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十年来,我国人口每年净增一千多万,耕地却递减二百万亩,传统农家粪肥使用越来越少,土壤势态劣化,若遇天灾,后果就难料
In the past 10 years, the population of our country has increased by more than 10 million annually, while the cultivated area has decreased by 2 million mu. As the traditional farm manure is used less and less, soil conditions deteriorate. In the event of a natural disaster, the consequences are unpredictable