摘要
利用测土配方施肥补贴项目获得的基础数据,完成了桃源县耕地地力评价。以构成基础地力的地貌类型、地形部位、土体构型、障碍因素、排灌条件、土层厚度、坡度、年产量等为依据,将耕地分成高、中、低三等。针对中低产耕地的类型,采取了一系列的改良措施,分析了改良取得的主要成果和改造存在的主要问题,并提出了相应的对策与建议。
The fertility evaluation was conducted to farm-land in Taoyuan County based on the data from project of formula fertilization by soil testing.The farm-land was divided into three classes（high,middle and low） according to landform type,landform position,configuration of soil body,obstructive factor,condition of drainage and irrigation,thickness of soil layer,gradient and annual yield,etc..A series of improving measures were adopted to farm-land with middle and low yield,the main achievements and problems of improvement were analyzed,and the corresponding strategies and suggestions were proposed.
出处
《湖南农业科学》
2010年第5期51-54,共4页
Hunan Agricultural Sciences
关键词
中低产
耕地
改良
对策
建议
middle and low yield
farm-land
improvement
strategy
suggestion
