山西省阳高县甘蓝田病虫草害综合危害损失测算系统应用研究
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摘要
过去农作物病虫草危害损失往往是靠经验估计,人为估算误差较大。2016年,在阳高县通过设置不同防治区,运用农作物病虫危害损失测算系统V1.0分析甘蓝田病虫草害综合危害损失。结果表明,经防治共挽回损失114 994.8万kg,挽回损失率达71.52%;实际损失产量12 386.1万kg,实际损失率为7.65%。
In the past, the damage of crop disease pest and weed was often estimated from experience, and the estimation error was large. In 2016, many kinds of prevention and control areas were set up in Yanggao county, and the comprehensive damage and loss of disease pest and weed in the cabbage field was analyzed using the Crop Pest and Disease Damage Calculation System V1.0. The results showed that after prevention the overall loss ratio reduced 71.52%, the actual loss rate was 7.65%. The total loss from disease pests decreased 1 149 948 000 kg, and the actual loss was 123 861 000 kg.
In the past, the damage of crop disease pest and weed was often estimated from experience, and the estimation error was large. In 2016, many kinds of prevention and control areas were set up in Yanggao county, and the comprehensive damage and loss of disease pest and weed in the cabbage field was analyzed using the Crop Pest and Disease Damage Calculation System V1.0. The results showed that after prevention the overall loss ratio reduced 71.52%, the actual loss rate was 7.65%. The total loss from disease pests decreased 1 149 948 000 kg, and the actual loss was 123 861 000 kg.
引文
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[14]王永强.结球甘蓝高效栽培及病虫害防治技术[J].农技服务,2016,33(10):69-70.
[15]吕亚.甘蓝的栽培技术与病虫害防治[J].农技服务,2016,33(2):107.
[16]张朝贤.农田杂草防除手册[M].北京:中国农业出版社,2000.
[17]张朝贤,胡祥恩,钱益新,等.杂草密度与作物产量损失的预测模型[J].植物保护,1997,2(2):6-10.
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