WANG Yu-xian,WANG Jun-qiang,PAN Wen-yong,et al.Effect of Water and Fertilizer Coupling on Spring Maize andOptimum Model in Qiqihar[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(04):61-63.[doi:10.11942/j.isn1002-2767.2009.04.0061]
齐齐哈尔地区春玉米水肥耦合效应及优化模型
- Title:
- Effect of Water and Fertilizer Coupling on Spring Maize andOptimum Model in Qiqihar
- 文章编号:
- 1002-2767(2009)04-0061-02
- Keywords:
- spring maize; water and fertilizer coupling; optimum
- 分类号:
- S513
- 文献标志码:
- A
- 摘要:
- 采用二元二次饱和D-最优试验设计方案(206), 通过抗旱棚进行盆栽试验, 在固定 P、K 肥料用量的前提下, 对另外 N 肥和水的耦合效应进行了研究。结果表明, N 和水配合存在阈值反应, 通过对所建数学模型的计算机模拟, 提出了不同决策目标下的水肥优化方案。
- Abstract:
- Duality quadratic saturating D-optimum design was carried out under pot experiment to study the interaction of Nfertilizer and water coupling at a givenlevelof P and K.The results showed that the threshold value existed in water-fertiliz-er interaction.The optimal scheme of water -fertilizer interaction under objectives was worked out by computer simulation ona mathematical model which was established based on the result of experiment.
参考文献/References:
[ 1] 司振江.黑龙江省西部半干旱区节水抗旱技术模式研究[ D] .长春:吉林大学硕士学位论文, 2006.
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备注/Memo
基金项目:黑龙江省科技攻关项目(GA07B101A10)第一作者简介:王宇先(1982-), 男, 黑龙江省鸡西市人,在读硕士,研究实习员, 从事旱作节水农业研究。E-mail:wyx13836209470@163.com