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Franklin Paredes-Trejo, Humberto Barbosa
Pág. 1 - 21
Northeast Brazil (NEB) has recently experienced one of its worst droughts in the last decades, with large losses on rainfed agriculture. Soil moisture is the main variable to monitor agricultural drought. The remote sensing approach for drought monitorin...
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Xin Liu, Bo Zhang, Jia-Yao Zhuang, Cheng Han, Lu Zhai, Wen-Rui Zhao and Jin-Chi Zhang
Canopy transpiration is an important component of evapotranspiration, integrating physical and biological processes within the water and energy cycles of forests. Quercus acutissima and Cunninghamia lanceolata are two important, fast-growing and commerci...
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Somayeh Khanjari Sadati, Stijn Speelman, Mahmood Sabouhi, Mohsen Gitizadeh and Bijan Ghahraman
Growing water scarcity, due to growing populations and varying natural conditions, puts pressure on irrigation systems, which often are the main consumptive water users. Therefore, water resources management to improve the allocation of limited water sup...
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Paulo César Teixeira,José Leonardo Moraes Gonçalves,José Carlos Arthur Junior,Cleci Dezordi
Pág. 47 - 63
A considerable portion of Brazil?s commercial eucalypt plantations is located in areas subjected to periods of water deficit and grown in soils with low natural fertility, particularly poor in potassium. Potassium is influential in controlling water rela...
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Yalin Gao, Jinghai Wang, Yanlin Ma, Minhua Yin, Qiong Jia, Rongrong Tian, Yanxia Kang, Guangping Qi, Chen Wang, Yuanbo Jiang and Haiyan Li
Wolfberry (Lycium barbarum L.) production in arid and semi-arid areas is drastically affected by the low utilization rate of soil and water resources and the irrational application of water and nitrogen fertilizers. Thus, this study explored a high-yield...
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Maria Simas Guerreiro, Eunice Maia de Andrade, Marcos Makeison Moreira de Sousa, José Bandeira Brasil, Jacques Carvalho Ribeiro Filho and Helba Araújo de Queiroz Palácio
Non-rainfall water input to surface soil moisture is essential to ecosystems, especially in dry climates, where a water deficit may persist for several months. Quantifying the impact of water gains by soil moisture at night will help to understand vegeta...
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Daxing Gu, Quan Wang and Dennis Otieno
In arid and semiarid lands, canopy transpiration and its dynamics depend largely on stomatal sensitivity to drought. In this study, the sap flow of a dominant species, Haloxylon ammodendron growing in Central Asian deserts, was monitored using Granier-ty...
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Daxing Gu, Quan Wang, Dennis Otieno
Pág. 1 - 12
In arid and semiarid lands, canopy transpiration and its dynamics depend largely on stomatal sensitivity to drought. In this study, the sap flow of a dominant species, Haloxylon ammodendron growing in Central Asian deserts, was monitored using Granier-ty...
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Luis Giménez, Mário García Petillo, Paula Paredes, Luis Santos Pereira
Pág. 1 - 22
Various maize irrigation treatments including full and deficit irrigation were used to calibrate and validate the soil water balance and irrigation scheduling model SIMDualKc at Paysandú, western Uruguay. The model adopts the dual crop coefficient approa...
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Luis Giménez, Mário García Petillo, Paula Paredes and Luis Santos Pereira
Various maize irrigation treatments including full and deficit irrigation were used to calibrate and validate the soil water balance and irrigation scheduling model SIMDualKc at Paysandú, western Uruguay. The model adopts the dual crop coefficient approa...
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Christian Tulungen and Soni M. Pradhanang
A combination of annual peak water demand due to seasonal population spikes along with small and shallow aquifers has prompted an assessment of the region?s watersheds as operating at a net water deficit. This study uses the Soil and Water Assessment Too...
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Rehab R. S. Ali, Ibrahim N. Nassar, Ahmed Ghallab, Esmat F. Ali, Ahmad I. Alqubaie, Mostafa M. Rady and Ahmed A. M. Awad
Water deficit is one of the major limiting factors of seed crop germination and productivity. Consequently, superabsorbent polymers (SAPs) are among several technologies that enhance water use efficiency, leading to worthy seed germination. The objective...
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Yong Chen, Gary W. Marek, Thomas H. Marek, David K. Brauer, Raghavan Srinivasan
Pág. 1 - 16
In the semi-arid Texas High Plains, the underlying Ogallala Aquifer is experiencing continuing decline due to long-term pumping for irrigation with limited recharge. Accurate simulation of irrigation and other associated water balance components are crit...
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Yong Chen, Gary W. Marek, Thomas H. Marek, David K. Brauer and Raghavan Srinivasan
In the semi-arid Texas High Plains, the underlying Ogallala Aquifer is experiencing continuing decline due to long-term pumping for irrigation with limited recharge. Accurate simulation of irrigation and other associated water balance components are crit...
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Ilan Stavi, Rahamim Shem-Tov, Gidon Ragolsky and Judith Lekach
Recharge playas are prevalent throughout the hyper-arid southern Negev and Arava Valley of Israel. While some of these playas are terminal, others were found to be not absolutely terminal, allowing, under extreme floods, the outlet of water from their be...
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Jan M. Sitterson, Allan A. Andales, Daniel F. Mooney, Maria Cristina Capurro and Joe E. Brummer
Recent Colorado, USA water law provisions allow a portion of irrigation water to be leased between agricultural and other users. Reducing consumptive use (CU) through deficit irrigation while maintaining some crop production could allow farmers to earn r...
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Francis Paola Hernandez Mencia,Fabricio Berton Zanchi,Elfany Reis do Nascimento Lopes
In this paper, the climatic characteristics, and their advantages in the pedological andtopographical aspects of the mesoregion of southern Bahia, Brazil, were evaluated. The study was developed in the territory of the Discovery Coast and Far South, loca...
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Xiaohua Xiang, Xiaoling Wu, Xi Chen, Qifeng Song, Xianwu Xue
Pág. 1 - 15
The understanding of the temporal and spatial dynamics of soil moisture and hydraulic property of soil is crucial to the study of hydrological and ecological processes. The purpose of this study was to derive equations that describe spatial soil water st...
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Hyemin Noh and Jihyun Lee
Vapor pressure deficit (VPD) has been identified as an increasingly important driver of plant functioning, and thus VPD regulation has been widely recognized as having the potential to improve plant growth and productivity. We monitored the trend of the ...
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