| 山西中部菜田施肥状况及土壤养分平衡 |
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| 引用本文： | 程季珍,黄福珍.山西中部菜田施肥状况及土壤养分平衡[J].山西农业科学,1995,23(1):27-30. |
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| 作者姓名： | 程季珍 黄福珍 |
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| 摘 要： | 对山西省中部地区白菜、甘蓝施肥状况及菜田土壤养分情况进行了调查，结果：①施肥水平。全年亩施纯Ｎ３５～７５ｋｇ，Ｐ２Ｏ５１６～３３ｋｇ，Ｋ２Ｏ６～１９ｋｇ。氮：磷：钾＝１：０．４５：０．２１，极不协调。②养分收支状况。有机质收入大于支出，处在积累阶段；氮的投入是支出的４倍，有浪费；磷的投入是支出的近５倍，高度积累；钾的投入小于支出，处于消耗阶段。③施肥原则。老菜田年亩施纯Ｎ１５～２０ｋｇ，Ｐ２Ｏ５５ｋｇ，Ｋ２Ｏ１５～２０ｋｇ；一般菜田年亩施纯Ｎ３０～３５ｋｇ，Ｐ２Ｏ５１５１０～１５ｋｇ，Ｋ２Ｏ１０～１５ｋｇ；新菜田年亩施纯Ｎ４０ｋｇ左右，Ｐ２Ｏ５１５～１７ｋｇ，ｋ２Ｏ１３～１８ｋｇ。
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| 关 键 词： | 白菜，甘蓝，施肥状况，菜田土壤，养分平衡，施肥原则 |
Fertilizer Application and Nutrition Balance of Vegetable Field in Central Shanxi |
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| Abstract: | In central Shanxi,an investigation of fertilizer application and nutrition level for vegetable field was made and the results were as follows:1. when fertilizer application levels per mu of one year were 35￣75kg N, 16￣33kg P2O3 and 6￣19kg K2O, the ratio of N: P: K as 1:0.45: 0.21 was out of balance;2. more input of organic matter suggested it stayed at accumulation stage; nitrogen input was fourfold of output which showed a waste, phosphate input was almost fivefold mean a high accumulation in the soil; the input of potassiums was less than output indicating a consuming. Therefore, our fertilizer recommomdation for the commom land are that the desired fertilizer levels of pure N is 30￣35kg, P2O5 15￣20kg and K2O 10￣15kg; while for the land growing vegetable for a long duration, pure N is 15￣20kg, P2O5 15￣17kg and K2O 13 ￣18kg. |
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| Keywords: | Chinese Cabbage Cabbage Fertilizer application Vegetable field Nutrition balance Fertilizer principle |
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