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酸性低产田的改造 1.使用石灰中和酸性,667米~2施40～50公斤,以后每年次施用量减少1/2,直至改造为中性或微酸性土壤。
Transformation of low-acidity fields 1. The use of lime and acidity, 667 m ~ 2 facilities 40 to 50 kg, after the annual sub-application to reduce 1/2, until the transformation of neutral or slightly acidic soil.