不同施肥年限下作物产量及土壤碳氮库容对增施有机物料的响应

盖霞普,刘宏斌,杨波,王洪媛,翟丽梅,雷秋良,武淑霞,任天志

Responses of Crop Yields, Soil Carbon and Nitrogen Stocks to Additional Application of Organic Materials in Different Fertilization Years

GAI XiaPu,LIU HongBin,YANG Bo,WANG HongYuan,ZHAI LiMei,LEI QiuLiang,WU ShuXia,REN TianZhi

表1 各处理施肥量

Table 1 Fertilization amount in each treatment (kg·hm-2·a-1)

处理 Treatments 小麦 Wheat 玉米 Maize N P2O5 K2O 有机肥 Manure 小麦秸秆Wheat straw N P2O5 K2O 有机肥 Manure 玉米秸秆 Maize straw NPK 150 75 45 0 0 150 75 45 0 0 NPKM 150 75 45 22500 0 150 75 45 0 0 NPKM+ 150 75 45 33750 0 150 75 45 0 0 NPKS 150 75 45 0 2170 150 75 45 0 2170