农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-14 共查到农学 symptoms相关记录14条 . 查询时间(0.189 秒)
The aim of this study was to monitor over two years a farmed mouflon herd for the presence and persistence of Mycobacterium avium subsp. paratuberculosis (MAP) using an IS900 real-time PCR method. Thi...
Phytophthora decline of riparian alder populations has recently become an important problem in many European countries, including the Czech Republic. The causal agent, Phytophthora alni, has spread ...
The level of occurrence of black point, the spectrum of fungal species and damage to wheat seedling vigour associated with it were assessed during 2003 and 2004 in the Slovak Republic. The incidence...
Heavy infestation of pasta by the internally feeding pest Sitophilus oryzae (Coleoptera: Curculionidae) was recorded for the first time under field conditions in the Czech Republic. Symptoms of hidden...
The prevalence of mental symptoms among Finnish farm entrepreneurs in 2004 and 1994 was examined in two cross-sectional studies. The aim was also to examine associations between symptoms and backgroun...
The insecticidal action of pyridalyl at various dosages against S. litura larva was observed. Larvae treated with 100 ng/larva and higher dosages were killed within 6 hr without any conspicuous symp...
Strains of Trichoderma virens that control damping-off of cotton seedlings caused by either Pythium ultimum or Rhizoctonia solani were tested for their ability to induce resistance to Verticillium wil...
The aim of the study was to investigate the correlation between the level of reactivity in conjunctival provocation test and conjunctival symptoms that develop during the pollination season in grass a...
In order to evaluate the impact of physical work exposure on differences in musculoskeletal symptom reported among Swedish farmers and referents, a cross-sectional, population-based cohort study was p...
136 eastern-Polish farming students (51 females and 85 males, aged 16–23 years) underwent clinical examination, skin prick tests with common and farm-specific allergens, total IgE measurement and Phad...
75 farming students (49 males and 26 females aged 16–23 years) underwent dermatological, laryngological and pulmonary examination, skin prick tests with common and farm allergens, Phadiatop and total ...
Medical examinations were performed in a group of 51 Polish farmers heavily exposed to flax dust during harvesting and scutching (threshing) and in a group of 50 healthy urban dwellers not exposed to ...
Medical examinations were performed in a group of 76 Polish farmers heavily exposed to grain dust during harvesting and threshing, and in a group of 63 healthy urban dwellers not exposed to organic du...
This cross sectional study of recycling workers was planned to identify adverse health effects of modern waste handling including recycling of materials from household waste.

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...