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- Common Poplar in Qinghai Disease and Insect Damage and Control 青海省杨树常见病虫害及其防治
- Test Report for Seed Dressing Agent Effect Upon Economical Characteristic of Colza and Disease and Insect Damage Degree 种衣剂对油菜经济性状及病虫为害程度影响的试验初报
- disease and insect damage 病虫害
- Adopting on-the-spot investigation and data analysis, it was studied that shrubbery disaster that Qilian Mountain for Nature Reserve suffered were global change, man-made destruction, disease and insect, and fire damage. 摘要采取实地调查与资料分析方法,研究了祁连山自然保护区灌木林遭受的灾害主要为全球环境变化、人为破坏、病虫鼠危害及火灾危害4种。
- Yield and Diseased and Insect Damaged Tubers of Spring Potatoes as Influenced by Different Harvest Times 不同采收期对春马铃薯产量、病薯和虫伤薯影响的比较试验
- Correlated Effects of Disease and Insect Resistance and Some Important Economic Characters in Gossypium hirsutum L. 陆地棉抗病虫性和一些重要经济性状之间的相互影响。
- Tan,.J-C 2002. Disease and Insect Pests of Tea Plant. China Agriculture Press, Beijing. 谭济才主编;2002.;茶树病虫防治学北京:中国农业出版社。
- Use spray can spray equality, improve the work efficiency, and effectively control the disease and insect in time. 使用喷药机操作能使喷药均匀,提高效率,且能即使有效的控制的控制病虫害。
- Objective To investigate the disease and insect pest of Amomum villosum and research how making prevention and therapeutical. 目的调查阳春砂病虫害并研究其防治方法。
- The tong-term tune bests of Pinus yunnanensis management lead to bio-diversity decrease, diseases and insect pests damage, genetic degradation, and productivity decline. 摘要长期以来,云南松的纯林经营使得生物多样性降低、林分稳定性变差、遗传品质退化、林分生产力下降,从而导致生态系统功能衰退。
- Concepts,methods and research progresses of the biological controls on weed,disease and insect pest were introduced in this article. 分别对草坪杂草、病害、虫害的生物防治措施的概念、方法、研究进展等做了较为详细的介绍。
- Title: Correlated Effects of Disease and Insect Resistance and Some Important Economic Characters in Gossypium hirsutum L. 关键词:陆地棉;抗病性;抗虫性;经济性状;相关分析
- Jatrohpa curcas L., a multipurpose plant, can be used for medicine, industrial oil, disease and insect pest control and feed exploitation. 小桐子是一种多用途植物,可供药用、工业用油、生物病虫害防治和饲料开发等。
- Filth breeds disease and vermin. 污秽引起疾病和害虫。
- Then, when droughts or outbreaks of diseases and insect pests ravaged crops, famine resulted. 一旦干旱或病虫害暴发,饥荒就随之出现。
- Then,when droughts or outbreaks of diseases and insect pests ravaged crops,famine resulted. 一旦干旱或病虫害暴发,饥荒就随之出现。
- This paper analyzed the effects of some factors on protein contents of high-gluten wheat, which are Nitrogen, Phosphor, Kalium, organic, fertilizer, irrigation, and resistance of disease and insect; and put forward some essential cultivation measures. 笔者分析了氮、磷、钾、有机肥、灌水、病虫防治等因素对强筋小麦蛋白质含量的影响,并提出强筋小麦栽培技术要点。
- Application of Methane Fermenative Residues in Control of Crop Diseases and Insect pests. 沼气发酵残留物防治农作物病虫害的效果分析。
- The key to gain high and stable yield is to select variety, fertilizer scientifically,to deal seed meaningfully,to sow rationally and to protect or treat the disease and insect pest. 其正确选择品种、科学施肥、针对性进行种子处理、合理播种和加强病虫害防治是获得高产稳产的关键。
- The future of bio-control technology of crops diseases and insect pests was prospected. 展望了农作物病虫害生物防治技术的发展前景。