氮肥不同追施量对设施黄瓜硝酸盐及亚硝酸盐累积的影响

Journal of Northern Agriculture ›› 2016, Vol. 44 ›› Issue (6): 9-9.

Influence of the dosage of nitrogen fertilizer on the content of nitrate and nitrite in greenhouse cucumber

PANG Zhuo1, PANG Yun2, REN Yonghong2, GAO Hongyan1, HU Liying1, WANG Shengli3,ZHOU Yong4,MENG Fangang5,ZHAO Shenghou6（1.Soil and Fertilizer Work Station of Hohhot,Hohhot 010020,China;2.Vegetable Technology Extending Station of Hohhot,Hohhot 010020,China;3. Economic Crops Work Station of Hohhot,Hohhot 010020,China; 4. Saihan District Vegetable Pest Monitoring and Forecasting Control Station of Hohhot,Hohhot 010070,China; 5.Hohhot Quality and Safety of Agricultural and Livestock Products Center, Hohhot 010020,China; 6.Tumed Left County Agriculture and Animal Husbandry Bureau,Chasuqi 010100,China ）

Online:2016-12-20 Published:2016-12-20

Abstract

Abstract: The nitrogen fertilizer experiment was carried out in Hohhot to study the influence of nitrogen fertilizer on cucumber yield and the content of nitrate and nitrite. The results showed that nitrogen application of 125 kg/667m2 was an optimum nitrogen for improving the cucumber yield. There was a positive correlation between the nitrogen fertilizer and nitrate or nitrite in cucumber when the dosage of urea were between 50 to 100 kg/667m2.The nitrate and nitrite were relatively lower when the dosage of urea were between 100 to 125 kg/667m2. In consideration of the economic production and good product quality and the largest fertilizer utilization, reduce environmental pollution. For getting the target yield by 8 000 kg/667m2,the dosage of urea between 100 to 125 kg/667m2 was the reasonable fertilizer application for greenhouse cucumber in Hohhot.

CLC Number:

S642.2

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Influence of the dosage of nitrogen fertilizer on the content of nitrate and nitrite in greenhouse cucumber

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