基于土壤有机质含量推荐的旱地冬小麦施氮量研究
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蒋龙刚,黄明,宋庆赟,苑爱静,李嘉华,邱炜红,王朝辉
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Research on Nitrogen Fertilizer Application Recommended Method Based on Soil Organic Matter in Dryland Wheat Production
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JIANG LongGang,HUANG Ming,SONG QingYun,YUAN AiJing,LI JiaHua,QIU WeiHong,WANG ZhaoHui
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表3 2014—2017年不同处理施肥量
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Table 3 N, P and K fertilizer application rates in different treatments during 2014-2017
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生长季 Growing season | 试验地点 Experimental site | 氮肥用量N rate (kg N·hm-2) | 磷肥用量P rate (kg P2O5·hm-2) | 钾肥用量K rate (kg K2O·hm-2) | 农户习惯施肥FP | 推荐施肥OFP | 农户习惯施肥FP | 推荐施肥OFP | 农户习惯施肥FP | 推荐施肥OFP | 2014—2015 | 彬县BX | 241 | 195 | 139 | 88 | 38 | 30 | 凤翔FX | 231 | 211 | 182 | 95 | 0 | 36 | 合阳HY | 137 | 101 | 138 | 30 | 32 | 30 | 蒲城PC | 213 | 136 | 144 | 61 | 69 | 30 | 耀州YZ | 169 | 140 | 119 | 47 | 51 | 30 | 永寿YS | 186 | 160 | 98 | 68 | 41 | 30 | 平均Mean | 196 | 157 | 137 | 65 | 39 | 31 | 2015—2016 | 彬县BX | 232 | 195 | 124 | 88 | 33 | 30 | 凤翔FX | 197 | 211 | 71 | 95 | 25 | 36 | 合阳HY | 150 | 116 | 131 | 59 | 48 | 30 | 蒲城PC | 199 | 163 | 112 | 73 | 27 | 30 | 耀州YZ | 169 | 140 | 119 | 47 | 51 | 30 | 永寿YS | 185 | 161 | 110 | 38 | 0 | 30 | 平均Mean | 189 | 164 | 111 | 67 | 31 | 31 | 2016—-2017 | 彬县BX | 221 | 200 | 130 | 90 | 39 | 30 | 凤翔FX | 203 | 203 | 101 | 98 | 30 | 35 | 合阳HY | 140 | 106 | 129 | 54 | 30 | 30 | 蒲城PC | 152 | 171 | 105 | 76 | 30 | 30 | 耀州YZ | 203 | 140 | 96 | 106 | 30 | 30 | 永寿YS | 188 | 148 | 114 | 63 | 30 | 30 | 平均Mean | 185 | 161 | 113 | 81 | 32 | 31 | 2014—2017 | 彬县BX | 231 | 197 | 131 | 89 | 37 | 30 | 凤翔FX | 210 | 208 | 118 | 96 | 18 | 36 | 合阳HY | 142 | 108 | 133 | 48 | 37 | 30 | 蒲城PC | 188 | 157 | 120 | 70 | 42 | 30 | 耀州YZ | 180 | 140 | 111 | 67 | 44 | 30 | 永寿YS | 186 | 156 | 107 | 56 | 24 | 30 | 平均Mean | 190 | 161 | 120 | 71 | 34 | 31 |
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