I. Seasonal fluctuations in quality of well waters, from Mahatma Phule Krishi Vidyapeeth, Central Campus Farm, Rahuri (M.S.) and its vicinity. II- Use of saline water for Jowar (Sorghum vulgare pers.) variety, CSH-4) crop production
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Date
1974
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Mahatma Phule Krishi Vidyapeeth, Rahuri.
Abstract
Good and assured water supply is one of the important
factor for increasing agricultural production. The concen
tration and composition of dissolved constituents in water
determine its quality for irrigation purpose. The quality
of irrigation water is the limiting factor in the irrigation
of many areas in India.
In India, out of total cultivated area of I63.9 million
hectares, only 35 million hectares are under irrigation
(Haigamvala, 1973). Out of the total irrigated area, about
m..** per cent is covered toy canals, 26 per cent toy open wells,
7.7 per cent toy tubewells, 16.87 per cent toy tanks and 8.10
per cent by other sources. The sources of irrigation waters
are different in different parts of India, but all waters con
tain some quantity of soluble salts. Final results of the use
of such waters containing soluble salt is the development of
salinity, alkalinity or both.
In Maharashtra, out of 19.^3 million hectares of gross
area sown, l,h>3 million hectares are under irrigation. The
area irrigated by well waters in Maharashtra is about 57.38
per cent to net irrigated area (1969-70). In Ahmednagar
district out of 1.3242 million hectares of gross area sown,
0.14537 million hectares are under irrigation. Area irrigated
by well waters in the district is about41155.80 hectares and
in Eahuri taluka it is about 8462 hectares.
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