Results 291 to 300 of about 3,658,397 (347)

Crop kites: Determining crop-water production functions using crop coefficients and sensitivity indices

Advances in Water Resources, 2016
Abstract The crop-water production function quantitatively evaluates the relationship between seasonal water use and crop yield and is used to evaluate optimal irrigation depth and assess the potential of deficit and supplemental irrigation. A simple and easily applicable methodology to develop crop- and region-specific crop-water production ...
Mikhail Smilovic, Tom Gleeson, Jan Adamowski   +2 more
openaire   +1 more source

Standard single and basal crop coefficients for field crops. Updates and advances to the FAO56 crop water requirements method

Agricultural Water Management, 2021
L. S. Pereira, P. Paredes, D. Hunsaker, R. López-Urrea, Z. M. Shad   +4 more
semanticscholar   +1 more source

Water use efficiency and crop coefficients of dry season oilseed crops

Agricultural Water Management, 2007
Abstract Eastern India receives higher average annual rainfall (1000–2000 mm) but 80% of it occurs within the June–September (rainy season), whereas the winter season (November–March) is dry. Due to a shortage of soil moisture, most rainfed areas of the region remain fallow during the winter season and cultivation (mainly rice) is confined to the ...
Gouranga Kar, Ashwani Kumar, M. Martha
openaire   +1 more source

Wheat Irrigation Management Using Multispectral Crop Coefficients: I. Crop Evapotranspiration Prediction

Transactions of the ASABE, 2007
A method widely used for irrigation management determines crop evapotranspiration (ETc) from reference evapotranspiration (ETo) calculations and estimated crop coefficients. However, standard time-based crop coefficients may fail to represent the actual crop water use, for example, when deviations in weather or agronomic constraints appreciably change ...
null D. J. Hunsaker, null G. J. Fitzgerald, null A. N. French, null T. R. Clarke, null M. J. Ottman, null P. J. Pinter Jr.   +5 more
openaire   +1 more source

Actual evapotranspiration and crop coefficients for tropical lowland rice (Oryza sativa L.) in eastern India

Theoretical and Applied Climatology, 2021
S. Chatterjee, P. Stoy, M. Debnath, A. Nayak, C. K. Swain, R. Tripathi, D. Chatterjee, S. Mahapatra, Ammara Talib, H. Pathak   +9 more
semanticscholar   +1 more source

Climate effect on crop coefficients

2014
Crop coefficient (Kc) values are commonly used by agronomists and engineers to estimate well-watered crop evapotranspiration (ETc) as: Kc=EToKc, where ETo is a measure of evaporative demand that is estimated from weather data collected over a large grass field using the standardized reference evapotranspiration for short canopies (ETo) equation.
R. L. Snyder, E. Guerra, F. Ventura, D. Spano   +3 more
openaire   +1 more source

Estimation of evapotranspiration and single and dual crop coefficients of acai palm in the Eastern Amazon (Brazil) using the Bowen ratio system

Irrigation science, 2021
D. P. Sousa, Thiago Feliph Silva Fernandes, Lucas Belém Tavares, V. Farias, M. V. de Lima, Hildo Nunes, D. Costa, S. Ortega-Farías, P. Souza   +8 more
semanticscholar   +1 more source

Standard single and basal crop coefficients for vegetable crops, an update of FAO56 crop water requirements approach

, 2021
L. S. Pereira, P. Paredes, R. López-Urrea, D. Hunsaker, M. Mota, Z. M. Shad   +5 more
semanticscholar   +1 more source

Changes and determining factors of crop evapotranspiration derived from satellite-based dual crop coefficients in North China Plain

Crop Journal, 2022
Qinghua Tan, Yujie Liu, T. Pan, Xianfang Song, Xiaoyan Li   +4 more
semanticscholar   +1 more source

Updated single and dual crop coefficients for tree and vine fruit crops

, 2021
Giovanni Rallo, T. Paço, P. Paredes, Àngela Puig-Sirera, R. Massai, G. Provenzano, Luis S. Pereira   +6 more
semanticscholar   +1 more source