Results 61 to 70 of about 23,146 (251)

Simulation of long-term stem diameter variation of Ficus benjamina based on simulated transpiration [PDF]

, 2017
Greenhouse microclimate (light, temperature, relative humidity and CO2) and irrigation are important factors for plant growth, development and quality in ornamental horticulture.
De Pauw, Dirk, Lauriks, Fran, Steppe, Kathy, Van de Put, Hans   +3 more
core   +2 more sources

Accuracy of Potential Evapotranspiration Models in Different Time Scales [PDF]

Revista Brasileira de Meteorologia
Know the precision of potential evapotranspiration models in different agronomic and climatic conditions is useful for irrigated agriculture. Therefore, we aimed to compare 18 methods of estimation of ETP with the Penman-Monteith (FAO-56) method, at ...
Lucas Eduardo de Oliveira Aparecido, Kamila Cunha de Meneses, Guilherme Botega Torsoni, José Reinaldo da Silva Cabral de Moraes, Daniel Zimmermann Mesquita   +4 more
doaj   +2 more sources

Effect of actual vapor pressure on estimating evapotranspiration at Serbia [PDF]

Facta Universitatis. Series: Architecture and Civil Engineering, 2009
Actual vapor pressure (VP) is an important parameter that is used in many evapotranspiration equations. However, vapor pressure is difficult to measure accurately.
Trajković Slaviša, Živković Svetlana
doaj   +1 more source

Reference crop evapotranspiration derived from geo-stationary satellite imagery: a case study for the Fogera flood plain, NW-Ethiopia and the Jordan Valley, Jordan [PDF]

First results are shown of a project aiming to estimate daily values of reference crop evapotranspiration ET0 from geo-stationary satellite imagery. In particular, for Woreta, a site in the Ethiopian highland at an elevation of about 1800 m, we tested a ...
Bruin, H.A.R., de, Enku, N.T., Gieske, A.S.M., Jitan, M.A., Tol, C., van der, Trigo, I.F.   +5 more
core   +1 more source

Desenvolvimento de um sistema de estimativa da evapotranspiração de referência Development of a system of reference evapotranspiration estimation

Revista Brasileira de Engenharia Agrícola e Ambiental, 2005
Neste trabalho, apresenta-se um programa computacional denominado SEVAP (Sistema de Estimativa da Evapotranspiração) com o objetivo de se estimar a evapotranspiração através de oito métodos.
Vicente de P. R. da Silva, Adelgicio F. Belo Filho, Bernardo B. da Silva, João H. B. da C. Campos   +3 more
doaj   +1 more source

Analysis of the Accuracy Comparison of Five Different Models of Valiantzas Equation in the Estimation of Reference Evapotranspiration [PDF]

علوم و مهندسی آبیاری, 2018
Evapotranspiration is one of the most important factors in hydrological cycle. Potential evapotranspiration is used to design in irrigation and drainage networks and hydrological studies (Davis & Dukes, 2010).
Saeid Mehdizadeh, Farshad Khashayi, Javad Behmanesh, Reza Delir Hasan Niya   +3 more
doaj   +1 more source

Features of application of the Penman–Monteith method for conditions of a drip irrigation of the steppe of Ukraine (on example of grain corn)

, 2016
In the article presented the features of application and adaptation of the calculation method for determination of evapotranspiration Penman–Monteith.
Myhailo I. Romashchenko, Andrzej Shatkowski, O. Zhuravlev   +2 more
semanticscholar   +1 more source

Yield, Evapotranspiration, Production Functions, Crop Coefficients, Water Productivity and Soil‐Water Extraction of Three Watermelon Varieties

Irrigation and Drainage, EarlyView.
ABSTRACT While watermelon is an important commodity in the United States and worldwide, some of the fundamental watermelon productivity indices (crop evapotranspiration [ETc], transpiration [Tr], evaporation [E], ET‐yield production functions [ETYPF], basal crop coefficients [Kcb], crop water productivity [CWP], soil‐water extraction [SWE]) have not ...
Suat Irmak
wiley   +1 more source

Towards Water, Food and Energy Security: The Global Challenges and Possible Solutions for a Holistic Vision of Sustainability

Irrigation and Drainage, EarlyView.
ABSTRACT This invited paper gives an overview of the challenges the world is facing and offers a possible solution for water and food security within the holistic integrated concept of the water–energy–food (WEF) nexus. The paper summarizes the experience the author gained through working on various research projects at national and international ...
Ragab Ragab
wiley   +1 more source

ADAPTING THE PENMAN-MONTEITH METHOD TO TRASPLANTED TOMATO CROP IN PRODUCTION CONDITIONS WHEN APPLYING DRIP IRRIGATION

Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", 2018
The relevance of the research. Tomato is considered to be a strategic vegetable crop in Ukraine. This crop is cultivated in a large area covering more than 80 thousand hectares, and the gross annual harvest is more than 1.5 million tons. The largest producer of tomatoes in Ukraine is Agrofusion Company, which grows 600 thousand tons in the area of 5600
Yu. O. Cherevychnyi, V. V. Vasiuta, O. V. Zhuravlov, A. P. Shatkovskiy, M. I. Romashchenko   +4 more
openaire   +3 more sources