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以回归设计为主进行田间试验.试验结果经微机分析选模拟合,聚类归并,寻优和吻合度测验,在提出施肥效应方程和土壤养分与地力产量相关式的基础上,建立反映不同类区土壤养分,施肥量与产量关系的优化综合施肥模式.通过测定土壤养分,确定不同土壤供肥水平下经济合理施肥量,顶报产量及其经济效益.经验证示范,由施肥模式确定的施肥量及预报产量在实际生产中重现性好,准确可行,且效益显著.
The field experiment was carried out with regression design.The results of the experiment were selected by computer analysis, clustering, merging, optimization and goodness of fit test.Based on the formula of fertilization effect and correlation of soil nutrient and soil productivity, Area soil nutrients, fertilization and yield optimization of integrated fertilization mode.Determination of soil nutrients, to determine the level of fertilizer for different levels of economic and rational fertilization, top yield and economic benefits.Performed demonstration, fertilization determined by the fertilization mode The quantity and forecast output have good reproducibility in actual production, accurate and feasible, and the benefits are obvious.