施氮时期和施氮量对优质专用春小麦产量和品质的影响

施氮时期和施氮量对优质专用春小麦产量和品质的影响

雷钧杰;赵奇;陈兴武;赛力汗;金平

新疆农科院粮作所,新疆,乌鲁木齐,830000

收稿日期:2005-05-25 修回日期:2005-05-25 出版日期:2005-05-25 发布日期:2005-05-25

Effects of the period and amount of nitrogen application on yield and quality in special and high quality of spring wheat

LEI Jun-jie;ZHAO Qi;CHEN Xing-wu;Sailihan;JIN Ping

Received:2005-05-25 Revised:2005-05-25 Published:2005-05-25 Online:2005-05-25

摘要/Abstract

摘要： 对优质专用春小麦Y20进行了不同施氮时期和施氮量的施肥试验,结果表明:春小麦追施氮肥以375 kg/hm2尿素为最佳,春小麦产量为5 317.95 kg/hm2,追施尿素525、225和75 kg/hm2的处理春小麦产量依次降低.施氮时期以扬花期施氮春小麦产量最高,为5 086.65 kg/hm2,其次为拔节期施氮,产量为5 043.75 kg/hm2;孕穗期施氮春小麦产量最低为4 978.65 kg/hm2.施氮时期和施氮量对春小麦品质的影响为:在一定施氮量内,春小麦品质与施氮量成正相关,施氮量越多,品质越好;在扬花期施用氮肥,有利于提高春小麦的品质.

雷钧杰;赵奇;陈兴武;赛力汗;金平. 施氮时期和施氮量对优质专用春小麦产量和品质的影响[J]. .

LEI Jun-jie;ZHAO Qi;CHEN Xing-wu;Sailihan;JIN Ping. Effects of the period and amount of nitrogen application on yield and quality in special and high quality of spring wheat[J]. .