长期不同施肥红壤磷素变化及其对产量的影响
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李冬初,王伯仁,黄晶,张杨珠,徐明岗,张淑香,张会民
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Change of Phosphorus in Red Soil and Its Effect to Grain Yield Under Long-Term Different Fertilizations
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DongChu LI,BoRen WANG,Jing HUANG,YangZhu ZHANG,MingGang XU,ShuXiang ZHANG,HuiMin ZHANG
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表1 不同处理肥料年投入量
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Table 1 Application rates of fertilizers under different treatments
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处理
Treatment | 玉米季Maize | 小麦季Wheat | 化肥
Mineral fertilizer (kg·hm-2) | 猪粪鲜重
Swine manure (t·hm-2) | 化肥
Mineral fertilizer (kg·hm-2) | 猪粪鲜重
Swine manure (t·hm-2) | | CK | 0-0-0 | 0 | 0-0-0 | 0 | | N | 210-0-0 | 0 | 90-0-0 | 0 | | NP | 210-84-0 | 0 | 90-36-0 | 0 | | NK | 210-0-84 | 0 | 90-0-36 | 0 | | PK | 0-84-84 | 0 | 0-36-36 | 0 | | NPK | 210-84-84 | 0 | 90-36-36 | 0 | | NPKM | 63-84-84 | 29.4 | 27-36-36 | 12.6 | | 1.5NPKM | 95-126-126 | 44.1 | 40-54-54 | 18.9 | | NPKS | 210-84-84 | 1/2秸秆还田
1/2 crop straw return | 90-36-36 | 1/2秸秆还田
1/2 crop straw return | | M | 0-0-0 | 42 | 0-0-0 | 18 |
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