1.
Occurrence Dynamics and Control Countermeasures of Cnaphalocrocis medinalis in Jintan Region of Jiangsu Province
江苏金坛地区稻纵卷叶螟发生为害动态与防控对策探讨
2.
Occurrence Dynamics and Control Measures of Vegetable Diseases in Tianjin
天津市蔬菜病害发生动态及防治对策
3.
A primary Study on the Dynamics and Damage of Apodemus chevier Milne-Edwards in Sichuan Province
高山姬鼠在四川的发生动态及危害初步研究
4.
Preliminary Study on the Damage and Occurrence Dynamic of Grapholitha molesta in Flat Peach Garden
梨小食心虫在蟠桃园的危害和发生动态初探
5.
Investigation on Insect Pest and Plant Diseases Damaging Apple Trees and Their Dynamics in Tianshui,Gansu
天水苹果病虫害种类及发生动态调查研究
6.
Studies on the Occurrence Dynamics of Diseases and Insect Pests and Their Nonpollutant Control Techniques on Facility Vegetables;
设施蔬菜病虫害发生动态及无公害综合防治技术研究
7.
Studies on Population Dynamics of Main Pests and Their Non-Contaminated Control Technique on Leaf Vegetable in Nanning;
南宁市叶菜主要害虫发生动态及无公害防治技术研究
8.
The population of pests may naturally break out in agricultural ecosystem.
本文分析了资源与柑桔害虫发生的联系,认为在农业生态系统内,害虫必然大发生。
9.
Study on the Species and Dynamics of Pests in Rice Fields in Different Regions of Yunnan Province
云南省三地区稻田有害生物主要种类及其发生动态研究
10.
Fluctuation of Secondary Metabolites of Castanea Henryi(Skan)Rehd.et Wils.Damaged by Dryocosmus Kuriphilus Yasumatus(Hymenoptera:Cynipidae);
栗瘿蜂为害与锥栗次生物质动态变化规律的研究
11.
Investigation on Occurrence Dynamics of Pests Injuring the Dehydrated Vegetable Materials and Analysis of Pesticide Residue in Finished Products in Hexi Area, Gansu;
甘肃河西地区脱水蔬菜原料病虫害发生动态调查及农药残留分析
12.
Occurrence Trends and Control Countermeasures of Main Pear Insect Pests in Middle and Southern Areas of Hebei Province
冀中南地区梨树主要病虫害发生动态及防治对策
13.
These large pools of ammonia are detrimental to seedling growth and are very susceptible to gaseous loss by volatilization before chemical conversion back to the ammonium and nitrate forms.
这些氨的大量存在对幼苗生长产生危害，同时也很容易在转化为铵态氮和硝态氮之前挥发损失。
14.
The Rationality of "Necessary Harm" as Ecological Ethic Norm;
“必要伤害”作为生态伦理规范的合理性
15.
Study on Mutual Coordination between Preservation and Development of Ecological Economic Zone--An Example of Poyang Lake Ecological Economic Zone
生态经济区保护与发展互动协调研究——以鄱阳湖生态经济区为例
16.
Rhizogenesis-a morphogenetic event characterized by the appearance of root-bearing clumps of tissue-occurred.
根系发生--以出现带有成丛组织的根为特点的形态发生活动--产生了。
17.
Accelerate the Development of Ecological Economy Taking Sci-tech Progress as the Power
以科技进步为动力 加快推进生态经济发展
18.
Accelerate the Development of Ecological Economy Taking Sci-tech Progress as the Power;
以科技进步为动力 加快推进生态经济发展