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红小豆高产栽培数学模型研究
作者: 朱体超1  孙学映1 *  刘春英1  陈光蓉2  
单位: (1 重庆三峡农业科学院;2 重庆三峡职业学院:重庆 414155)  
关键词: 红小豆  高产栽培  产量  数学模型  
分类号:S521.04
出版年,卷(期):页码:2013 ,44 ( 5 ): 页码:755-759
摘要:

【Objective】The mathematical model for high-yield cultivation of red adzuki bean was studied to provide references for improving relevant cultivation techniques and measures. 【Method】Using quadratic regression orthogonal rotation combination design of five factors, the mathematical models between red adzuki bean yield (y) and sowing time (x1), plant densities (x2),pure N(x3), P2O5(x4) and K2O(x5)were established for simulation-optimization. 【Result】The red adzuki bean yield surpassed 1255.09 kg/ha when sowed in late April with density of 116.6-123.4 thousands plants/ha and sprayed with pure N 43.92-50.37 kg/ha, P2O5 57.353-62.998 kg/ha and K2O 28.335-31.665 kg/ha. 【Conclusion】Quadratic orthogonal rotation combination design with five factors (sowing time, planting density and NPK rates) was workable for building mathematical model for high-yield cultivation of red adzuki bean. In Wanzhou ecological conditions, red bean production is still in need of additional P fertilizer.

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