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: 91-105 共查到农学 Season相关记录123条 . 查询时间(0.125 秒)
This study was conducted to determine annual variations in the below- and above-ground biomass, root/stem, stem, leaf and flower ratios of crested wheatgrass, subalpine brome, sheep fescue, junegrass,...
This research was carried out at the experimental field of Ankara University, Faculty of Agriculture, Department of Field Crops in Turkey in 1997 and 1998. Spring and summer seedings were employed in ...
This study was conducted to determine the effects of early season drought stress on some plant characteristics of 9 sugar beet genotypes in the Khorasan Agricultural and Natural Resource Research Stat...
Compared to full season soybean cropping systems, seed yield reduction is a major concern in double-cropped soybean production systems. This study was conducted at the Research Farm of Mustafa Kemal U...
The tiller emergence in seedling nursery beds and field, and panicle formation in the field were investigated under scattered-planting with seedling dry-raised on plastic trays in double-season rice....
Drip irrigation and computer simulation growth models are potential tools for improving water and N-application strategies to cotton (Gossypium hirsutum L.) in the southeastern USA. Our objectives wer...
Cracking patterns have been investigated in field conditions at three different sites in the Vertisols of the Sudan Gezira. The selected sites differed in particle size distribution with the clay con...
The disc plough and disc harrow were used singly and in combination to produce seedbeds of depths 10, 15, 20, and 25 cm for late season okra (Abelmuscus esculentus) production. During the seedbed prep...
In the paper, the effects of enlargement of hill distance on growth and yield of paddy rice in normal season culture were investigated for the case of 30cm row distance. As the results, no effect on ...
This paper proposes a method to unify the defi nition of the main pollen season based on statistical analysis. For this, an aerobiological study was carried out in Porto region (Portugal), from 2003-2...
WASHINGTON, May 21, 2007 – The U.S. Department of Agriculture today announced that an independent Brookings Institution panel found the USDA Forest Service exercised appropriate and adequate fiscal di...
The effects of season (hot vs. warm) in a tropical humid climate, parity (primiparous vs. multiparous) and breed (Creole: CR, Large White: LW) on rectal temperature (RT) were studied for a total of 22...
04/05/2007,A declaration of emergency setting the 2007 recreational fishing season dates and creel limits for red snapper, z setting the 2007 commercial minimum size limit for red snapper, was issued ...
04/05/2007,The Louisiana Wildlife and Fisheries Commission (LWFC) received and adopted three changes to its notice of intent for 2007-2008 hunting regulations at its regular monthly meeting April 5.
In a field trial carried out in the years 1998 and 1999 on Arrhenatheretum elatioris semi-natural mesotropic grassland, the effects of growth stage and the season on the mineral concentrations in Cera...

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...