Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 196 Document Number: D08065
Notes:
John L. Woods Collection, Report of a national survey in support of the GreenCOMM Egypt III project supported by the U. S. Agency for International Development in collaboration with the Ministry of Public Works and Water Resources, Egypt. 144 pages. See GreenCOMM Egypt III Project file (Document D08064).
7pgs, Aerial images taken during the growing seasons of 2009, 2011, 2013, 2015, and 2017 were visually inspected for evidence of irrigation. Center pivot irrigation was identified by the characteristic shape of the spans and the curved tracks left by the wheels. The author manually delineated a polygon over each agricultural area where signs of irrigation infrastructure were observed. The result is a map of 2,689 polygons covering 146,662 acres in South Carolina. Compared with the United States Department of Agriculture 2017 Census of Agriculture, the sampling results account for over 69% of total irrigated area and over 98% of area irrigated solely by center pivots. Most center pivots covered from 25 to 75 acres, while the largest center pivot extended over 300 acres. These results are an important contribution to the quantification of water use in South Carolina.
Freeman, David M. (author) and Lowdermilk, Max (author)
Format:
Book chapter
Publication Date:
1985
Published:
International
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C14426
Notes:
Published for the World Bank, Washington, D.C., Chapter 4 in Michael M. Cernea (ed.), Putting people first: sociological variables in rural development. Oxford University Press, New York/London. 430 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 132 Document Number: C20077
Notes:
10 pages; from "Extending Extension; beyond traditional boundaries, methods and ways of thinking", APEN 2003 Forum, Hobart, Tasmania, Australia, November 26-28, 2003
5 PAGES., Released in late 2020, the Center Pivot Fertigation Calculator is designed to help producers make more precise fertilizer applications by assisting in calculating liquid fertilizer flow rate and injection pump settings needed to fertigate through a center pivot irrigation system. The Clemson Drip Fertigation Calculator is designed to help South Carolina vegetable producers make more precise fertilizer applications through drip irrigation systems.
After producers started using the center pivot and drip fertigation calculators, Zack Snipes, assistant program leader for the Clemson Cooperative Extension Service horticulture team and area horticulture agent, noted many were beginning to ask what they should do if using a greenhouse-grade solid fertilizer and putting it into a solution. In response, Rob Last, area horticulture agent, built a spreadsheet that became the basis for the Liquid Fertilizer Solution Calculator.
“We have created a system that provides quick calculations and is really easy to use,” Last said. “Anyone who has questions about these calculators can contact me or Zack and we’ll help them.”
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C21100
Notes:
Pages 89-95 in Innovation and development: policies, concepts and cases for agriculture and forestry in international cooperation. Wissenschaftsverlag Vauk Kiel KG. 212 pages.
