我国春麦区小麦化肥有机替代潜力分析

贾立国,石晓华,苏亚拉其其格,秦永林,于静,陈杨,樊明寿

Potential Analysis of Organic Fertilizer Substitution for Chemical Fertilizer in Spring Wheat Regions of China

JIA LiGuo,SHI XiaoHua,SUYALA Qiqige,QIN YongLin,YU Jing,CHEN Yang,FAN MingShou

表6 我国各省份春小麦秸秆及其养分资源量

Table 6 Crop straw and its nitrogen, phosphorus and potassium contents in different spring wheat regions of China

地区 Region 产量 Yield (×104 t) 秸秆量 Straw weight (×104 t) 秸秆N量 Nitrogen amount in straw (×104 t) 秸秆P2O5量 P2O5 amount in straw (×104 t) 秸秆K2O量 K2O amount in straw (×104 t) 内蒙古 IM 202.2 222.5 1.2 0.2 2.5 新疆 XJ 203.6 224.0 1.2 0.2 2.6 甘肃 GS 108.5 119.3 0.6 0.1 1.3 青海 QH 42.6 46.9 0.2 0.04 0.5 黑龙江 HLJ 36.1 39.8 0.2 0.04 0.4 宁夏 NX 29.1 32.0 0.2 0.03 0.3 总计 Total 622.5 684.7 3.7 0.6 7.9