نتایج جستجو برای: different irrigation regime
تعداد نتایج: 1858019 فیلتر نتایج به سال:
To ensure the optimal water-air balance of plant, agro-reclamation measures are required, including organization irrigation. The advantage drip irrigation is most rational consumption water. realize this advantage, it necessary to calculate rate taking into account dynamics moisture distribution in soil. During irrigation, humidification circuit takes on a semi-elliptical shape. determine geome...
Abstract The deficit irrigation offers water savings potential that is becoming popular in arid and semi-arid regions reducing freshwater use over time. A two-year factorial experiment was conducted to evaluate growth, yield productivity of tomato under the drip furrow method. carried out a split-plot design with as main plot treatments, soil moisture regimes (0, -10, -20, -30 kPa) subplots. Da...
The article presents research based on which the biotechnology of land reclamation in rice crop rotations after fish fallow to improve water and resources efficiency systems is developed. Irrigation regimes’ influence yield grain quality was studied. Vegetation experiments field studies were carried out establish place share fish/rice rotation composition. It established that highest Rapan vari...
The small playa-lakes and other saline wetlands of Monegros, scattered over a dry area with winter cereal monoculture, are threatened by the settlement of new irrigation districts and other kinds of human pressure. Enforcing the protection rules of European Union in these valuable habitats requires, first, their delimitation and monitoring. This article shows how these tasks can be undertaken u...
Loess Plateau is a typical rain-fed farming region, facing the threat of drought. Irrigation method is among the most important factors affecting jujube quality. This study investigated the response of Ziziphus jujuba Mill. cv. Lizao quality to three different irrigation methods (drip-, pipe- and surge spring root irrigation) combining two water levels (20 m(3)/hm(2) and 120 m(3)/hm(2)). The ef...
Regarding the insufficient water resources, developing of cultivars with high tolerance to water deficit can be very effective to optimize water consumption. To identify maize hybrids with higher tolerance to water deficit, 52 single cross hybrids were field evaluated according to a randomized complete block design with three replications in each irrigation regime. The hybrids were produced thr...
Supplemental irrigation under prolonged drought conditions has a key role in providing water for transpiration of rain-fed fig trees. The effect of different times and amounts of supplemental irrigation at different distances from the tree trunk on quantity and quality of Estahban rain-fed fig production was evaluated during two years. A randomized complete block design with four replications o...
Changes in irrigation water-use efficiency are related closely to agricultural development. Clarifying the driving factors of irrigation water-use efficiency change at different agricultural development stages is beneficial for buffering the contradiction between the protection of water resources and massive agricultural water consumption. It also has theoretical and application value when it c...
Precision irrigation in fuzzy control system based on crop water stress acoustic monitoring was designed in the paper. Moreover, conventional double fuzzy control model was found to carry out two work mode, normal irrigation and precision irrigation, which aims to both ensure normal growth of crops and achieve effective water-saving. Since five input signals affect output in different degree, t...
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