herbicidal effect是什么意思

用法例句

Report of Oxyfluorfen in the Test of Weeding of Chinese Fir;

乙氧氟草醚在杉木苗田除草试验的报告

The weeding effect on Miscanthus floridulu and Phrag mites by Caoshu herbicides;

草舒对五节芒和芦苇的除草效果初报

Development of Weeding Robot Based on Direct Herbicide Application Method;

基于直接施药方法的除草机器人

Effects of weed control in tobacco fields by 50% napropamide WP covering were studied.

通过喷施 5 0 %敌草胺可湿性粉剂覆盖农膜防除烤烟地杂草试验 ,结果表明 ,不同处理的除草剂对烤烟地一年生禾本科杂草的防效很好 ,对双子叶杂草稍差。

Field experiments were conducted to evaluate preapplied roundup tank mixtures with atrazine plus acetochlar for weed control in zero-tillage corn field.

对农达和乙阿合剂单用及桶混在免耕玉米田的除草效果进行了研究 。

Studies on analysis and fate of imidazolinone herbicides in soil;

土壤中咪唑啉酮类除草剂的分析及归趋研究

Synthesis technique of soybean herbicide fomesafen;

豆田除草剂虎威的合成研究

Residue Dynamics of Novel Herbicide H-9201 in Carrot (Daucus carota L.var.sativa DC.) and Soil;

新型除草剂双甲胺草磷(H-9201)在胡萝卜和土壤中的残留动态研究

Synthesis and herbicidal activity of N-isoindoline-1,3-dione-substituted phenyl-N'-benzoyl ureas;

N-异吲哚-1,3-二酮取代苯基-N’-苯甲酰基脲类衍生物的合成与除草活性

Bioassay on the herbicidal activity of extracts from Erigeron canadensis;

小飞蓬提取物除草活性的生物测定

Synthesis and herbicidal activity of N-(2-chloropyrid-3yl)carbonyl-2′-substituted arylsulfonamides;

N-(2-氯吡啶-3-基)羰基-2′-取代芳基磺酰胺的合成及除草活性

China Herbicides Industry Present Situation, Question and Development Trend;

中国除草剂产业现状、面临的问题及发展趋势

Advanced research of super-efficient herbicides ——On Research of herbicides targeted ALS by Yang Guangfu and Yang Huazheng;

超高效除草剂的前沿研究——评杨光富、杨华铮著《以ALS为作用靶的超高效除草剂研究》

Photodegradation of sulfonylurea herbicides on silica gel;

磺酰脲类除草剂在硅胶G表面的光解