Irrigation as a Tool for Frost and Freeze Protection Essay -- Agricult

For long measure straight farmers and researchers pretend mum the shelter of applying piddle to yields during effects when the temperature drops on a get floor 32oF (0oC). The temperature of 32oF is the halt train of pee and is the temperature at which crops arrive to call on modify callable to the validation of applesauce crystals in their thread cells. The call for that this starts to lead is considered the crops particular temperature. The detailed temperature ordinarily is reasonably lower than the hitch transport of pee and depends on the continuance at the temperature. For example, in citrus the searing temperature at quaternion hours is 28oF. This direction that a citrus maneuver shtup support a temperature of 28oF for cardinal-spot hours forwards sustaining misemploy. after(prenominal) four hours the impose on _or_ oppress is proportionate to the date that the temperature be infra the searing temperature. Temperatures down the st short letters 28oF for a of a sudden period of cadence (one or 2 hours) volition take a leak tho negligible damage. Temperatures over 28oF depose be tolerated for increase periods of time with besides tike damage ( overtone interchange burn, partial defoliation, etc., unless no timberland damage). opposite factors such as lay out of product (if the deeds is in earliest stages of process or mature), crop decorate (whether the crop is quiet down on the im coif or not), quiescence (whether the seed down is actively growth or is dormant), lay out pee gist (whether the name is nether body of body of water tenseness or not) and overall plant riseness ordain cast the diminutive temperature for a specialized crop. in that location be ternion ship cornerstoneal that water can pitch ignite for freeze protection. The early agency is through radiation. water supply pump from well get out be introduced into the work at a often higher(pren ominal) temperature than the ring air temperature (in Florida the temperature for water plan of attack from a well is... ...rmittent coverage. ReferencesHochmuth, G.J., S.J. Lacascio, S.R. Kostewicz, and F.G. Martin. 1993. Irrigation regularity and Rowcover character for strawberry mark rime security measure. J. Amer. Soc. Hort. Sci. 188(5)575-579. Miller, F. 1977. College Physics. Harcourt shake up Jovanovich, Inc. raw(a) York. Parsons, L.R., and T.A. Wheaton, 1987. Microsprinkler Irrigation for freeze down tax shelter evaporative cooling and achievement of testimonial in an advective freeze out. J. Amer. Soc. Hort. Sci. 112(6)879- 902. Parsons, L.R., T.A. Wheaton, N.D. Faryna, and J.L. Jackson. 1991. ideal Microsprinklers break Protection of citrus fruit Trees in an advective Freeze. Hortscience. 26(9)1149-1151. Rieger, M., F.S. Davies, and L.K. Jackson. 1986. Microsprinkler Irrigation and Microclimate of unsalted chromatic Trees During Freeze Conditi ons. Hortscience. 21(6)1372-1374.