Managing irrigated agriculture to improve water quality
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Managing irrigated agriculture to improve water quality proceedings. by National Conference on Managing Irrigated Agriculture to Improve Water Quality (1972 Colorado State University)

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Published by Graphics Management Corporation in [Washington .
Written in English

Subjects:

  • Irrigation farming -- Congresses.,
  • Water quality management -- Congresses.

Book details:

Edition Notes

ContributionsUnited States. Environmental Protection Agency., Colorado State University.
The Physical Object
Paginationiv, 306 p.
Number of Pages306
ID Numbers
Open LibraryOL14097634M

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The irrigation water in Seyhan Dam has excellent water quality ( ≤ EC ≤ dS m −1, EC = dS m −1). However, electrical conductivity (EC) of Ceyhan River is slightly higher than Seyhan ( ≤ EC ≤ dS m −1, EC = dS m −1). The drainage water flows through open ditches along the downstream areas and finally Cited by: 1. The Food and Agriculture Organization (FAO) predicts a net expansion of irrigated land of some 45 million hectares in 93 developing countries (for a total of million hectares in ) and project that agricultural water withdrawals will increase by approximately 14 percent during to . Irrigated paddy rice (Oryza sativa L.) is a staple food for roughly half of the world’s population. Concerns over water quality have arisen in recent decades, particularly in China, which is the largest rice-producing country in the world and has the most intensive use of nutrients and water in rice production. On the one hand, the poor water quality has constrained the use of water for Cited by: 4. The TSW also met the irrigation water quality criteria: COD of mg L À1, BOD 5 of mg L À1 (Anonymous, ). Based on the agricultural practices in this area, all the treatments were.

Sustainable Agricultural Intensification A reference guide to improve general understanding of the best management practices for the use of water and fertilizers throughout the world to enhance crop production, improve farm profitability and resource efficiency, and reduce. 4 Agricultural Practices and Technologies to Reduce Water Impacts T he challenges of water use and water quality presented in the earlier chapters raise the question, â What are the promising new agricultural practices being developed that might help cut water use and mini- mize pollution associated with the production of biomass?â In fact. Both irrigation water quality and proper irrigation management are critical to successful crop production. The quality of the irrigation water may affect both crop yields and soil physical conditions, even if all other conditions and cultural practices are favorable/optimal. In addition, different crops require different irrigation water qualities. Improve Water Management in Agriculture. flood irrigation to drip irrigation, they can reduce water use by about 20 percent. conservation laws for agricultural water suppliers on the books.

  Agriculture is a major user of ground and surface water in the United States, accounting for approximately 80 percent of the Nation's consumptive water use and over 90 percent in many Western States. Efficient irrigation systems and water management practices can help maintain farm profitability in an era of increasingly limited and more costly water supplies. Water management plays a vital role in the agricultural productivity and agricultural growth. The most of renewable water resources worldwide are being presently utilized for irrigation purposes. However, the average water use efficiency of Irrigation Projects is too low. The ultimate goal of either water or soil amendment with gypsum is an increase in yield or a substantial increase in ease of irrigation management. An effective treatment should improve the water infiltration rate but the improvement must be weighed against the costs to . Source of irrigation water. The vast majority of irrigation water use is pumped directly from a water source — river, creek, channel, drag-line, hole, dam or bore. Irrigation scheduling. Irrigation scheduling is the process by which an irrigator determines the timing and quantity of water .