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当前位置: 首页 > 文章 > 金坛区稻田耕地适宜性评价与施肥推荐 江西农业学报 2016,28 (8) 27-31
Position: Home > Articles > Evaluation of Cultivated Land Suitability and Fertilization Recommendation for Paddy Fields in Jintan District Acta Agriculturae Jiangxi 2016,28 (8) 27-31

金坛区稻田耕地适宜性评价与施肥推荐

作  者：
沈家禾;李勇;朱荣松;邱淑芬;白洁瑞;储亚云
单  位：
江苏省常州市金坛区土壤肥料技术指导站
关键词：
耕地适宜性评价;层次分析模型;隶属度模型;施肥推荐
摘  要：
在构建水稻适宜评价模型,完成耕地适宜性评价的基础上,探讨了水稻数字化施肥技术。选取16个评价指标,构建5个准则层,采用层次分析模型和隶属度模型,通过加法模型计算出耕地地力综合指数,将水稻适宜性分3个等级。高度适宜面积占总耕地面积的6.93%,适宜面积占86.58%,不适宜面积占6.49%。根据适宜性评价结果,结合水稻施肥参数,制定出2个水稻肥料配方(N∶P2O5∶K2O=18∶7∶10和15∶5∶15)。实证结果表明该方法较常规施肥有效地提高了水稻产量,减少了不合理肥料施用。
译  名：
Evaluation of Cultivated Land Suitability and Fertilization Recommendation for Paddy Fields in Jintan District
作  者：
SHEN Jia-he;LI Yong;ZHU Rong-song;QIU Shu-fen;BAI Jie-rui;CHU Ya-yun;Soil and Fertilizer Station of Jintan District,Changzhou City,Jiangsu Province;
关键词：
Cultivated land suitability evaluation;;Hierarchical analysis model;;Membership model;;Fertilization recommendation
摘  要：
This paper constructed a model for the suitability evaluation of cultivated land in paddy fields,and explored rice digital fertilization technique. Sixteen indexes were selected to construct 5 hierarchical layers in this evaluation system. The integrated fertility index of cultivated land was calculated by using analytic hierarchy model,membership model and addition model,and paddy fields were divided into three grades according to their integrated fertility indexes. The highly appropriate area,appropriate area,and unsuitable area of paddy fields accounted for 6.93%,86.58%,and 6.49% of the total,respectively. On the basis of the results of paddy field suitability evaluation,combined with the fertilization parameters of rice,the author made 2 fertilizer formulas for rice,namely N ∶ P2O5∶ K2 O = 18 ∶ 7 ∶ 10,or N ∶ P2O5∶ K2 O = 15 ∶ 5 ∶ 15. The results of demonstration indicated that:in comparison with the conventional fertilization,this method could effectively improve rice yield and reduce the unreasonable application of fertilizer.

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