我国春麦区小麦化肥有机替代潜力分析
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贾立国,石晓华,苏亚拉其其格,秦永林,于静,陈杨,樊明寿
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Potential Analysis of Organic Fertilizer Substitution for Chemical Fertilizer in Spring Wheat Regions of China
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JIA LiGuo,SHI XiaoHua,SUYALA Qiqige,QIN YongLin,YU Jing,CHEN Yang,FAN MingShou
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表1 我国不同地区春小麦产量及化肥施用量
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Table 1 Yield and fertilization rates of spring wheat in different regions of China
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灌溉模式
Irrigation mode | 地区
Region | 产量
Yield
(kg·hm-2) | 施氮量
Nitrogen rates
(N) (kg·hm-2) | 施磷量
Phosphorus rate
(P2O5) (kg·hm-2) | 施钾量
Potassium rate
(K2O) (kg·hm-2) | 总养分量
Total fertilizer
Rate (kg·hm-2) | 样本量
Numbers of
sample | 漫灌
Flood irrigation | 内蒙古西部WI | 5711 | 340.4 | 255.4 | 7.5 | 603.3 | 94 | | 宁夏 NX | 4578 | 357.0 | 182.7 | 33.4 | 573.1 | 328 | | 新疆 XJ | 5655 | 237.8 | 143.7 | 9.3 | 390.8 | 81 | 滴灌
Drip irrigation | 新疆 XJ | 6465 | 211.1 | 189.5 | 21.2 | 421.8 | 46 | 旱作
Rainfed | 甘肃 GS | 3910 | 193.4 | 122.6 | 20.6 | 336.6 | 1365 | | 青海 QH | 4870 | 159.0 | 140.0 | 27.0 | 326.0 | 217 | | 内蒙古东部EI | 2935 | 80.2 | 90.0 | 15.0 | 185.2 | 35 |
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