WATER AND NUTRIENT MANAGEMENT STUDIES IN CABBAGE (Brassica oleracea L. var. capitata)
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Date
1999
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Publisher
University of Agricultural Science, Dharwad
Abstract
"Studies on the effect of irrigation schedules and methods of
irrigation, levels and sources of sulphur, levels of nitrogen and methods
of Azospirillum inocultaion on growth, yield and quality of cabbage cv.
Pride of India were conducted at University of Agricultural Sciences,
Dharwad in red sandy clay loam soils during the rabi seasons of
1997-98 and 1998-99.
Scheduling of irrigation at 1.6 IW/CPE ratio resulted in
significantly highest yield of 34.40 t ha-1, which is 28.76 per cent more
than that obtained with irrigation at 1.0 IW/CPE ratio (25.94 t ha-1).
Furrow method of irrigation has resulted in significant increase in
cabbage head yield (31.28 t ha-1) by 9.21 per cent over alternatively
alternate furrow method (28.40 t ha-1).
Based on the economics of irrigation methods, the quantity of
water saved by irrigating through alternatively alternate furrow method
was 38 per cent compared to furrow method. By utilizing the water
saved, an additional area of 0.61 ha can be irrigated to get an additional
yield of 14.44 t by which an extra income of Rs. 57,760 can be realised
by following alternatively alternate furrow method in place of furrow
method.
Application of sulphur in the form of single super phosphate,
gypsum and elemental sulphur at two levels viz; 20 and 40 kg 3 ha-1
showed a mean increase in cabbage head yield by 9.99 to 26.60 per cent
over control. Based on the economics and other merits of gypsum,
application of S at 40 kg ha-1 in the form of gypsum was found to be
economical for higher productivity.
Inoculation of Azospirillum through soil + seedling dipping
recorded significantly highest yield of cabbage (41.61 t ha-1) which is
33.67 per cent more than that obtained in control (31.13 t ha-1). The
highest B:C ratio of 4.29 was obtained by application of Azospirillum
through soil +seedling dipping along with 100 per cent RDN. Application
of Azospirillum through soil +seedling dipping along with 100 per cent
RDN produced 31.76 per cent higher yield over only RDN (100%) without
Azospirillum."
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No. of references 126