培肥灌溉
Fertilizer irrigation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
硝态氮和水溶性有机氮随灌溉水向下迁移，对底土具有培肥作用。
Nitrate and water soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
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模块上移
模块下移
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