搜索结果: 1-13 共查到“土壤学 efficiency”相关记录13条 . 查询时间(0.14 秒)
Survey of efficiency of erosion and flood control measures at the Němčicky stream
sheet water erosion flood extreme rainfall – runoff events protective measures efficiency complex land use adjustment ERCN
2015/1/30
The article presents the initial part of the research of the efficiency of erosion and flood control measures designed in the experimental basin of the Němčicky stream. A long term observation of...
Evapotranspiration and water-use efficiency of irrigated colored cotton cultivar in semiarid regions
Bowen Ratio Crop Evapotranspiration Irrigation Treatments Seed-Cotton Yield
2013/3/4
Irrigation studies provide a framework for evaluating agricultural production and the water resource management in locations where water is scarce. Field experiments were conducted at Barbalha- CE (no...
Water use efficiency and yield of winter wheat under different irrigation regimes in a semi-arid region
Water Use Efficency Yield Surface and Drip Irrigation
2013/3/4
In irrigation schemes under rotational water supply in semiarid region, the water allocation and irrigation scheduling are often based on a fixed-area proportionate water depth with every irrigation c...
Soil Management Systems Improve Water Use Efficiency of Rainfed Rice in the Semi-Arid Tropics of Southern Lombok,Eastern Indonesia
Evaporation Paddy Precipitation Water requirement
2009/7/24
Rice (Oryza sativa) grown on rainfed Vertisols in the semi-arid tropics of southern Lombok, Eastern Indonesia, is usually flooded in the short wet season, creating a considerable demand for water. How...
Nitrogen and Phosphorus Removal from Wastewater by Useful Plants and the Effect of Shading on the Removal Efficiency
Nitrogen removal Phosphorus removal Shading Solar radiation Wastewater
2009/7/22
Nitrogen and phosphorus removal from wastewater by a ditch planted with several plants, including terrestrial species, was studied. The effects on the removal rate by shading were also examined. Papy...
Productive efficiency of water used for producing the biomass of selected grass species
productive efficiency of water actual evapotranspiration lisymeters grass mixtures
2009/3/31
The study dealt with the evaluation of the productive efficiency of water for selected grass species under different ground water levels and grass mixture species composition. The productive efficien...
Indigenous soil nutrient supply and effects of fertilizer application on yield, N, P and K uptake, recovery and use efficiency of barley in three soils of Teghane, the Northern highlands of Ethiopia
Agronomic efficiency internal nutrient use efficiency maximum accumulation maximum dilution
2009/3/4
So far, application of fertilizer to mitigate problems of nutrient-limited yields in farmers’ fields in the Highlands of Ethiopia has been based on conventional blanket fertilizer recommendation...
Nitrogen and water use efficiency of bhendi（Abelmoschus esculentus L. Moench）as influenced by drip fertigation
Agronomic efficiency irrigation nitrogen pod yield Telangana
2009/2/20
A field study was conducted on a sandy loam soil at Rajendranagar, Hyderabad to investigate the influence of trickle fertigation on yield and resource use efficiency of bhendi during the summer se...
Determining the Efficiency of Forward-Sloped Bench Terraces on Soil Conservation：The Case of the Aydın-Bozdoğan-Alamut Terracing Area
erosion bench terrace soil conservation
2009/1/14
The study was carried out to determine the efficiency of forward-sloped bench terraces on soil conservation in the Aydın- Bozdoğan-Alamut terracing area. For this purpose, the shape specifi...
Estimating the Effect of Controlled Drainage on Soil Salinity and Irrigation Efficiency in the Harran Plain using SaltMod
Controlled drainage SaltMod Discharge rate Root zone salinity
2009/1/8
Soil salinity and water logging, as well as water scarcity, are the most common problems limiting irrigated agriculture crop production in southeast Turkey. Thus, this study was conducted in order to ...
Improving Nutrient Use Efficiency
Fertilizer best management practices BMPs balanced fertilization nitrogen efficiency right rate
2009/1/8
Public interest and awareness of the need for improving nutrient use efficiency is great, but nutrient use efficiency is easily misunderstood. Four indices of nutrient use efficiency are reviewed and ...
EFFICIENCY OF FERTILIZATION AND SOIL CULTIVATION IN CROP ROTATION
crops crops rotation soil cultivation
2010/12/7
The experiment with the crop rotation: winter wheat, pea, corn, spring barley and cow-grass were founded in 2001-2004. We examined the effect of the preceding crop, the soil cultivation and fertilizat...
The Efficiency of Using Saline and Fresh Water Irrigation as Alternating Methods of Irrigation on the Productivity of Foeniculum vulgare Mill Subsp. Vulgare Var. Vulgare under North Sinai Conditions
Foeniculum vulgare Mill., fennel fresh water saline water volatile oil oil constituents
2010/11/9
Irrigation of fennel plant with saline water (3355 ppm) under north Sinai conditions resulted in significant reduction in vegetative and flowering characters, consequently fruit yield/plant. The reduc...