农艺措施对紫色水稻土无机磷形态的影响
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重庆市科委中青年科学基金资助项目(编号97031)。


EFFECT OF AGRONOMIC MANAGEMENT ON FORMS OF INORGANIC PHOSPHORUS IN PURPLE PADDY SOIL
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    摘要:

    本文对不同农艺措施下紫色水稻土无机P的形态进行了分级测定,结果表明:有机肥与化肥配合施用,有利于促进P素向有效态转化。不同有机肥处理对土壤P库的贡献大小不一样,其顺序为:猪粪 > 化肥 > 对照 > 绿 > 蚕豆青;耕作措施对P各形态的有效性影响较大,效果依次为水旱轮作 > 免耕垄作 > 常规耕作;土壤中无机P的形态与土壤肥力水平密切相关。

    Abstract:

    Fractionation of inorganic phosphorus in purplish paddy soils under different farming practices was carried out. The results show that formulated application of organic manure and chemical fertilizers may facilitate transformation of phosphorus into available forms. Its contribution to soil available P pool varies with the kind of manure used. in the sequence of pig manure > chemical fertility > control > green duckweed > horsebean. The effects of farming practices on availability of various phosphorus farms are significant. They are in the order of water-drought rotatatio > non-tillage ridge in a field > routine tillage. The contents of various forms of P are closely related to soil fertility.

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马红亮,高明,魏朝富.农艺措施对紫色水稻土无机磷形态的影响[J].土壤,2003,35(3):248-254. Ma Hongliang, Gao Ming, Wei Chaofu. EFFECT OF AGRONOMIC MANAGEMENT ON FORMS OF INORGANIC PHOSPHORUS IN PURPLE PADDY SOIL[J]. Soils,2003,35(3):248-254

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  • 在线发布日期: 2017-05-20
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