北方农业学报 ›› 2016, Vol. 44 ›› Issue (6): 9-9.
庞琢[1];庞云[2];任永红[2];高宏艳[1];胡丽英[1];王胜利[3];周勇[4];孟凡刚[5];赵生厚[6]
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 )
摘要: 在呼和浩特市开展设施黄瓜氮肥不同用量试验,研究氮肥对黄瓜产量以及体内硝酸盐和亚硝酸盐含量的影响,结果表明,氮肥用量125 kg/667m2对于提高黄瓜产量来说是一个最佳的氮肥施用量。在氮肥用量为50-100 kg/667m2时,氮肥用量与黄瓜硝酸盐及亚硝酸盐成正相关关系,在氮肥用量100-125 kg/667m2时,黄瓜硝酸盐和亚硝酸盐含量相对较低,是比较适宜的氮肥用量;在综合考虑经济合理产量和良好品质的同时,兼顾最大肥料利用率,减少环境污染,可以得到目标产量8 000 kg/667m2下,氮肥用量100-125 kg/667m2为设施栽培黄瓜最佳的合理施肥量。
中图分类号: