Results 71 to 80 of about 173,401 (288)

Using the surface energy balance algorithm model to calculate evapotranspiration in Luhun irrigation area

Guan'gai paishui xuebao
【Objective】 Evapotranspiration in terrestrial ecosystems is not only a component of hydrological cycle but also controls plant productivity. Understanding its spatiotemporal variation in a region is hence important for improving its water and agronomic ...
ZHANG Jinping, LI Dubai, LI Xuechun, CUI Yunfei   +3 more
doaj   +1 more source

Actual Evapotranspiration Model Based on the Irrigation Volume of the Maize Fields on Alfisols

Sains Tanah: Journal of Soil Science and Agroclimatology, 2019
Evapotranspiration data are considered important to determine volume and schedule of the irrigation. The purpose of this study is to determine the actual evapotranspiration model based on the volume of the irrigation to obtain an accurate ...
Dwi Priyo Ariyanto, Komariah Komariah, Sumani Sumani, Ilham Setiawan   +3 more
doaj   +1 more source

Vegetation on the move: elevational shifts and greening dynamics across the Himalayan alpine zone

Ecography, EarlyView.
This study investigates alpine ‘vegetation line' (the upper limit of continuous plant community) dynamics in the Himalayan alpine zone (HAZ) over a 24‐year timescale (1999–2022) using maximum NDVI products derived from Landsat series datasets, adjusted for sampling bias using phenological modelling.
Ruolin Leng, Stephan Harrison, Dominic Fawcett, Achyut Tiwari, Mike Harrison, Karen Anderson   +5 more
wiley   +1 more source

Seasonal drivers of plant–soil–microbial community structure and functions in Western Himalayan grasslands, Pakistan

Grassland Research, EarlyView.
Plant species richness was greater in summer in both alpine and subalpine grassland ecosystems. Soil moisture demonstrates significant positive correlations with soil organic carbon and total nitrogen across seasonal periods. Microbial α‐diversity peaks during summer but maintains functional stability across seasons.
Huma Ali, Muhammad Rafiq, Allan Degen, Ben Sparrow, Zhanhuan Shang   +4 more
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

Effect of Deficit Irrigation on Yield and Water Use Efficiency of Maize at Selekleka District, Ethiopia [PDF]

, 2020
Irrigation water availability is diminishing in many areas of the Ethiopian regions, which require many irrigators to consider deficit-irrigation strategy. This study investigated the response of maize (Zea mays L.) to moisture deficit under conventional,
Gebreigziabher, E. T. (Ekubay)
core  

Boreal forest CO2 exchange and evapotranspiration predicted by nine ecosystem process models: Intermodel comparisons and relationships to field measurements [PDF]

, 2001
Nine ecosystem process models were used to predict CO2 and water vapor exchanges by a 150-year-old black spruce forest in central Canada during 1994–1996 to evaluate and improve the models.
Amthor, Jeffrey S, Chen, J M, Clein, Joy S, Frolking, Steve, Goulden, M L, Grant, Robert F, Kimball, John, King, A W, McGuire, A D, Nikolov, Ned T, Potter, Christopher S, Wang, S, Wofsy, Steven C   +12 more
core   +2 more sources

Impact of Irrigation Scheduling on Corn Yield and Water Balance in Sandy Soils of Central Minnesota Using the EPIC Model.

Irrigation and Drainage, EarlyView.
ABSTRACT Efficient irrigation scheduling is critical in sandy soils to achieve optimum yield and maximum net benefit with minimum environmental concerns. The Environmental Policy Integrated Climate (EPIC) model was used to study the impacts of autoirrigation of corn on crop yield and soil water balance during 2019–2021 at −300 and −450 kPa for loamy ...
Muhammad Tahir, Vasudha Sharma, Gurparteet Singh, David J. Mulla   +3 more
wiley   +1 more source

Crop coefficients, growth rates and quality of cool-season turfgrasses [PDF]

, 2015
Determination of crop coefficients (Kc), the ratio between actual (ETa) and reference evapotranspiration (ET0), is necessary to schedule irrigation. Our objective was to determine Kc, turf quality and growth rate under daily irrigation to field capacity (
Allen, Allen, Aronsen, Aronsen, Bigelow, Biran, Bremer, Brown, Carrow, DaCosta, Ebdon, Espevig, Espevig, Feldhake, Feldhake, Feldhake, Fry, Fry, Hughes, Kim, Knox, Orick, Penman, Qian, Richardson, Riley, Riley, Rodríguez-Díaz, Sass, Shearman, Strandberg   +30 more
core   +1 more source

Smart Sensor‐Integrated Lysimeter System for Affordable on‐Farm Crop Water Monitoring and Irrigation Management

Irrigation and Drainage, EarlyView.
ABSTRACT Accurate monitoring of crop water use is critical for precision irrigation, yet conventional lysimeter systems remain too costly and complex for widespread adoption. This study presents the development and field validation of a low‐cost, information and communication technology (ICT)‐enabled weighing lysimeter system that integrates load cells,
Stephen Okwang, Younggu Her, Taeil Jang
wiley   +1 more source