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Results 1 - 7 from 7 for crop coefficient in 0.225 sec.
The Contribution of Root Accessible Water Tables Towards the Irrigation Requirements of Crops
This, together with observed crop losses caused by waterlogging and increased soil salinity, motivated this investigation. The objectives ... values can be subtracted from the normal irrigation requirements of crops. For the crop coefficient based method of irrigation scheduling however, factors were derived by which the coefficients ...
fwr.org
UC IPM Information about Irrigation of Processing Tomatoes for Tomato
Kc is the crop coefficient and ETo is the reference crop evapotranspiration: ETc = Kc x ETo. The crop coefficient ...
www.ipm.ucdavis.edu
WELL - Resource Centre Network for Water, Sanitation and Environmental Health
Supply = rainfall (mm/year) x area (m2) x runoff coefficient for instance: metal sheet roof of 80m2 : S=800 x ... time for more economic activities; improved health status as excess rainwater used for vegetable and crop growing gives improved diet; less back problems and growth reduction particularly among children and women ...
www.lboro.ac.uk
Groundwater Glossary: The Groundwater Foundation
Drought: An extended period with little or no precipitation; often affects crop production and availability of water supplies. E Erosion: The wearing down or washing away ... the capability of the entire thickness of an aquifer to transmit water. Also known as coefficient of transmissivity. Transpiration: The process by which water absorbed by plants (usually through the roots ...
groundwater.org
Avena sativa
For this type of harvesting, crop must be fully ripe, usually when the straw has lost greenness ... high was 5,230 kg/ha in the Netherlands. The residue coefficient, defined as the ratio of the weight of dry matter of ... apart. Oats should not be followed by another cereal crop, especially rye or oats. Seed crop is taken in second year in temperate regions. ...
www.hort.purdue.edu
Secale cereale
Rye grows rapidly and vigorously from seed, giving a rapid cover crop useful for erosion control or early pasture. Selected varieties are ... production yield was 6,923 kg/ha in Norway. The residue coefficient, defined as the ratio of the weight of dry matter ... for tolerant germplasm. p. 1–61. In: ASA Special Symposium 32, Crop tolerance to suboptimal land conditions. Am. Soc. Agron. Madison, WI. Duke, ...
www.hort.purdue.edu
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EIA Renewable Energy-Geothermal Heat Pump Shipments
The heating efficiency of ground-source and water-source heat pumps is indicated by their coefficient of performance (COP). In 2006, the capacity-weighted average of COP for geothermal heat shipments ... 7). Direct use geothermal energy (e.g., low-temperature water from conventional geothermal sources for crop drying) and energy consumed by GHP both increased in 2006. GHP energy consumption increased ...
www.eia.doe.gov
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