河套灌区玉米一穴双株高产栽培穴行距配置

doi:10.3969/j.issn.2096-1197.2019.01.06

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (1): 29-32.doi: 10.3969/j.issn.2096-1197.2019.01.06

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Study on row spacing allocation of high yield technology for double plant in one hole cultivation of maize in Hetao irrigation area

DANG Jiuzhan[1];ZHAO Qiang[2];LIU Yujie[2];ZHANG Yujin[1];ZHANG Guang[3];REN Xiaozhong[3];LI Yanying[4];BAI Yongxing[2]

[1]Maize Research Institute,Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences,Hohhot 010031,China;[2]Hanggin Rear Banner Area Agricultural Technology Promotion Center,Shanba 015400,China;[3]Urat Technology Extension Center of Agriculture and Animal Husbandry,Wulashan 014400,China;[4]Hebei Flutur Agricultural Technology Development Limited Company,Shijiazhuang 050000,China

Received:2018-12-02 Online:2019-01-19 Published:2019-08-19

Abstract

Abstract: In order to determine the technical measures for high-yield maize cultivation in Hetao irrigation area and explore greater potential for yield increases,a randomized block group experiment was conducted in 2018 with one hole and two plants using different hole spacings and row spacings.The results show that the optimum allocation of hole spacing×row spacing between films is between 33×86 and 36×76 under the experiment conditions of Denghai 618,96 000 plants/hm2 and 40 cm row spacing on-film.Investigation and analysis of the changes of leaf area and dry matter during the growth period show that 36×76 and 33×86 treatments have larger leaf area per plant,longer green leaf duration and faster accumulation of dry matter after spinning.The yield difference between 36 cm×76 cm and 33 cm×86 cm is not significant,but the differences between 36 cm×76 cm,33 cm×86 cm and 39 cm×67 cm are significant,and the difference between 30 cm×96 cm and 27 cm×114 cm is extremely significant.In conclusion,the optimal hole spacing and row spacing of maize with two plants in one hole with high yield were determined to be 33 cm×86 cm and 36 cm×76 cm in Hetao irrigation area.

Key words: Maize;Double plant in one hole;Row spacing allocation

CLC Number:

S513

DANG Jiuzhan;ZHAO Qiang;LIU Yujie;ZHANG Yujin;ZHANG Guang;REN Xiaozhong;LI Yanying;BAI Yongxing(Maize Research Institute,Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences,Hohhot 010031,China;Hanggin Rear Banner Area Agricultural Technology Promotion Center,Shanba 015400,China;Urat Technology Extension Center of Agriculture and Animal Husbandry,Wulashan 014400,China;Hebei Flutur Agricultural Technology Development Limited Company,Shijiazhuang 050000,China). Study on row spacing allocation of high yield technology for double plant in one hole cultivation of maize in Hetao irrigation area[J].Journal of Northern Agriculture, 2019, 47(1): 29-32.

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https://journal30.magtechjournal.com/bfnyxb/EN/Y2019/V47/I1/29

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Study on row spacing allocation of high yield technology for double plant in one hole cultivation of maize in Hetao irrigation area

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