Transcription of Irrigation Guide - USDA
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(210-vi-NEH, September 1997)vPart 652 Irrigation GuideIrrigation GuideUnited StatesDepartment ofAgricultureNaturalResourcesConservatio nServiceNationalEngineeringHandbook(210- vi-NEH, September 1997)viPart 652 Irrigation GuideIssued September 1997 The United States Department of Agriculture ( usda ) prohibits discrimina-tion in its programs on the basis of race, color, national origin, sex, religion,age, disability, political beliefs, and marital or familial status. (Not all pro-hibited bases apply to all programs.) Persons with disabilities who requirealternative means for communication of program information (Braille, largeprint, audiotape, etc.) should contact usda s TARGET Center at (202) 720-2600 (voice and TDD).To file a complaint, write the Secretary of Agriculture, Department ofAgriculture, Washington, DC 20250, or call 1-800-245-6340 (voice) or (202)720-1127 (TDD).
Applying water too soon or in excess of crop needs results in inefficient irrigation application. Too often irrigation decisionmakers subscribe to "when in doubt irrigate," rather than scheduling irrigations based on soil moisture monitoring and measured crop need. Another factor leading to inefficient water use is the use-it-or-lose-it perception.
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