Results 141 to 150 of about 1,776,302 (383)

Assessment of Constraints, Opportunities and Income Impacts Associated with Small‐Scale Irrigation in Zebit, Ethiopia

Irrigation and Drainage, EarlyView.
ABSTRACT Small‐scale irrigation represents a highly effective system designed to enhance production and productivity, mitigate risks associated with rainfall variability and increase the income of rural farm households. This study was conducted to analyse small‐scale irrigation impact on household income and assess the challenges and opportunities in ...
Molla Gessesse, Guesh Zeru, Amare Bitew, Derjew Fentie   +3 more
wiley   +1 more source

Effects of hydrology, watershed size, and agricultural practices on sediment yields in two river basins in Iowa and Mississippi [PDF]

, 2016
Gustavo Henrique Merten, Heather L. Welch, Mark D. Tomer   +2 more
openalex   +1 more source

Concurrent Response of Soybean to Fixed‐ (Full and Limited) and Variable‐Rate Irrigation Management in Three Soil Types: I. Soil Water Dynamics

Irrigation and Drainage, EarlyView.
ABSTRACT This research investigated soybean soil water dynamics under different irrigation levels in three different soil types in the same field concurrently. Treatments imposed in each soil type were: (i) variable‐rate irrigation (VRI), (ii) fixed‐rate full irrigation (FRI‐1″ or FRI‐25.4 mm) and (iii) fixed‐rate limited irrigation (FRI‐0.75″ or FRI ...
S. Irmak, T. A. Hinn, M. S. Kukal, A. T. Mohammed   +3 more
wiley   +1 more source

Investigating the merits of gauge and satellite rainfall data at local scales in Ghana, West Africa

Weather and Climate Extremes, 2020
Recently increased concerns and potential consequences of the limitation in gauge measurements in Africa have heightened the availability of high Spatio-temporal satellite-based rainfall data for various applications.
Winifred Ayinpogbilla Atiah, Gizaw Mengistu Tsidu, Leonard Kofitse Amekudzi   +2 more
doaj  

Potential applications of digital, visible, and infrared data from geostationary environmental satellites [PDF]

An hourly, digital data base from the Visible/Infrared Spin-Scan Radiometer (VISSR) instrument on the GOES-1 and SMS-2 geostationary satellites is described. Several examples of developmental applications of these quantitative digital data are presented.
Dismachek, D. C., Green, R. N., Miller, D. B., Tarpley, J. D., Waters, M. P., III   +4 more
core   +1 more source

DroughtScape- Summer 2010 [PDF]

, 2010
Upcoming Workshops Mild Drought Season Likely to Persist Drought Impacts Intensify in Upper Midwest Visiting Scientists North Carolina Takes Drought Monitor Seriously International Work- Murcia, Spain ...
Smith, Kelly
core   +1 more source

A short history of the phosphorus index and Andrew Sharpley's contributions from inception through development and implementation

Journal of Environmental Quality, EarlyView.
Abstract In the 1980s, growing recognition of agricultural phosphorus (P) sources to surface water eutrophication led to scrutiny of animal feeding operations. In 1990, the USDA‐Natural Resources Conservation Service (NRCS) invited prominent scientists to find a solution. It was at an initial meeting that Dr. Andrew Sharpley suggested that P assessment
Deanna L. Osmond, Peter J. A. Kleinman, Frank Coale, Nathan O. Nelson, Carl H. Bolster, Josh McGrath   +5 more
wiley   +1 more source

A watershed classification approach that looks beyond hydrology: application to a semi-arid, agricultural region in Canada [PDF]

, 2019
Jared D. Wolfe, Kevin Shook, Chris Spence, Colin J. Whitfield   +3 more
openalex   +1 more source

The importance of consensus science to managing phosphorus in the environment: SERA‐17 and the legacy of Andrew Sharpley

Journal of Environmental Quality, EarlyView.
Abstract Phosphorus (P) loss from agricultural systems to surface waters, and ultimately, eutrophication, presents a wicked problem requiring transdisciplinary solutions. The mission of SERA‐17 (Southern Extension and Research Advisory Information Exchange Group‐17) has been to address this problem by developing “Innovative Solutions to Minimize ...
Merrin L. Macrae, Peter J. A. Kleinman, Deanna Osmond, Amy Shober, Nathan Nelson   +4 more
wiley   +1 more source

A review of the development and implementation of the critical source area concept: A reflection of Andrew Sharpley's role in improving water quality

Journal of Environmental Quality, EarlyView.
Abstract Critical source areas (CSAs) are small areas of a field, farm, or catchment that account for most contaminant loss by having both a high contaminant availability and transport potential. Most work on CSAs has focused on phosphorus (P), largely through the work in the 1990s initiated by Dr.
Richard McDowell, Peter J. A. Kleinman, Philip Haygarth, Joshua M. McGrath, Douglas Smith, Louise Heathwaite, Antti Iho, Oscar Schoumans, David Nash   +8 more
wiley   +1 more source