化学除草
- 网络Chemical weeding;chemical control
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化学除草对烟田杂草群落结构的影响
Effect of Chemical Control on the Weed Community in Tobacco Fields
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湖南烟地化学除草的初步研究
A study of chemical control on the tobacco field weeds Holly smoke
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新疆CN综合灌溉配套技术免耕棉田的化学除草
Chemical Weed Control in No-tillage Cotton Using CN Integrated Irrigation Technology
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板栗幼林间作西瓜、马玲薯试验表明,间作林的土壤有机质、有效P、水解N含量均比人工抚育林、化学除草林的高;
The experiment shows that the contents of soil organic matter , available P and hydrolyzable N of intercropping forests are respectively higher than those of artificial tending forests and chemical weeding forests .
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化学除草计算机专家系统WCES的研制
Development of a Computer-aided Weed Chemical Control Expert System WCES
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到1995年,水稻田化学除草面积1400×104hm2,占播种面积467%。
Until 1995 , the area of chemical weeding in rice field reached 1400 × 10 4 hm 2 , covering 46 7 percent of seeding area .
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在试验所选用的4个剂量中,以用量为246.7g·666.7m-2时效果相对较好,在河西地区全年化学除草2~3次即可。
Among 4 dosage , effect of using amount of 246.7g · 666.7 m - 2 was better . It 's fit for weeding by chemistry medicament for 2 ~ 3 times in all year in western part of Heibei .
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地膜棉田化学除草研究简报
Studies on chemical weed control in cotton mulching with plastic film
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玉米地化学除草药效试验
Effects of the Chemical Weed Killer on Weeds in Maize Fields
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免耕抛秧稻田化学除草研究
Weeds Control with Herbicides in No-tillage Paddy field with Cast-Transplanted Rice
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马尾松防火道及果园化学除草试验初报
Preliminary Report on Chemical Weeding at Fire Belt and Fruit Orchard
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森林苗圃化学除草的初步研究
A Preliminary Study on Using Chemical Herbicide in the Forestry Nursery
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化学除草技术在杉木幼林抚育中的应用
Application of chemical weeding in tending of Chinese fir young plantation
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棉花密植化学除草不中耕的研究
Research for the NON-INTERTILLAGE of the close-planting cotten by chemical weeding
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免耕玉米田化学除草新混剂使用技术
Research on Mixed Herbicide Technology in Zero Tillage Corn Field
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黑鲷土池育苗与浮游动物的关系池杉苗圃地化学除草试验
The Relationship between Spams Macrocephalus Larvae & Zooplankton in Earth Pond Nursery
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中国蔗园化学除草体系
Chemical Weed Control System in the Sugarcane Fields of China
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延边地区烟田化学除草试验初报
Preliminary Report on Chemical Weed Control of Tobacco Field in Yanbian District
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玉米田化学除草现状及发展趋势
The Status and Development Trend of the Chemical Controlling in Corn Field
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东北林区化学除草问题的探讨
Research on the chemical weeding in the forest area of north-east China
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桑苗圃和桑园的化学除草
Chemical Weed in g in Mulberry Nursery and Mulberry Garden
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目前广泛使用的化学除草和人工除草都有诸多缺点。
At present both herbicide and manual weed control have many shortages .
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云南宾川县亚麻生产技术系列报道之四云南冬亚麻二次化学除草技术研究
Weeding of Winter Flax in Yunnan Province by Chemical Herbicides
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苗圃化学除草与化控技术研究
The Research on the Chemical Control of Weed in g in Nursery
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我国南方主要作物田的化学除草
The Chemical Control of Weeds in Staple Crops Fields in South China
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杉木幼龄林化学除草试验
Chemical Weed Control in the Young Growth of Chinese Fir
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马铃薯田化学除草与化学调控一体化技术研究
Study of Integration of Chemical Weeding and Chemical Regulation in Potato Field
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GB/T15783-1995主要造林树种林地化学除草技术规程
The state technical standard of chemical weed control in main plantation trees
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大苗培植苗圃化学除草技术试验初报
Preliminary Report on Chemical Weeding at Big Seedling Nursery
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杉木苗圃化学除草技术
Weeding Technique with Herbicides in Nursery of Chinese Fir