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为了迎接淡水危机的挑战 ,在“雨养农业”建设中通过油渣、绿肥、秸秆“过腹还田”、发展节粮养殖业、扩大粪肥来源 ,通过改掺土积肥为粪草堆肥、提高粪肥质量 ,节约施肥劳力 ,是增加土壤有机质、建设土壤水库、提高降水生产效率、预防旱灾的有效途径
In order to meet the challenge of the freshwater crisis, oil-residue, green manure and straw were used in the construction of “rain-fed agriculture” to develop grain-saving aquaculture and expand the source of manure. The quality of manure and fertilization labor saving are effective ways to increase soil organic matter, build soil reservoirs, increase precipitation production efficiency and prevent drought.