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: 1-15 共查到农学 first相关记录132条 . 查询时间(0.125 秒)
This conference will focus on the key scientific issues of sodic soil reclamation, face the theoretical innovation of soil sodificaton and improvement of sodic soil management. It will build a communi...
Eight minor and neglected cultivars of Vitis vinifera L. were characterised according to their ampelographic and agronomic traits and discriminated by molecular analysis with SSR markers. These resul...
 With prices down and weather patterns unpredictable, these are tough times for America’s cotton farmers, but new research led by Z. Jeffrey Chen at The University of Texas at Austin mi...
The first record of vanda thrips (Dichromothrips corbetti [Priesner, 1936], Thysanoptera, Thripidae) in Slovakia is presented. An economically important pest with heavy infestations on flowers of Phal...
The objective of this research was to estimate genetic correlations between number of piglets born alive in the first parity (NBA1), litter birth weight in the first parity (LTBW1), number of piglets ...
During 2014–2015, samples from ten 20–25 years old pine (Pinus ponderosa var. jeffreyi) trees showing wilt symptoms were collected from the Arborétum Mlyňany park. A disease was observed on 20% of the...
In 2015, we recorded the first attack of the great spruce bark beetle, Dendroctonus micans (Kugelann) (Coleoptera: Curculionidae, Scolytinae) on non-native Picea orientalis (L.) and Picea pungens (Eng...
Histological examination of thymi from juvenile Acipenser ruthenus and Acipenser brevirostrum after haematoxylin and eosin staining revealed the presence of Hassall’s corpuscles, in a scattered distri...
Taxocenosis of psocids (Psocoptera) was studied in the territory of the Drahanská vrchovina Hills in the Czech Republic. Representative research plots were selected in forest ecosystems with natural s...
由“动物环境与福利国际研究中心”(IRCAEW, http://www.ircaew.org/)主办的首届“智慧畜牧业国际研讨会”(First Asian Conference on Precision Livestock Farming, PLF-Asia)将于2016年9月9日到11日在北京举行。智慧畜牧业(PLF)集传感器与传感、实时监测与数据分析、信息与决策等多种优势技术为一体,...
The relationship between growth and development of body condition during the rearing of replacement heifers and their subsequent performance in the production period of Holstein cows in the Czech Repu...
Supplementation of bovine colostrum (BC) has shown to improve growth performance, intestinal development, and immune response in early-weaned pigs. Little is known about whether BC may have similar ef...
Silvertop is a serious disease of grasses, and severe infestations cause a great deal of damage every year (particularly to seed producers). Inflorescences of infected plants dry prematurely and are s...
Scaphoideus titanus Ball, the main vector of Flavescence dorée phytoplasma, was monitored in Slovakia during 2013 and 2014. The species was present in the vineyards of eastern Slovakia but it was rare...
Parturient paresis and subclinical hypocalcemia are frequent metabolic disorders in dairy cows postpartum. The aim of this study was to determine the effect of postpartum partial milking in the first ...

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...