>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-7 共查到agricultural productivity相关记录7条 . 查询时间(0.08 秒)
Th e objective of the paper is to quantify the eff ect of the R&D investments on agricultural productivity in the Czech Republic using the co-integration analysis. Th e eff ect of the R&...
Traditional decision support systems based on crop simulation models are normally site-specific. In order to address the effects of spatial variability from one place/region to other of soil conditio...
The prevalence of allergic disease is expected to increase with climate change. Grasses, which have highly allergenic pollen, are widely distributed across the globe. Changes in production and allerge...
This study attempts to examine the empirical relationship between trade and total factor producitvity (TFP) in the agricultural sector using both cross -sectional (across nine agricultural commodities...
An assessment of fertilizer use and other integrated practices was carried out with two hundred farmers selected by stratified random sampling from twenty villages in Kano and Katsina States of Nigeri...
In this study, data collected from 120 rural households located in two distinct socio-cultural locales of Benin was used to assess the impact of 20 development projects on agricultural productivity. A...
This study examined the impact of adverse health on the productivity of farmers in Kainji Lake Basin North Central Nigeria. It made use of Stochastic frontier production model. The technical efficienc...

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...