Article
Agronomy
Meihan Liu, Haibin Shi, Paula Paredes, Tiago B. Ramos, Liping Dai, Zhuangzhuang Feng, Luis S. Pereira
Summary: Water scarcity and saline stress pose significant threats to water use and agricultural production in arid and semiarid regions. This study conducted field experiments over three growing seasons to monitor the water use of mulched maize under saline water irrigation. The findings demonstrate the accuracy of the SIMDualKc model in simulating crop evapotranspiration, providing guidance for irrigation management.
AGRICULTURAL WATER MANAGEMENT
(2022)
Article
Agronomy
Yongqiang Zhang, Maosheng Ge, Qianwen Zhang, Shaopeng Xue, Fuqiang Wei, Hao Sun
Summary: Irrigation modernization has impacts on irrigation energy consumption and greenhouse gas emissions, leading to improved irrigation water efficiency. A scenario-decomposition-based calculation method was proposed to examine the impact of irrigation system modernization on China's irrigation energy consumption and GHG emissions at national and provincial scales. The data revealed that from 2005 to 2015, the irrigation water volume and energy consumption increased by 7.9% and 22.3%, respectively, reaching a national equivalent of 42.5 Mt CO2e in 2015. Water-energy consumption varied greatly across the country, with significantly higher irrigation energy consumption per unit volume of water and per unit area in northern provinces compared to southern provinces. Promoting water-saving irrigation technology can effectively improve China's irrigation water-energy-GHG emissions structure, enhancing irrigation efficiency without a significant increase in energy consumption. The specific conditions of each region should be considered when promoting water-saving irrigation technologies, with particular attention given to the relationship between irrigation water-energy-GHG emissions in northern provinces.
AGRICULTURAL WATER MANAGEMENT
(2023)
Article
Agronomy
Abdelmalek Temnani, Pablo Berrios, Susana Zapata-Garcia, Alejandro Perez-Pastor
Summary: In a context of severe water scarcity and high uncertainty of available irrigation water, the study aimed to determine the mid-term effect of water restrictions on yield and quality of flat peaches. Two treatments were tested: control (CTL) and regulated deficit irrigation (RDI). The RDI treatment resulted in water savings of 33.6% and an increase in irrigation water productivity of 45%.
AGRICULTURAL WATER MANAGEMENT
(2023)
Article
Agricultural Engineering
Jonathan Page, Sofiane Amziane, Moussa Gomina, Chafika Djelal, Fabrice Audonnet
Summary: Studies have shown that coating flax fibers with linseed oil can significantly improve the workability and flexural strength of cementitious composites, while slightly enhancing thermal insulation properties.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Engineering, Chemical
Valeria Lima, Pierre Le-Clech, Claudia Keitel, Bruce Sutton, Gregory Leslie
Summary: The study demonstrates that subsurface membrane irrigation can effectively cultivate common bean seedlings using brackish water under different climatic conditions, improving water uptake and yield potential of bean crops.
Article
Agronomy
Angela Puig-Sirera, Giuseppe Provenzano, Pablo Gonzalez-Altozano, Diego S. Intrigliolo, Giovanni Rallo
Summary: Understanding crop response to soil water deficit is crucial for predicting crop water requirements and irrigation timing. The study demonstrated that plant leaf water potential is affected by soil water content, and the water stress integral can serve as a good indicator of plant water relationship.
AGRICULTURAL WATER MANAGEMENT
(2021)
Article
Agronomy
Marwa M. M. Abdelbaset, Osama M. M. Dewedar, Ebtessam A. A. Youssef, Jose Miguel Molina-Martinez, Ahmed F. F. El-Shafie
Summary: Water security is crucial due to increased food demand and limited water resources. This study investigated the use of geotextile layers at different depths under various irrigation levels to improve water use efficiency and crop productivity of lettuce. The results showed that using geotextile layers at 20 and 30 cm depths significantly improved irrigation application efficiency and soil water content. The geotextile layer at a 30 cm depth under 100% ETc irrigation was the most effective treatment, significantly increasing vegetative growth characteristics and yield.
Article
Agronomy
Rupinder Sandhu, Suat Irmak
Summary: This research investigates the dynamic relationships between soybean yield, crop evapotranspiration (ETc), crop water productivity (CWP) and irrigation water applied, seeding rate, and irrigation vs. ETc relationships. The results show that seeding rate does not have a clear impact on soil-water depletion. The highest yield is observed with a seeding rate of 308,750 seeds ha-1 under 75% FIT and FIT conditions, and there is no further increase in yield beyond this rate. Irrigation levels have a greater effect on ETc than seeding rates, and ETc exhibits a linear response to irrigation. For every 25.4 mm increase in irrigation application, ETc can increase between 5.8 mm and 17.3 mm. Therefore, further long-term research is important to explore the potential differences in various factors under different conditions.
AGRICULTURAL WATER MANAGEMENT
(2022)
Review
Green & Sustainable Science & Technology
Juliet Angom, P. K. Viswanathan
Summary: This article explores how irrigation technologies can help India and Africa overcome water security challenges. The study finds that both regions have untapped irrigation potential, but face challenges such as cultural and land tenure issues, limited access to irrigation technologies and credit services, and overreliance on government support. However, there are opportunities for smallholder irrigation expansion.
Article
Agronomy
Mishari A. Alnaim, Magdy S. Mohamed, Maged Mohammed, Muhammad Munir
Summary: This study evaluated the effects of three modern surface and subsurface micro-irrigation systems on yield and fruit quality of date palms in a dryland region, with SSDI at 75% IWR showing optimal results. Additionally, water productivity was highest in the SSDI system at 50% IWR, indicating its efficiency in water conservation.
Article
Agriculture, Multidisciplinary
Noa Ohana-Levi, Igor Zachs, Nave Hagag, Liyam Shemesh, Yishai Netzer
Summary: This research aimed to create a water stress estimation model for wine grapevines based on data fusion from multiple sensors. The validation results showed that the model has a high accuracy in estimating vine water status.
COMPUTERS AND ELECTRONICS IN AGRICULTURE
(2022)
Article
Environmental Sciences
Margarita Parra, David Hortelano, Francisco Garcia-Sanchez, Diego S. Intrigliolo, Jose S. Rubio-Asensio
Summary: The study in southeastern Spain found that increasing the number of emitters or wetted area had some slight positive effects on tree performance in two young woody perennial crops. However, the impact on fruit yield was not significant.
Article
Green & Sustainable Science & Technology
A. W. Siyal, P. W. Gerbens-Leenes, S. Nonhebel
Summary: This study compares the energy and carbon footprints of irrigation water provided by gravity-fed irrigation networks and groundwater pumping systems. Groundwater, while only contributing 6% to total irrigation water supply in the lower Indus basin, dominates energy use and CO2 emissions. Shifting from groundwater pumping to properly maintaining gravity-fed canal systems can decrease energy use and CO2 emissions, while increasing surface water availability.
JOURNAL OF CLEANER PRODUCTION
(2021)
Review
Agronomy
Gilbert Noun, Mauro Lo Cascio, Donatella Spano, Serena Marras, Costantino Sirca
Summary: Global climate change threatens the environment, exacerbated by poor water management in agriculture. Plant-based approaches have proven to be effective in estimating plant water status and can be used to save water in irrigation scheduling. This work reviews plant-based methods for monitoring plant water status and surveys publications on water status assessment in fruit and nut tree crops in a Mediterranean climate.
Article
Agronomy
Rong Wang, Guanhua Huang, Xu Xu, Dongyang Ren, Jiachao Gou, Zhangsheng Wu
Summary: Understanding the agro-hydrological processes and water productivity of different irrigation systems is crucial for agricultural water management in arid regions. This study evaluated the agro-hydrological processes and assessed water productivity under canal- and well-irrigated systems using a distributed simulation model. The results showed significant differences in water productivity and hydrological processes between these two systems, suggesting the importance of proper irrigation management and salinity control in arid areas.
AGRICULTURAL WATER MANAGEMENT
(2022)
Review
Environmental Sciences
Jackie R. Webb, Tim J. Clough, Wendy C. Quayle
Summary: The study examines the role of artificial water bodies as indirect sources of agricultural N2O emissions, highlighting their different responses to N loading and the issue of overestimation in the current IPCC EF model. It calls for more extensive research on N processing in artificial waters and the inclusion of these systems in global N2O budgets.
ENVIRONMENTAL RESEARCH LETTERS
(2021)
Article
Ecology
James Brinkhoff, Gillian Backhouse, Manu E. Saunders, Deborah S. Bower, John T. Hunter
Summary: Understanding the distribution and composition of wetlands is crucial for management decisions. Remote sensing techniques for assessing wetland inundation are challenging and require on-ground validation. Our research focuses on threatened upland lagoons in New South Wales, Australia and develops locally trained algorithms to predict water extent and vegetation using satellite imagery. The results fill knowledge gaps, demonstrate the variability of water regimes and vegetation changes over a 32-year period, and provide valuable insights for wetland conservation.
Article
Agronomy
Carlos Ballester, John Hornbuckle, Thavone Inthavong, Vanndy Lim, Jeffrey McCormick, Anika Molesworth, Chantha Oeurng, Wendy Quayle, Vang Seng, Pheng Sengxua, Vorachith Sihathep, Veasna Touch, Camilla Vote, Philip Eberbach
Summary: Improving water availability for peanuts can be achieved by narrowing beds, while higher yields and water productivity can be achieved with sprinkler irrigation for maize. Organic amendments, especially those combining biochar and cow manure, have a positive impact on maize production, but not on peanut production.
Article
Plant Sciences
Rodrigo Filev Maia, Carlos Ballester Lurbe, John Hornbuckle
Summary: There is a growing interest in using the Internet of Things (IoT) in agriculture to acquire data for more efficient farm management. This study analyzed sensor data to identify the relationship between soil matric potential and crop evapotranspiration in cotton fields. Machine learning models were used to accurately estimate soil moisture from satellite data. The findings have promising applications in irrigation-decision systems.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Agronomy
Carlos Ballester, Eduardo Badal, Luis Bonet, Luca Testi, Diego S. Intrigliolo
Summary: This study investigated the transpiration coefficients and the influence of environmental factors on persimmon trees under Mediterranean climatic conditions. The results showed that persimmon trees exhibit low stomatal regulation in response to air dryness. The information obtained can be used to develop specific water use models for persimmon trees and optimize irrigation scheduling decisions.
AGRICULTURAL WATER MANAGEMENT
(2022)
Article
Agronomy
James Brinkhoff, Rasmus Houborg, Brian W. Dunn
Summary: This study developed models using Sentinel-2 and Planet Fusion data to accurately predict the date when rice fields were ponded. Logistic regression models with time-series features achieved low mean absolute errors in predicting the ponding date.
AGRICULTURAL WATER MANAGEMENT
(2022)
Article
Agronomy
Rakesh Awale, John W. Hornbuckle, Wendy C. Quayle
Summary: Abundant poultry litter (PL) could be a viable alternative P nutrition source for irrigated cotton in the Riverina, NSW, Australia. The study showed that PL applications did not significantly affect crop P uptake, P use efficiency, and lint yield compared to mono-ammonium phosphate (MAP) fertilizer. Soil P availability remained high during the crop-growing season, and there were changes in P fractions over time with PL treatments. The 15 Mg PL ha(-1) treatment improved soil conditions and could substitute for commercial MAP fertilizer for P maintenance in high-yielding cotton.
Article
Soil Science
Jackie R. Webb, Rakesh Awale, Wendy C. Quayle
Summary: Limited research has been done on the impact of poultry litter on urea-nitrogen recovery in irrigated cropping systems. This study found that poultry litter had multiple benefits on soil and plant nitrogen, but did not significantly improve fertilizer uptake and recovery. The use of poultry litter increased total nitrogen recovery and plant uptake compared to urea-only treatments. However, most of the nitrogen in the crop came from soil and litter reserves, rather than current-season urea.
NUTRIENT CYCLING IN AGROECOSYSTEMS
(2023)
Article
Environmental Sciences
Muhammad Moshiur Rahman, Andrew Robson, James Brinkhoff
Summary: Accurate monitoring of avocado crop phenology is crucial for optimizing farm management, improving productivity, and evaluating resilience to extreme weather and climate change. This study used remote sensing data to monitor avocado orchards in Australia from 2017 to 2021 and found significant differences between different phenological stages, as well as seasonal trends.
Article
Agronomy
Matthew Champness, Carlos Ballester, John Hornbuckle
Summary: Declining water availability is leading rice growers to adopt water-saving irrigation practices like aerobic rice in order to maintain profitability per megalitre of water input. This study aimed to investigate the effect of increasing soil moisture deficit during the rice vegetative period in a temperate Australian environment. The research found that extending soil moisture deficit beyond 15 kPa significantly delayed panicle initiation and reduced yield, but sound water productivity can still be achieved with aerobic rice cultivation in temperate climates.
Article
Environmental Sciences
Benjamin Adjah Torgbor, Muhammad Moshiur Rahman, James Brinkhoff, Priyakant Sinha, Andrew Robson
Summary: Accurate pre-harvest yield forecasting of mango is essential to optimize productivity and reduce food waste. Current methods are time inefficient and labor intensive, while technological solutions are costly and limited in availability. This study presents a time series-based remote sensing method using freely available satellite imagery, showing promising results for predicting mango yields. The method eliminates the need for infield calibration and provides early predictions. Rating: 8 out of 10.
Article
Agronomy
Matthew Champness, Carlos Ballester, John Hornbuckle
Summary: A predictive model was built to assist in forecasting panicle initiation (PI) of aerobic rice based on irrigation timing. The model can be used as a decision support tool to help researchers and growers schedule irrigation to ensure timely PI, thus increasing the likelihood of high-yielding aerobic rice and enhancing water-saving cultivation.
Proceedings Paper
Geosciences, Multidisciplinary
James Brinkhoff
Summary: This study developed a series of maps for all irrigated rice fields in New South Wales, Australia using remote sensing data and classification models. These maps can assist growers in estimating production, planning logistics, marketing, and providing agronomic recommendations. The results of the study demonstrate that the method is highly accurate.
2022 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2022)
(2022)
Article
Horticulture
Benjamin Adjah Torgbor, Muhammad Moshiur Rahman, Andrew Robson, James Brinkhoff, Azeem Khan
Summary: The study examines the use of remote sensing technology in monitoring and identifying the phenological stages of mango. By analyzing time series vegetation indices data, the researchers were able to differentiate the stages of mango growth. The findings provide valuable insights for the commercial mango industry in monitoring and benchmarking orchard performance.
Article
Agronomy
Jiaxin Sun, Yanli Yang, Peng Qi, Guangxin Zhang, Yao Wu
Summary: The optimal allocation of agricultural water and land resources is crucial for farmers' economic benefits, carbon sequestration, and water resource conservation. This study developed a novel water-carbon-economy coupling model and applied it to a real farm, demonstrating its effectiveness in achieving the optimal allocation of water and land resources. The model balances economic, environmental, and social benefits.
AGRICULTURAL WATER MANAGEMENT
(2024)