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灰色局势    
相关语句
  grey situation
    A GREY SITUATION DECISION—MAKING FOR THE OPTIMAL TIME TO PREVENT AND CURE LEAF BLIGHT OF SINGLE HARVEST RICE
    确定单季稻纹枯病防治适期的灰色局势决策
短句来源
  grey game decision
    Comparison Between the Variance Analysis Model and Grey Game Decision Model in Pesticide Experiment
    方差分析模型与灰色局势决策模型在农药试验分析应用中的比较研究
短句来源
    This paper points out that the variance analysis model has unavoidable limitation in pesticide test analysis. By comparing the variance analysis model with the grey game decision model, the authors realize that the limitation is closely relative to the greyness in the pesticide control systems of crop diseases, pests and weeds.
    指出方差分析模型在农药试验分析应用中有其不可避免的局限性 ,通过方差分析模型与灰色局势决策模型的比较 ,认为这种局限性与农作物病、虫、草害药剂防治系统的灰色性密切相关。
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In this paper, a grey situation decision-making is used to decide the optimal time to prevent and cure leaf blight of single harvest rice. Our goals of the prevention and cure are: (1) The disease index is reduced to the lowest, (2) The total cost is cut down to the minimum. (3) The output becomes high. This grey deeision-mahing question has many goals. The results are showed that effect of pesticide "Jinggangmeisu" is better than that of "C-12s" and the best effect will be got if "Jinggangmeisu" is used once...

In this paper, a grey situation decision-making is used to decide the optimal time to prevent and cure leaf blight of single harvest rice. Our goals of the prevention and cure are: (1) The disease index is reduced to the lowest, (2) The total cost is cut down to the minimum. (3) The output becomes high. This grey deeision-mahing question has many goals. The results are showed that effect of pesticide "Jinggangmeisu" is better than that of "C-12s" and the best effect will be got if "Jinggangmeisu" is used once in boot stage.

本文应用灰色局势决策(也称灰色系统决策)确定单季稻纹枯病最佳防治适期,在考虑通过防治达到纹枯病病情指数低、成本省和亩产高三个目标前提下,对分蘖期、拔节期、孕穗期和齐穗期分别使用C—125(简称C药)和井岗霉素(简称井药)两种农药采取防治一次、二次、三次三种方案,结果表明:井药的防治效果比C药好;孕穗期使用井药一次,防治效果最好;用药一次比用药二次,三次,防治效果显著。

The effect of two pesticides, Bingchongjing and Daofengling, against rice stem borer, rice hopper, and rice sheath blight was analyzed with the theory of Grey Scheme Decision. As a result, the best scheme and the optimal dose of the two pesticides were determined.

灰色局势决策的原理、方法对病虫净、稻丰灵新型杀虫、杀菌剂田间药效资料进行分析,是一种新的尝试。通过分析找到了二晚苗期使用病虫净、稻丰灵防治二化螟、稻飞虱、浮尘子、纹枯病的最优局势。确定了最佳用量

The test of applying herbicides to control the weeds in seedling-throwing early rice field was conducted in Ji'an city, Jiangxi province in 2001, the test results were analyzed by grey decision method, and therefore 4 fine weeding schemes such as applying 25% and 35% Bensulfuron methyl·butachlor were put forward, these schemes were popularized and applied to control the weeds in seedling-throwing double-cropping late rice field in 2001 as well as the weeds in seedling-throwing early rice field in 2002, and significant...

The test of applying herbicides to control the weeds in seedling-throwing early rice field was conducted in Ji'an city, Jiangxi province in 2001, the test results were analyzed by grey decision method, and therefore 4 fine weeding schemes such as applying 25% and 35% Bensulfuron methyl·butachlor were put forward, these schemes were popularized and applied to control the weeds in seedling-throwing double-cropping late rice field in 2001 as well as the weeds in seedling-throwing early rice field in 2002, and significant economic-effect was achieved.\;

采用灰色局势决策方法 ,对江西省吉安市 2 0 0 1年早稻抛秧稻田化学除草的试验结果进行了分析 ,提出了施用抛秧宁 ( 2 5%苄·丁粉 )、抛栽田丰 ( 3 5%苄·丁可湿粉剂 )等 4种杂草优化管理方案 ,并在 2 0 0 1年二晚和 2 0 0 2年早稻抛秧稻田推广应用 ,取得了显著的经济效益。

 
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