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EVAPOTRANSPIRATION AND SOIL MATRIC POTENTIALS USING TENSION IRRIGATIONFerreira, Paulo Afonso, 1938- January 1977 (has links)
No description available.
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Basics of Evaporation and EvapotranspirationBrown, Paul 01 1900 (has links)
Revised. (Originally published: 2000). / 4 pp. / Introduction: Local information on evapotranspiration (ET) is now readily available from on-site weather stations and/or public weather networks to assist turfgrass professionals with irrigation management decisions. Proper utilization of ET information can provide accurate estimates of daily water use and thus can assist irrigation managers with the all important decisions of when to apply water and how much water to apply. The concept of ET can be confusing and often is presented in a highly technical manner. The objective of this and subsequent bulletins in the Turf Irrigation Management Series is to simplify the subject of ET and thereby increase the effective utilization of ET in irrigation management. This bulletin provides some basic background on the related subjects of evaporation and evapotranspiration.
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Converting Reference Evapotranspiration Into Turf Water UseBrown, Paul, Kopec, Dave 02 1900 (has links)
5 pp. / Originally published 2000; revised 2014. / Introduction: Accurate estimates of turf water use are required to effectively manage a turf irrigation system. In Volume I of this series entitled “Basics of Evaporation and Evapotranspiration (ET),” we indicated that actual turf water use (ETt) is rarely measured in the real world. Instead, we use meteorological data and a mathematical model known as the Penman-Monteith Equation to estimate reference evapotranspiration (ETos) — the ET from a tall, cool-season grass that is supplied with adequate water. In the lower elevations of Arizona the ETos value would seem of limited value since we rarely grow turf that is equivalent to the reference surface. However, we get around this problem by adjusting the ETos value to account for differences in turf type, quality and stage of development. This document describes the procedures used to adjust ETos for use on managed turf surfaces in Arizona.
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Sprinkler IrrigationSchwalen, H. C., Frost, K. R. 03 1900 (has links)
This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.
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Sprinkler IrrigationSchwalen, H. C., Frost, K. R. 01 1900 (has links)
This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.
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Prehistoric irrigation systems in ArizonaMiller, Carl Frederick January 1929 (has links)
No description available.
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Ten Steps to a Successful Vegetable GardenDeGomez, Tom, Oebker, Norman F., Call, Robert E. 02 1900 (has links)
Revised; Originally Published: 2008 / 10 pp. / Ten carefully taken steps will produce many enjoyable moments and an abundant harvest of fresh vegetables during much of the year. The ten steps are: 1) Select a good location. 2) Plan your garden layout. 3) Grow recommended varieties. 4) Obtain good seed, plants, equipment and supplies. 5) Prepare and care for the soil properly. 6) Plant your vegetables properly. 7) Irrigate with care. 8) Mulch & cultivate to control weeds. 9) Be prepared for pests and problems. 10) Harvest at peak quality.
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Automated control of trickle irrigation in citrusBusman, John Dwight, 1947- January 1976 (has links)
No description available.
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Effect of wide-bed and alternate furrow irrigation on water use and yield of cottonAbdel-Rahman, Hayder A. January 1977 (has links)
No description available.
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Caryopsis and shoot development of barley (Hordeum vulgare L.) grown under three irrigation regimesRogers, Michael Lawrence, 1951- January 1978 (has links)
No description available.
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