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: 76-90 共查到农学 impact相关记录237条 . 查询时间(0.154 秒)
The report assseses the impact of a selection of natural resource management technologies rolled out in Bangladesh, Indonesia, Vietnam, and the Philippines.
The Republic of Macedonia is in the process of integrating into the European Union (EU) and adjusting its policies through reforms in policy, regulations and institutions. This paper attempts to provi...
Using vertical electrophoresis, a set of 22 biotypes heterogeneous according to their gliadin alleles as well as their low-molecular-weight (LMW) and high-molecular-weight (HMW) glutenin subunits were...
This paper gives an overview of the development of the bamboo shoot sector in Linan over the past eighteen years (1985-2002) and the results of a case study on its effect on poverty alleviation. The l...
Discounted cash flow analysis is one of the standard methods used to value urban forests and trees. It involves calculating today’s value for all benefits and costs attributed to an investment; that i...
This review focuses on the nutritional effects from birth until age at first calving on growth, mammary developmental changes, and first-lactation milk yield in heifer calves. The advancement in the g...
We review chemical ecology literature as it relates to biological control of weeds and discuss how this means of controlling invasive plants could be enhanced by the consideration of several well-esta...
The objective of this research was to quantify the changes of nitrogen (N) and phosphorus (P) balances in Poland and Mississippi (MS), USA. Nutrient balances were calculated as difference between inpu...
The impact of four spacing of cooking banana (CB) within the immature rubber avenues on some soil fertility attributes, maturity rate of rubber trees and dry rubber content (DRC) during the initial si...
Research workers at the Crop Research Institute (CRI) Prague-Ruzyně, Division of Plant Genetics, Breeding and Product Quality, have contributed significantly to the breeding of field and vegetable cro...
A Desertification Impact on Siwa Oasis: Present and Future Challenges.
Two sites (Apomu and Alabata) measuring 10 ha and representing rainforest and savannah agro-ecological zones, respectively in South Western Nigeria were chosen to evaluate the influences of cropping s...
The relationship between tomato production, monthly average temperature and seasonal average temperature in Limpopo province, South Africa during the period of 1971 - 2006 were investigated using stat...
A greenhouse lysimeter study was carried out in Tottori (Japan) during August 2000 to explore the impacts of saline irrigation on water uptake by orange trees. Two lysimeters filled with sandy soil we...
This paper examines the response of soils in degraded land to reforestation in Ilorin region. A total of 16 soil samples were systematically collected from two quadrats of 25 × 25 m in each of refores...

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...