A study on changes of physicochemical properties of plow layer soil and its response of tobacco growth under polyethylene film mulching condition, 1; effect of polyethylene film mulch on changes of soil temperature and soil moisture content in rhizosphere.
1985
Hong S.D. | Lee Y.H. | Kim J.J. | Cho S.J.
Under the field condition mulched by polyethylene film, changes of the soil moisture content and soil temperature due to the meteorological influence, which have had a great effect upon productivity of upland-field crop, was investigated. During the early growth stage from the first part of Apr to the last part of May, soil temperature at 15 cm below the mulched surface of ridge (13:00) was about 5 deg C higher than that of non-mulched plot. 20 days earlier than normal soil temperature reached up to 20 deg C due to the mulching.
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