化学除草

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

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

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

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 .

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

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 .

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 .

地膜棉田化学除草研究简报

Studies on chemical weed control in cotton mulching with plastic film

玉米地化学除草药效试验

Effects of the Chemical Weed Killer on Weeds in Maize Fields

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

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

森林苗圃化学除草的初步研究

A Preliminary Study on Using Chemical Herbicide in the Forestry Nursery

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

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

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

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

中国蔗园化学除草体系

Chemical Weed Control System in the Sugarcane Fields of China

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

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

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

桑苗圃和桑园的化学除草

Chemical Weed in g in Mulberry Nursery and Mulberry Garden

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 .

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

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

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

杉木幼龄林化学除草试验

Chemical Weed Control in the Young Growth of Chinese Fir

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

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

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

杉木苗圃化学除草技术

Weeding Technique with Herbicides in Nursery of Chinese Fir