MBN significantly positively correlated with total nitrogen content and negatively correlated with NO3. Considering winter wheat yield, grain quality, and soil biological characteristics, M N150 was conducive to sustainable production of winter wheat in drylands ol Northw...
在西北旱地冬小麦进行有机肥和化肥配施试验,共设5个处理,有机肥(牛粪,M)施用量30 t·hm^(-2),配以不同量的化学氮肥(0,75,150,225,300 kg N·hm^(-2),分别用M+N_(0),M+N_(75),M+N_(150),M+N_(225),M+N300表示).试验进行3年后,连续两年(2018,2019年)测定小麦产量,品质和土壤生物学...