1.
Occurrence Regularity and Chemical Control Measures of Weeds in Cotton Field in Hebei Province
河北省棉田杂草发生规律及化学防除
2.
A Study on the Occurrence Law of Gramineous Weeds in Turf and Their Chemical Control Technique;
草坪禾本科杂草发生规律及化学防除技术研究
3.
The Study on Emergence Regulation and Control of Weeds in Cool-season Lawn;
川西平原区冷季型草坪杂草发生规律与控制技术的研究
4.
Studys on Arise Rules and Control Technology of Weeds in Afforestation Nursery
绿化苗圃杂草发生规律及治理技术的研究与推广实践
5.
Effects of Different Tillage Methods on Weed Dynamics and Yield in Corn Field
不同耕作方式对玉米田杂草发生规律及产量的影响
6.
Study on the species and occurrence regularity of understory weeds on Chongming Island
上海崇明岛林下杂草种类及发生规律研究
7.
Study on the Occurrence and Integrated Management of Weeds in Turf;
草坪杂草发生分布规律及其综合防除体系的研究
8.
A Study on Occurance Rule of Weed Community and Chemical Control in Transplanted Rape Fields after Rice;
稻茬移栽油菜田杂草群落发生规律及化学防除研究
9.
Studies on Alien Invasive Weeds in Lishui and Their Occurrence in Fields of Vegetable Crops;
入侵浙江丽水的外来杂草及其在蔬菜地发生规律的研究
10.
Studies on the Changes of Nutrient Contents and Biomass of Pennisetum Hybrid during Growing Period
杂交狼尾草生长过程中营养成分含量与生物量变化规律的研究
11.
Study on the Occurrence Pattern and Controlling Technique of Ryegrass Rust (Puccinia spp.);
西安市绿化草坪锈病发生规律及防治技术研究
12.
A Primary Research on the Distribution Law of the Main Insect Pest to T.repens;
白三叶草主要虫害发生规律的初步研究
13.
Incidence and Epidemics of Giant Ragweed Rust (Puccina xanthii f. sp. ambrosiae-trifidae)
三裂叶豚草锈病发生和流行规律的研究
14.
Study on Occurrence Regulation and Control Measures of Tobacco Bacterial Wilt
旱地烟草青枯病发生规律及药剂防治试验
15.
The Occurrence Regularity and Control Techniques of Rosicha Corpulenta Kuw in North Jiangsu
苏北地区草履蚧的发生规律及防治技术
16.
Study on Xiangxi Cattle Growth Developmental Mechanism and Utilization of Hybrid Effect;
湘西黄牛生长发育规律及杂交利用效果研究
17.
Studies on Occurrence of False Smut of Two-Line Hybrid Rice Infected by Ustilaginaoidea Virens and Its Integrated Managements;
两系法杂交稻稻曲病发生规律和控防技术研究
18.
Pathogen and occurrence regularity of Bambusa ervariabilis×Dendrocalamopsis daii blight
撑×绿杂交竹梢枯病病原及发生规律研究