安徽省冬油菜的施肥现状及肥料利用率
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卜容燕,程燚,王慧,韩上,胡荣根,余忠,李敏,程文龙,孙义祥,王家宝,武际
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Investigation of Present Fertilization Status and Fertilizer Utilization Rate on Rapeseed in Anhui Province
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BU RongYan,CHENG Yi,WANG Hui,HAN Shang,HU RongGen,YU Zhong,LI Min,CHENG WenLong,SUN YiXiang,WANG JiaBao,WU Ji
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表2 2017—2018年度不同产区冬油菜化肥养分用量
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Table 2 Nutrient application rates in winter rapeseed of different regions during 2017-2018
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地点
Site | 指标
Index | N | P2O5 | K2O | 总计
In all | 养分比例
Nutrition proportion | 沿江
Yanjiang (166) | 变幅Rang (kg·hm-2) | 0-383 | 0-138 | 0-150 | 0-525 | 1﹕0.43﹕0.46 | | 均值Mean (kg·hm-2) | 149 | 64 | 69 | 285 | | 变异系数CV (%) | 36.1 | 41.3 | 41.3 | 32.7 | 江淮
Jianghuai (50) | 变幅Rang (kg·hm-2) | 27-345 | 0-113 | 0-113 | 68-499 | 1﹕0.32﹕0.32 | | 均值Mean (kg·hm-2) | 188 | 61 | 61 | 310 | | 变异系数CV (%) | 37.8 | 43.7 | 43.6 | 27.2 | 皖南
Wannan (184) | 变幅Rang (kg·hm-2) | 4-390 | 0-240 | 0-197 | 7-591 | 1﹕0.37﹕0.37 | | 均值Mean (kg·hm-2) | 164 | 61 | 60 | 285 | | 变异系数CV (%) | 30.6 | 41.9 | 43.0 | 28.3 | 全省
Whole Province (400) | 变幅Rang (kg·hm-2) | 0-390 | 0-240 | 0-197 | 0-591 | 1﹕0.39﹕0.41 | | 均值Mean (kg·hm-2) | 160 | 63 | 65 | 288 | | 变异系数CV (%) | 41.2 | 44.8 | 44.5 | 30.4 |
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