巧施柠檬酸 改善土壤环境

XIANDAI NONGCUN KEJI(2009)

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Abstract
<正>土壤是人类最基本的生产资料。土壤资源的质量直接关系着种植业生产建设和发展。石灰性土壤保存着丰富的营养元素,但CaCO3长久障碍种植业生产利用这些土壤营养元素,已成重大疑难问题。
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