(1999). Irrigation in the world--The future will not be like the past. Natural Resources and Development (Vol. 51). Tubingen: Institute of Scientific Co-operation.Wolf P. and R. Hubener. 1999. Irrigation in the World - The Future will not be like the Past. Natural Resources and ...
World agriculture towards 2030/2050: the 2012 revision. Food and Agricultural Organization of the United Nations www.fao.org/economic/esa (FAO, 2012). Felfelani, F., Pokhrel, Y., Guan, K. & Lawrence, D. M. Utilizing SMAP soil moisture data to constrain irrigation in the community land ...
Irrigation is easy in the South because of the abundance of water. 南方多水,利于灌溉. 《现代汉英综合大词典》 Irrigation by electric power is already used in this region. 这个地区已经开始施行电灌农田了. 期刊摘选 An artificial waterway river used for travel , shipping , or irrigation. 用人工水...
Furrow irrigation is the most widely used method of irrigation in the world. The main objective of this study was to investigate the simultaneous managemen... Mohammadi, Adel,Besharat, Sina,Abbasi, Fariborz - 《Agricultural Water Management》 被引量: 0发表: 2019年 Рroductivity of soybean variet...
The changing nature of rural employment. It is estimated that more than 200 million people throughout the world are affected with schistosomiasis. The disease is most prevalent in Africa where it ... CL Beale - 《Studies in Population》 被引量: 36发表: 1980年 Marshalling water resources : a...
Irrigated agriculture accounts for about 20 percent of global croplands and contributes more than 40 percent of food production. China is home to the world's largest irrigated farmland, accounting for over half of the country's arable lands. ...
Irrigation trends in world agriculture. 来自 AGRIS 喜欢 0 阅读量: 51 作者:ME Jensen,WR Rangeley,PJ Dieleman 摘要: The world area of irrigated land has expanded from 94 million ha in 1950 to about 220 million ha in 1984. The annual rate of expansion was 4.1, 3.5 and 2.3% for the ...
Irrigation, in agriculture, the artificial application of water to land. Some land requires irrigation before it can be used for any agricultural production. In other places, irrigation is primarily a means to supplement rainfall and serves to increase p
Given the expected increase in the world's population and the necessity to alleviate human deprivation while maintaining biodiversity and environmental quality, and given the limited availability of appropriate land andwater resources, there is an imperative need to improve the efficiency and ensure the...
The implications for small-scale, gravity-flow canal systems managed by farmers, which constitute 85%of the world's irrigated area, are significant. These implications are explored in an historic and ethnographic analysis of the chain irrigation system of the Orbigo valley of northwestern Spain. ...