1.
Study on the Regularity of Occurrence and Control Techniques of Pear Scab on Baozhu Pear;
宝珠梨黑星病田间发生规律及防治技术研究
2.
Identification of PNRSV and Its Regularity of Outbreak in Cherry of Xi'an Region
西安地区樱桃李属坏死环斑病毒病鉴定和田间发生规律
3.
Occurrence Regularity of Bacterial Leaf Spot on Hot Pepper and Its Field Trials of Fungicide
辣椒细菌性叶斑病发生规律及田间药效试验
4.
Occurrence Regulations and Countermeasures of Sphaerotheca Pannosa under Protected Cultivation
设施栽培月季白粉病田间发生消涨规律与防治技术
5.
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
6.
Law of field soil ammonia volatilization in summer maize under different fertilizer patterns
不同施肥模式下夏玉米田间土壤氨挥发规律
7.
The Research of Occurrence and Population Ecology of Bemisia Tabaci (Gennadius) in Cotton in Turpan
吐鲁番棉田烟粉虱发生规律及种群生态学
8.
Study on Occurrence Regularity and Control of Bmisia Tabaci (Gennadius) in Cotton Fields in Dunhuang City;
敦煌市棉田烟粉虱的发生规律及防治研究
9.
Study on the Occurrence Regularity of Apple Scab in Shaanxi and Hungicides Screening in Field;
陕西苹果黑星病发生规律及大田防治药剂筛选
10.
The Occurrence and Control Countermeasures of Pomacea canaliculata in Paddy Field in Pucheng County of Fujian Province
浦城县水稻田福寿螺发生规律与防治对策
11.
Occurrence of the key diseases and insect pests in intensive rice system
强化栽培稻田主要病虫害的发生规律研究
12.
Ammonia Volatilization of Corn Farmland Ecosystem under Various Proportions of Nitrogen and Phosphorus in Black Soil
黒土玉米农田生态系统氮磷配施氨挥发规律
13.
Requirement on Nutrient and Accumulation on Biomass by Up-ground Parts of Tea Plants under Field Conditions;
田间条件下茶树地上部生物量累积和养分需求规律的研究
14.
Study on Biology Character of Panonychus Ulmi Experiment Population and Its Field Pendulum;
苹果全爪螨实验种群的生物学特性及其田间消长规律的研究
15.
not frequent; not occurring regularly or at short intervals.
不经常发生；不是有规律的或者间隔短发生的。
16.
The Population Dynamics and Distribution of Golden Apple Snail in Paddy Fields
福寿螺在水稻田的消长规律及其田间分布动态
17.
A Study on Host,Distribution and Occurrence Pattern of Potosia brevitarsis Lewis in Xinjiang
白星花金龟在新疆农田生态区的寄主、分布及其发生规律
18.
Studies on the Main Species and Occurrence Characteristics of Tobacco Pests in Field Growth Phase in Sichuan Province
四川烟草大田生长期害虫种类及主要害虫发生规律研究