STUDY OF CHANGES IN SOIL TEMPERATURE AND SOIL MOISTURE REGIMES UNDER DIFFERENT MULCHES A thesis submitted to the MAE ATM A PHULE KRISHI VIDYAPEETH Rahuri-413 722 (Maharashtra) in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE (AGRICULTURE) in AGRICULTURAL METEOROLOGY by VIDYADHAR BHASKAR VAIDYA B.Sc. (Agri.) First Class CENTRE OF ADVANCED STUDIES IN AGRICULTURAL METEOROLOGY [United Nations Development Project] COLLEGE OF AGRICULTURE CAMPUS, Pune 411 005 1991
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Date
1991
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mpkv, rahuri
Abstract
The present investigation to study the changes in soil temperature and
soil moisture regimes under different mulches was conducted by laying out a
field experiment on the College of Agriculture farm, Pune, during the monsoon
season of 1989 and post monsoon season of 1989-90. The treatments consisted
of four different mulches and one control, i.e. fallow, and replicated five times.
The various biological observations such as grain yield, straw yield, plant height,
total dry matter per plant and thousand grain weight of post monsoon sorghum
were recorded at harvest. The dry matter and seed yield of two live mulches,
viz. cowpea, blackgram was also recorded. The micrometeorological observation,
i.e. soil temperature at two depths, viz. 5 and 15 cm at two times, viz. 0730 and
1430 hours were recorded. The soil moisture at the depths of 0-10 cm, 10-20 cm,
20-30 cm was recorded at a weekly interval. The losses of soil moisture was
estimated by following Thorthwaite's method of water budgeting.
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msc
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