The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
This review focused on the concept and studying methods of root activity patterns and their applications in cropland scientific management.
综述了根活性格局的概念、测定方法及其在农田科学管理中的应用，并对相关研究进行了展望。
This paper aims to develop a new approach to assess the effects for the carbon sequestration management policies of cropland under various kinds of management strategies.
应用数理统计方法构建评价碳汇管理政策影响分析模型，模拟农田碳汇管理政策的影响。
This paper aims to develop a new approach to assess the effects for the carbon sequestration management policies of cropland under various kinds of management strategies.
应用数理统计方法构建评价碳汇管理政策影响分析模型，模拟农田碳汇管理政策的影响。
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