climate productivity, which implied the natural precipitation was important meteorological factor in determining climate productivity in steppe of Chifeng.

By analyzing the monthly sunshine duration of Kulun in Tongliao Inner Mongolia during 1961 and 2014, we compared with their variation characteristic and analyzed the historical evolution of sunshine duration and the interannual and inter-season and inter-monthly variation characteristics using simply mean value, monadic linear regression and Mann-Kendall methods. The results showed that the sunshine duration showed a trend of decrease and the climate tendency rate was-46.525h/10 a. The performance of seasonal change of sunshine duration in winter presented the increasing trend slowly but the decreasing trend in spring, summer, autumn. The rainy season had a greater impact on sunshine duration.

The haze weather is a phenomenon of atmospheric pollution, it not only brings serious harm to people＇s health, at the same time it causes serious influence to traffic. The reasons of haze weather appeared in chifeng were explained, and some measures to improve air quality were put forward.

According to the climate data from 1961 to 2 013, using climate tendency rate and Mann-Kendall method, we analyzed the regional characteristic of climate in Taipusi banner. The results showed that the annual mean temperature had risen at the speed of 0.34 ℃ /10 a, the rising temperature in winter contributed to the climate warming and the annual precipitation decreased at the rate of 2.1 mm/10 a. During the summer and spring, the precipitation decrease was more noticeable in nearly 53 years. Besides the annual precipitation, other climatic element including annual mean temperature,annual maximum temperature, annual minimum temperature, the accumulated temperature（≥0℃） and the accumulated temperature（≥10℃） had abrupt a lot, but the abrupt time was different. The finding provided scientific basis for the local agriculture to adapt to the climate change.

The agrometeorological conditions of spring maize during whole growth period in Lihe area in 2014 had significant characteristic. The temperature difference was big during filling and ripening stage, and sunshine was abundant. The temperature was low during seedling stage and the maize growth delayed, but the temperature during middle-later stage made up to the early temperature. the little lower temperature during middle-later stage and the well-distributed precipitation inhibited the development of starscream,which reduced the harm to increase maize yield.

This paper summarized 2014 climate change situation of chifeng city to provide the reference for the related researchers studying climate change law as well as the response to climate change.

Chifeng belongs to the temperate semi-arid continental monsoon climate. Its geographical position forms the abundant cloud water resources but less rainfall. Through the analysis of the status of water resources of Chifeng we put forward the necessity of meteorological cloud water resources engineering regulation and some guiding significance in a scientific,effective and timely way.

The rainfall intensity formula is the important basis for rainwater drainage system design, so the accuracy of the formula poses a great impact on the safety and economy of urban drainage system. The research progress for deriving methods of urban rainfall intensity formula was reviewed briefly in this article, and development trends of future research and key problems to be solved were also raized.

Through analysis of the development of existing Hulunbuir TV weather forecast meteorological service and the chara cteristics was examined, the service means and service ability of TV weather forecast urgently needed to be reformed and improved.TV weather forecast needed to change service mode, especially which was mainly fast and convenient. Users can also obtain a variety of meteorological needed information which meteorological department issued anywhere at any time by other emerging media technology, forming a pattern of diversity in broadcast media linkage and three-dimensional services covering.

Lightning protection is one of the means for detecting an important part of the mine disaster reduction, and one of the earth resistance measurement is the key and the main content of the lightning protection device testing, also important technical indicators, but also the determination is the entire mine facilities qualified important basis. In routine testing work,due to the different grounding object to be measured using different grounding objective environment, often encountered ground resistance readings unstable and inaccurate phenomenon, if not carefully analyze local conditions, proper calibration,measurement the result will affect the accuracy of measurement affect the impartiality of the data. On this, The writer of this paper conclued testing methods of lightning protection devices through the practice and exploration of several years.

According to P1 ×P2 incomplete diallel cross design, by using the way of NC Ⅱ, the combining ability on customize and the introduction of 11 inbred line material were determined and analyzed to provide theoretical guidance for future breeding work. Based on 11 inbred lines materials plant height, ear, ear length, ear diameter, bare tip length, ear rows,row grains, hundred grain weight eight main characters and general combining ability analysis, taken together, PH6 wc, K12,K3, 816, 2011, the five inbred lines generally coordination with the strong, Use them as parents were more likely to obtain superior combination; Through the combination of 30 special combining ability effects of relative value estimate, K12 ×PH6wc, 08-42×816, PH4cv×PH6wc, K3×816 production special combining ability were had high effect value, Especially in grain number, hundred grain weight, ear length and other aspects show the special excellent characteristics, has great value of development.

Neicong No.3 was new variety of welsh onion for spring sowing. It has characters such as dark-green leaf, thick wax powder, disease resistance and medium yield. Its plant height was about 80 cm. Its pseudo-stem length was 25~30 cm. Its pseudostem diameter was 2 ~3 cm. Its average single plant weight was 200 ~250 g. And its average yield was 2 500 ~3 000 kg/667m2.Neicong No.3 was suitable for planting in northern region. By seedling in greenhouse, the products can be harvested earlier.

A new variety Hui feng-11 was bred by the cooperation of Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences Vegetable Institute with Bao Tou City Hao Hua Agricultural Science and Technology Co.,Ltd. In the early spring, autumn delay crops and the open cultivation respectively during 2011 and 2012, the results showed that the average yield of the Huifeng-11 cow-horn pepper was 5 789.7 kg/667m2, increasing 33.5% than contrast varieties; For extensive production model from 2013 to 2014, the average yield was 5 500.8 kg /667m2, increasing 39.6% than contrast varieties.It has characteristics with precocity, high yield, disease resistance and good quality.The variety was suitable for cultivation on protected land and open field in Northward.

Oumeiya No. 1 was bred by Inner Mongolia Xingan League Xingfeng Seed Industry Limited Company, self inbred line Xing 10-1 as female parent and self inbred line 33 as male parent. The obvious advantages of the maize variety were the earlier maturity, good density-tolerance, suitable for mechanical sowing and harvesting and comprehensive resistance. High yield cultivation technique were fine soil preparation, timely sowing, scientific fertilization, timely checking seedling, pest control and timely late harvest, etc.

On the basis of the introduction to the application scope of drip irrigation under plastic film of potato, the detailed cultivation technique procedures was put forward in order to promote the development of drip irrigation technology under plastic film.

summarized the test by many years, the procedures for cotton ＂coated, drip irrigation＂ as the main technical points and the ＂short, dense, early＂ as the main technical elements, the cotton drip irrigation water saving cultivation techniques in the western of Inner Mongolia were standardized, it can fully guide the whole process of cotton water saving cultivation management in the western of Inner Mongolia, included the preparation before planting, the laid of drip irrigation belt,sowing, water management, chemical control, control and prevention insects pests and timely harvest, etc.

Using the HCG, S-Gn RH-A and DOM mixed injection of oxytocin and artificial insemination technology, induced spawning oxytocin 400（male and female ratio is 3∶2）, 584 thousand eggs, oxytocin rate of 86.25%, fertilization rate reached97.32%. Through the purchase, construction of parallel trough, greenhouse, special cultivating facilities for seedling cultivation, hatching rate of 91.13%, raising seedling survival rate reached 89.37%, Brachymystax lenok seedlings were developed to 392 000. The results showed that the incubation of seedling breeding in net confining and discharge model after wintering can effectively improve seedling survival rate, and conversion of proliferation effect was obvious, it is a an effective means for proliferating large predatory fish and low-value miscellaneous fish.

Through collection and analysis of data and samples, the reasons about dead fish in Old Barag Banner were analyzed for dead fish. Results suspected that upstream of moerg river and hailaer river discharged the acidic pollutants into river; and Erzi lake contained phosphorus pollutants; pollutants with the river flows into the local water caused quality deterioration; and fish disease. And the next research directions were proposed.

Through summarizing Cha Er Sen reservoir fishe ries management pattern,from the reservoir species range,fishery management,commercial fish fishing,processing,marketing and management system and so on,northern large reservoir fisheries development ideas are put forward.

The Internet plus initiative on Beijing veg etable industry based on the whole industry chain was analyzed in this paper. It described the definition, classification and the four key technical supports for the Internet plus vegetable industry,explored the Internet plus initiative on Beijing vegetable industry, and Mainly put forward the ＂Internet ＋ vegetable industry＂ technology research, deepen integrated it with agriculture applications, preformed production and marketing into whole industry chain, actively promote industry science and technology demonstration and put forward some countermeasures for government to make policy.

With the industrialization and urbanization level increasing in Wuhai city, however, agriculture was shrinking, and the imbalance of industrial and agricultural development was evident. combined Wuhai itself features with agricultural development status, the advantage, disadvantage, opportunities, and threat of modern agricultural type were analyzed, we advised to integrat existing resources, with the help of west large development, and catch opportunities by economic transformation, to develop modern agriculture with unique features in Wuhai.

With the further development of science and t echnology, Electronic commerce with multiple advantages such as convenience, universality, integrity quickly captured the vast consumers. In the traditional agriculture to modern agriculture transition point,how Modern farmers to grab O2 O this effective model, to Achieve increasing production is an important research subject.

Agricultural technology extension is an im portant bond to play a major sector in linking policy with the people.According to the experience in developing basic agricultural technology extension for three years from Hedong, the main points and notes about select technicians, train model household, build demonstration base, improve network were elaborated in this article to offer some references in better to develop this work.

Ganoderma lucidum industry can develop well because of advantageous production conditions with the particularity of geographic location and environmental conditions. Genhe city is suitable for developing high altitude ganoderma lucidum industry. In this paper, the growth environment, product quality, market prospect, economic advantages and social benefits were explained the advantages of the development of production conditions.

The advantages and disadvantages of implementation of grazing prohibition focused on were investigated and studied, the results showed that there are many problems in completely grazing prohibition, such as weeds waste of straw,environmental pollution and safety problems. Seasonal grazing could raise the utilization ratio of straw, improve the level of mutton sheep health, and promote the sustainable development of ecological agriculture.

The model of the farmer field school is most effecti ve eduction model.It may improve science and technology quality of peasants and change agriculture and livestock scientific and technical payoffs into real productive forces.It has strong pertinence and high efficiency characteristic. Traditional eduction model could not compare with it.

The article discussed the progress,method and main problem about rural land transfer in Ordos city.Morever, the tipical cases of unsuccessful transter were listed. And then, the cause of these problems were analyzed. Finaly, some countermeasures and suggestions for solving this existing problems were proposed.

With the continuous development of scienc e and technology. The various departments to the development of the market economy requirements is also continuly improving. The factors that affect the effectiveness of their services were mainly explored as the perspective of agricultural stations, and understand the dominance and recessive factors which influencing the effect of farm machinery service station. Practice proved that it could enhance qualitative service efficiency of agricultural stations with quality and quantity largely, and expected results service could be reflected if we had a certain understanding and inquiry of the agricultural machine station service effects affected factors.

In recent years, the development of grass industry and land circulation has been promoted evidently in Baotou.Through investigated current situation and the development of grass industry and the land circulation, the existence of restriction factors were analyzed, and measures to accelerate the industrialized operation of agriculture were proposed to promote the development of grass industry and the land circulation.

In the field of soil-less culture technology, each invention should own the intellectual property rights, especially patent rights. The development route of technical direction and means in the field of domestic and aboard soil-less culture technology were focused on in this paper.

Biochemistry Experiments is a compulsory course for students in majors involving life science. The teaching effect is important for students in scientific training and basic experimental performance. Towards the current status of difficulty of students in active learning under traditional teaching model, our research group investigated the major problems via questionnaire survey, and then attempted to reform and explore from multimedia courseware design, introduction of differed results, and performance evaluation system. These attempts successfully activated the learning interest of students and improved the teaching effect.

There were some investigations of about the ＂Fugui Tang＂ in the Cao Family at Gedatou village, Shangcun town,Zhouzhi county, Xi＇an city of Shaanxi Province and interview about their ages, education and marriage and a questionnaire in the aspect of life threaten and the level of happiness. The results showed that： 1. There were some big changes and fast growth in population, education level and marriage during 60 years; 2. In a span of 60 years, villagers believed that threaten were still in the life, just the source of it changed.