Crop Coefficient (Kc)
Crop Water Requirement using Single and Dual Crop Coefficient Approach
... of crop coefficients and reference crop evapotranspiration are important for estimating irrigation water requirements of any crop in order to have better irrigation scheduling and water ...the ...
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Determination of Wheat Growth, Crop Coefficient (KC) and Water Stress Coefficient (Ks) under Different Salinity
... well-watered crop is divided by a standard reference ETo (usually grass, but sometimes alfalfa and, most recently, not crop-specific, but only a tall or short ...The crop coefficients representative ...
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Assessment of wheat crop coefficient using remote sensing techniques
... condition, foliage, cover, phenology, and processes related to the fraction of photosynthetically active radiation absorbed by a canopy (Huete et al., 2008; Edward et al., 2008). Tasumi and Allen (2007) reported that ...
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Model for Irrigation Management by Implementing the Two Crop Coefficient Approaches. 1. Computational Strategy and Verification
... soil, crop, climate, and irrigation options are ...adjusted crop coefficient, actual crop evapotranspiration, depth of irrigation, irrigation requirements, irrigation intervals, and time of ...
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A rigorous approach of determining FAO56 dual crop coefficient using soil sensor measurements and inverse modeling techniques
... A rigorous approach of determining FAO56 dual crop coefficient using soil sensor measurements and inverse modeling techniques.. Agricultural Water Management..[r] ...
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Spectral Crop Coefficient Approach for Estimating Daily Crop Water Use
... Its use of operational weather observations the same as used in the standard crop coefficient approach and readily available satellite image data make it easy to apply on a regional scal[r] ...
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Specific adjustment functions for daily crop coefficient in Brazil
... measured crop coefficient values of peanut, sugarcane, bean, corn and ...Estimated crop responses were compared and quatitatively analyzed through linear regression, index "d" of performance, ...
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Evapotranspiration and crop coefficient for potato in organic farming
... It is seen in Table 1 that the value obtained in the field was higher than the one recommended by FAO only during BT-BS phase, which corresponded to the period from June 09th to July 22nd. Until the beginning of this ...
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Producing Chrysanthellum indicum DC. (1836) on organic amended soil in dry-season: crop coefficient Kc and growing stages determination
... The study determined the crop coefficients of Chrysanthellum indicum DC. with several important results. It was found that, at the opposite of current common expectations, it is possible to grow the plant outside ...
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Crop Coefficient of Haricot Bean at Melkassa, Central Rift Valley of Ethiopia
... normal fields and decrease advective effects. Before sowing, all the four lysimeters were made to have the same moisture content. The crop was harvested on March 7, 2005. The row spacing and plant spacing were 40 cm ...
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Analyses of Spring Barley Evapotranspiration Rates Based on Gradient Measurements and Dual Crop Coefficient Model
... At the beginning of the growth of barley evaporation from the soil in principal equals to ET while toward the end of the growing season evaporation represents about one quarter (24%) of cumulative ET. The total ET for ...
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Regressive vegetation cover status in river Kaduna catchment area Kaduna, Nigeria
... and Crop coefficient (KC) which is a dimensionless number (usually between ...(ETc). Kc can be estimated using satellite data through the relation between Kc and Normalize Difference ...
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Temporal Crop Coefficients and Water Productivity of Lettuce (Lactuca sativa L.) Hydroponics In Planthouse
... of crop evapotranspiration is a critical factor for efficient water ...temporal crop coefficients and water productivity of lettuce grown using a floating hydroponic technique in a ...model. Crop ...
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Finding Hibiscus sabdariffa L. crop coefficients Kc under irrigation in Tropical Savannah
... values were found as it follows: initial: 0.3±0.03, development: 1.7±0.14, mid-season: 1.7±0.09and and late- season/harvest: 1.5±0.05 with 95% confidence intervals. The crop coefficient value of 1.7 for the ...
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Irrigation scheduling: a soft adaptor to weather uncertainties and irrigation efficiency improvement initiatives
... places more abstractive pressure on the water resource and potentially deteriorates water quality through a greater number of drainage events. The results of this irrigation and drainage study demonstrated that optimal ...
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Water requirements and single and dual crop coefficients of sugarcane grown in a tropical region, Brazil
... The crop coefficient plays an essential role in various agricultural practices and it has been widely used to es- timate the actual ET in irrigation scheduling [14] (Pereira et ...Empirical crop ...
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Crop Water Requirements in Egypt Using Remote Sensing Techniques
... Vegetation indices (VIs) were first developed in the 1970s to monitor terrestrial landscapes by satellite sen- sors and have been highly successful in assessing vegetation condition, foliage, cover, phenology, and ...
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Water Requirements (Chapter 6)
... in which K, = daily crop coefficient, K„ = daily basal ET crop coefficient, K, = a coefficient dependent upon available soil moisture, and K, = a coef- ficient to allow for increased[r] ...
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Modelling Yield Gap Trends of Maize (Zea mays L ) Production under Soil Fertility Stress for Uasin Gishu Plateau Climate
... growth coefficient (CGC) and its rate of dying off at the end of the growing season controlled by the canopy decline coefficient ...values. crop coefficient for transpiration at full canopy ...
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