黑河地区耕地土壤养分与化肥投入变化特征及培肥措施

Variation Characteristics of Soil Nutrients and Fertilizer Input in Cultivated Land and Fertility-Building Measures in Heihe Area

随着农业种植业结构的调整和耕地使用年限的增加,土壤养分有逐年退化的趋势。土壤质量的变化与生态环境、经营管理水平及肥料施用密切相关。以黑龙江省黑河地区为例,通过收集历史资料和结合实地调查,分析了黑河地区耕地化肥投入的发展变化过程及农用耕地土壤存在的主要问题,阐述了保护耕地资源的有效措施及提高土壤肥力的途径,从而保证本地区农业可持续发展。

With the adjustment of agricultural planting structure and the increase of cultivated land use years,soil nutrients tend to degrade year by year.The change of soil quality is closely related to ecological environment,management level and fertilizer application.Heihe Area of Heilongjiang Province was taken as an example,through the collection and investigation of historical data,this paper analyzed the development and change process of fertilizer input in cultivated land and the main problems existing in cultivated land soil in Heihe Area,expounded the effective measures to protect cultivated land resources and the ways to improve soil fertility,so as to ensure the sustainable development of agriculture in this area.