蔬菜保护地土壤磷形态及其迁移转化特征

来源 :西北农业大学西北农林科技大学 | 被引量 : 0次 | 上传用户：q546609271

【摘要】

：

该试验选用土壤磷累积问题比较突出的蔬菜保护地土壤,采用蒋柏藩-顾益初无机磷分级方法,研究了蔬菜保护地土壤磷素形态、空间分布特征;利用土柱模拟试验研究了土壤磷素移动性

【作者】

：

杨奋翮

【机构】

：

西北农林科技大学

【出处】

：

西北农业大学西北农林科技大学

【发表日期】

：

1999年期

【关键词】

：

蔬菜保护地土壤磷素移动性供磷潜力

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论文部分内容阅读

该试验选用土壤磷累积问题比较突出的蔬菜保护地土壤,采用蒋柏藩-顾益初无机磷分级方法,研究了蔬菜保护地土壤磷素形态、空间分布特征;利用土柱模拟试验研究了土壤磷素移动性及对生态环境的潜在影响;利用盆栽试验研究了土壤磷素的供磷素能力.旨在进一步探讨蔬菜保护地土壤磷形态及在土壤的转化特性,为蔬菜保护地合理施用磷肥提供理论依据.

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