نتایج جستجو برای: demand deficit
تعداد نتایج: 208755 فیلتر نتایج به سال:
To evaluate the effect of water-deficit stress on the yield, antioxidant activity, and physiological traits of four Iranian melon genotypes (“Khatooni,” “Suski-Sabz,” “Zarde-Tabriz,” and “Shiari”), an experiment was conducted. The irrigation levels were: (1) control (100%ETc); (2) deficit irrigation 66% (66%ETc); and (3) deficit irrigation 33% (33%ETc). The results showed that the yield and rel...
Evapotranspiration (ET) is the major component of hydrological cycle, and will affect crop water requirement future planning management resources under changing climate scenarios. In present study, an attempt was made to study sensitivity reference evapotranspiration (ETo) different climatic variables, effect temperature elevated CO2 on ETo using meteorological data (1973-2010) Banaras Hindu Un...
the objective of deficit irrigation is to increase water use efficiency by reducing of water quantity or wave off further irrigations that have not necessary. cotton plant is sensitive to irrigation timing and quantity through different growth stages. the field trail was conducted at hashemabad cotton research station (gorgan) to determine water consumption and cotton sensitivity to deficit irr...
This manuscript presents the analysis of a real distributed generation network considering integration Active Buildings that meet Passivhaus standard criteria at Premium level, as base case model. The novelty aspect presented in this paper is interconnection based on level with National Electricity System (particularly, Mexico’s North Baja California region) to mitigate energy deficit. objectiv...
Analysis of the current state nutrient stocks, flows, and balances a territory is necessary to inform strategies that can transition agri-food sector circular economy model. In this study, we quantified nitrogen phosphorus budgets for Bolivian system at national regional scales by way agro-ecological zoning. We performed calculate indicators sufficiency (extent deficit/surplus) circularity (pro...
We investigate the sensitivity of oxygen content and true utilization key low-oxygen regions Ω to pointwise changes in biological production. To understand how combined water biogenic particle transport controls patterns fate ocean, we develop new relationships that link steady-state deficit downstream upstream rate (OUR), respectively. find amount from will be lost per unit volume at point r i...
theoretical studies as well as observations of iranian economy do not necessarily signify a positive correlation between increasing the exchange rate and the volume of nonoil exporting goods in iran, during 1368-1378. this study confirms researches done by western economists, in countries such as the united states, canada, and etc, which indicate the rate of variations in savings is independent...
A trade war between the United States and China resulted in an increase tariffs on imported goods entering each of these countries. Southeast Asian countries that have relations with two countries, especially terms non-oil gas exports 25% to 35%, will be affected by export demand. Furthermore, effects reduce gross domestic product (GDP) or ASEAN current account deficit. On other hand, led decis...
In both Australia and Swaziland large areas of sugarcane rely on irrigation to produce a viable crop or to improve rainfed productivity. Matching water supply to crop demand is essential for productivity and sustainability in any irrigation scheme. Historically Class-A pan evaporation was used as a basis for determining sugarcane water demand or evapotranspiration (ETc). ETc is now frequently o...
Climate change and fast extension in climatically suboptimal areas threaten the sustainability of rubber tree cultivation. A simple framework based on reduction factors of potential transpiration was tested to evaluate the water constraints on seasonal transpiration in tropical sub-humid climates, according pedoclimatic conditions. We selected a representative, mature stand in a drought-prone a...
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