نتایج جستجو برای: sustainable irrigation

تعداد نتایج: 164097  

2016
Hanseok Jeong Hakkwan Kim Taeil Jang Andreas N. Angelakis

Climate change and the subsequent change in agricultural conditions increase the vulnerability of agricultural water use. Wastewater reuse is a common practice around the globe and is considered as an alternative water resource in a changing agricultural environment. Due to rapid urbanization, indirect wastewater reuse, which is the type of agricultural wastewater reuse that is predominantly pr...

2015
Jing Huang Changchun Xu Bradley G. Ridoutt Fu Chen Davide Viaggi

Beijing is one of the most water-stressed regions in the world. Reducing agricultural water use has long been the basis of local policy for sustainable water use. In this article, the potential to reduce the life cycle (cradle to gate) water footprints of wheat and maize that contribute to 94% of the local cereal production was assessed. Following ISO 14046, consumptive and degradative water us...

2016
Morne E. Scheepers Henry Jordaan Marc A. Rosen

The Global Water Footprint Standard approach was used to calculate the volumetric blue and green water footprint indicator for lucerne production as important feed for dairy cows in a major lucerne production region in South Africa. The degree of sustainability of water use then was assessed by comparing water use to water availability for the region. The results show a volumetric water footpri...

2015
Liang Cui Yongping Li Guohe Huang Marc A. Rosen

Irrigation water management is crucial for agricultural production and livelihood security in many regions and countries throughout the world. In this study, a two-stage stochastic fractional programming (TSFP) method is developed for planning an agricultural water resources management system under uncertainty. TSFP can provide an effective linkage between conflicting economic benefits and the ...

Journal: :Irrigation & Drainage Systems Engineering 2012

Journal: :Engineering, Technology & Applied Science Research 2019

2016
Hiwot Mekonnen MESFIN

Agriculture is characterized by a growing use of chemicals, such as fertilizers, pesticides and herbicides that are negatively affecting human health and the environment. Despite that, the Ethiopian government promotes the use of those chemicals in an attempt to increase yield and improve farmer’s livelihoods. On the other hand, environmental researchers argue that, equivalent yield can be obta...

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