Alabama Water Quality Information System

— Choose a Frequently Asked Question (FAQ) —


	1.-		Are pharmaceutical and personal care products (PPCPs) found in soil where reclaimed wastewater has been used for irrigation?


	2.-		Can farm-scale water recovery or reuse systems improve irrigation efficiency?


	3.-		Does genetic engineering in agriculture provide environmental benefits?


	4.-		Does the 2002 Farm Bill (Farm Security and Rural Investment Act) adequately address water resources management concerns?


	5.-		How can land grading (leveling) increase irrigation efficiency and result in water savings?


	6.-		How can overirrigating agricultural lands cause water quality problems?


	7.-		How does conservation tillage aid in water conservation?


	8.-		How does the Environmental Quality Incentives Program (EQIP) actually function?


	9.-		How is most agricultural irrigation water applied to farmland in the United States?


	10.-		How much water is used for crop irrigation per day and per year in the United States?


	11.-		Is the practice of using reclaimed wastewater for irrigation considered to be a safe environmental practice?


	12.-		What are drought tolerant crops and how do they achieve more efficient water use?


	13.-		What are phreatophytes and what can farm producers do to control their impact on crop production systems?


	14.-		What are some common devices used to measure water flow rates?


	15.-		What are the benefits of soil-moisture monitoring for farm irrigation?


	16.-		What are the primary benefits from implementing a crop irrigation schedule?


	17.-		What are the water conservation benefits of variable rate irrigation (VRI) technology?


	18.-		What do the terms evapotranspiration (ET) and irrigation efficiency actually mean?


	19.-		What is dryland farming and how should farmers go about adapting to loss of water for crop irrigation?


	20.-		What is meant by limited or deficit irrigation?


	21.-		What is microirrigation and how is this approach used to meet irrigation water needs?


	22.-		What is the Emergency Conservation Program (ECP) administered by the United States Department of Agriculture (USDA)?


	23.-		What is the Environmental Quality Incentives Program (EQIP)?


	24.-		What is the most efficient way to convey water across the landscape for irrigation?


	25.-		What is variable rate irrigation (VRI)?


	26.-		What land use restrictions are there for Environmental Quality Incentives Program (EQIP) assistance?


	27.-		What percentage of the fresh water resources in the U.S. originate from forested watersheds?


	28.-		What role does soil play in water movement from rainfall or irrigation?


	29.-		What types of open-channel lining materials are commonly used to reduce seepage losses from irrigation ditches and canals?


	30.-		Why are Low Pressure Center Pivot (LPCP) irrigation systems gaining in popularity?

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This website was developed by the ACES Water Quality Team, under the leadership of Dr. James E. Hairston. It is funded, in part, by USDA-CSREES water quality grant support under Section 406 of the Agricultural Research, Extension and Education Reform Act of 1998.