1. Phloughing resulted in decrease in soil organic matter content in coming year, while successive ratoon cultivation could increase or maintain soil organic matter content.
翻犁后一年的土壤有机质含量会下降，连续宿根栽培则可以提高或维持有机质含量。
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2. Phloughing resulted in decrease in soil organic matter content in coming year, while successive ratoon cultivation could increase or maintain soil organic matter content.
