摘要
综述了目前我国农田的化肥施用现状,指出了其中存在的化肥施用过量、利用率低等问题。同时,分析了不合理施肥造成的资金、能源浪费,环境污染,食品安全受到威胁等严重后果。从政策、作物品种、施肥制度、肥料品种、施肥新技术等方面提出几点建议,以达到确保作物增产的同时,达到减少投入、环境友好的效果。
The paper analyzed the current situation of fertilizers used in farmland in China,found problems of excessive fertilization and poor efficiency. The Unreasonable fertilization led to waste of money and power,environment pollution, threat of food safety,etc. Several suggestions,including policy,crop varieties,different fertilization,fertilizer varieties and so on were given,to ensure high yield of crop,low investment,and environment protection.
出处
《农机化研究》
北大核心
2014年第9期260-264,共5页
Journal of Agricultural Mechanization Research
基金
国际科技合作项目(2013DFA31560)
"十二五"国家科技支撑计划项目(2012BAH29B04)
关键词
化肥
利用率
现状
建议
fertilizer
efficiency
current situation
suggestions