Ancient people used manure spreading, plowing, planting and reforming saline-alkaline soil and such measures to improve soil.
古代人民通过粪肥施用、耕作、种植、盐碱土改造等措施，来改良土壤。
Ancient people used manure spreading, plowing, planting and reforming saline-alkaline soil and such measures to improve soil.
古代人民通过粪肥施用、耕作、种植、盐碱土改造等措施，来改良土壤。
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