| 生草覆盖果园有机质及矿物质的变化 |
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| 引用本文： | 牛自勉,赵红钰.生草覆盖果园有机质及矿物质的变化[J].山西农业科学,1997,25(2):61-64. |
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| 作者姓名： | 牛自勉 赵红钰 |
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| 作者单位： | [1]山西省农业科学院 [2]中国科学院新疆分院 |
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| 摘 要： | 研究结果表明，果园生草覆盖时0～20cm土壤有机质、速效钾和全氮含量增加，Ca，Fe的含量也有不同程度增加；处理树叶片中Ca，Fe含量高于耕作施肥果园，其他矿质营养接近或略低于施肥果园；生草覆盖处理增加了0～20cm土层中有机质及速效氮含量，而对40～60cm土层影响不明显。
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| 关 键 词： | 苹果 生草覆盖 土壤有机质 矿质营养 |
Changes of Organic Matter and Mineral Elements in the Soil and Leaves in Weed Mulching Orchard |
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| Abstract: | The experimental results showed that: (1 )Under the treatment of natural ecologicalorchard, the contents of organic matter, soluble K and soil N increased,and Ca,Fe contents increased in some degree; (2)The contents of Fe and Ca in the leaves of natural ecological orchardtreatment was higher than that of fertilizer treatment,and the other mineral element were sameor lower than that of fertilizer treatment 3 (3)The contents of organic and soluble N in natural ecological orchard in 3th and 4th years increased obviously in 0-20cm soil and changed slowly in40-60cm deep soil. |
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| Keywords: | Apple Natural grass orchard Ecological orchard Organic matter Mineral element |
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