Development of Crop Coefficients for Precise Estimation of Evapotranspiration for Mustard in Mid Hill Zone- India
Journal Title: Universal Journal of Environmental Research and Technology - Year 2011, Vol 1, Issue 4
Abstract
Precise estimation of evapotranspiration obtained by multiplying crop coefficient to reference evapotranspiration using readily available climatic data. Penman-Monteith equation is adopted world wide as the most reliable and accurate method for computing reference evapotranspiration. The Food and Agriculture Organization (FAO) presented crop coefficient for estimation of evapotranspiration of different crops based on Penman-Monteith equation. The crop coefficient curves can be developed by plotting the ratios of crop evapotranspiration and reference evapotranspiration with respect to time. The crop coefficient curves were developed for mustard (Brassica juncea) by FAO-56 curve method and modified FAO-56 curve method. The FAO- 56 curve method underestimates mustard evapotranspiration by 16.80 per cent. Therefore, FAO-56 curve method does not appear to predict mustard evapotranspiration accurately. The modified FAO-56 curve method underestimates mustard evapotranspiration only by 8.33 per cent. Therefore, performance of modified FAO-56 curve method was found better than FAO-56 curve method for estimation of mustard evapotranspiration.
Authors and Affiliations
Rohitashw Kumar, Vijay Shankar and Mahesh Kumar
Keywords
Related Articles
- EP ID EP31678
- DOI -
- Views 366
- Downloads 2
Comparison of the Water Quality of Two Aquifers Established in Different Development Zones of Mexico
The rapid growth of urban areas has further affected groundwater quality due to over-exploitation of resources and improper waste disposal practices. The over-exploitation of aquifers, which reduces natural recharge du...
Toxicity Study of Textile Effluent of Udhna, Surat Region (Gujarat) on Wistar Albino Rat
The Sub-acute oral toxicity study was designed and conducted to determine the toxicity profile of Textile Effluent Sample (SR1) when administered by oral route daily for 28 days to wistar albino rat. Effluent sample (S...
Assessment of CO2 Emissions in the Petroleum Refining in Cameroon
CO2 has risen to the top of the list of the energy sector's environmental impacts and petroleum refining in particular, as the source of anthropogenic climate change. CO2 emissions inventory from the petroleum refining...
Evaluation of the Reproductive Potential of Bivoltine Silkworm Hybrids of Bombyx Mori L under High Temperature and High Humidity and High Temperature and Low Humidity Conditions of the Tropics
The challenging task of breeders is to develop silkworm breeds which can produce eggs under prevailing conditions of temperature and humidity. The present study was undertaken to evaluate the reproductive potential of...
Bacterial Lignin Peroxidase: A Tool for Biobleaching and Biodegradation of Industrial Effluents
Lignin, the nature’s plastic is the major pollutant from paper-pulp mill effluent due to its intense unaesthetic brown color, hydrophobicity and poor mechanical properties, tends to be a recalcitrant compound. Textile d...