南方农业学报2011，Vol.42Issue(7)：768-770,3.
兴安县耕地地力等级划分与评价
Evaluation and classification of grades of cultivated land in Xing' an
摘要
Abstract
[Objective]The present study was conducted to scientifically evaluate the fertility status of cultivated land in order to implement soil testing based fertilizer applications, and to adjust the structural of agricultural industry for its sus-tainability in Xing'an county. [Method]According to standards of national cultivated land classification (NY/T309-1996), the grades of cultivated land were classified and scientific evaluation was performed referring to the techniques mentioned in the guidebook of evaluation of the cultivated land fertility, and used the information management system resources of the cultivated land in Xing' an county. [ Result ]The cultivated land of Xingan county was divided into seven grades of fertility. The grade 1-2, 3-5 and 6-7 covered 4344 (12.7%), 24255 (71.3%) and 5430 ha (16.0%) areas of cultivated land. [Sug-gestion]It has been suggested that different improvement measures should be taken into account which must be based on the grades of cultivated land. Some of the measures suggested include strengthening the practice of deep plowing; balanced and soil test based application of fertilizer; enhancing application of organic fertilizers; promoting green manure plantations and straw/trash returning to the soils; promoting construction of water conservation facilities, improved irrigation facilities, etc.关键词
耕地/地力/等级划分/评价/兴安县Key words
cultivated land/ fertility/ classification of grades/ evaluation/ Xing' an分类
农业科技引用本文复制引用
陈艳春..兴安县耕地地力等级划分与评价[J].南方农业学报,2011,42(7):768-770,3.基金项目
2005年全国测土配方施肥补贴资金项目 （）
