摘要
在小麦高肥水地块,确定秸秆还田与不还田2种还田条件,免耕、深耕和两年旋耕一年深耕3种耕作方式,666.7m2施纯氮15、11、20 kg 3个水平,通过区组优化,设计建立不还田免耕(BM)、还田免耕(HM)、还田深耕(HS)和还田综合(HZ)4种耕作模式,在每种耕作模式上进行纯氮3个水平的裂区试验。经过数据调查、统计分析和AHP层次比较,得出在秸秆还田条件下,实行深耕的耕作模式,666.7m2施纯氮15kg、钾肥(K2O)5 kg、磷肥(P2O5)7 kg为最佳方案。
Through block tillage models The experiment was conducted in the wheat field with high fertilizer and water supplies. combination optimization of 2 conditions including straw returning and non -straw returning, 3 including no tillage, deep tillage and two -year rotary tillage plus one year deep tillage, and 3 fertilizer application levels including pure nitrogen fertilizer of 15, 11 and 20 kg platforms were finally designed, namely as non -straw returning plus no - no -tillage （HM）, straw returning plus deep tillage tillage per 666.7m2, 4 experiment （BM）, straw returning plus （HS）, and straw returning combination （HZ）. Three fertilizer levels were done on each platform. Through data survey, statistical analysis and analytic hierarchy process （AHP）, the best scheme was obtained under the straw returning condition, applying deep tillage mod- el with the application of 15 kg N, 5 kg K20, and 7 kg P205 per 666.7m2.
出处
《山东农业科学》
2013年第3期80-82,共3页
Shandong Agricultural Sciences
基金
山东省现代农业产业技术体系小麦创新团队
关键词
秸秆还田
耕作模式
肥料水平
Straw returning
Tillage model
Fertilizer application level
