STUDIES ON SOIL AND FOLIAR APPLICATION OF BORON ON SOIL PROPERTIES, GROWTH, YIELD AND QUALITY OF CAULIFLOWER (Brassica oleracea var. botrytis L.)
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Date
2019-08-01
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BANGALORE
Abstract
A field experiment entitled “Studies on soil and foliar application of boron on soil
properties, growth, yield and quality of cauliflower (Brassica oleracea var. botrytis L.)”
was carried out in farmer’s field during Kharif 2018. The experiment was laid out in a
RCBD with nine treatments which were replicated thrice. The results of the experiment
indicated that significantly higher plant height (65.34 cm), number of leaves per plant
(22.40), plant spread in E-W (69.35 cm) and N-S direction (63.14 cm), chlorophyll (58.30
SPAD reading), TSS (6.06 0Brix), ascorbic acid (61.24 mg 100g-1) and curd yield (36.74 t
ha-1) were recorded in treatment which received RDF + FYM + 2.5 kg ha-1 B through borax
as soil application + 0.25 % B through boric acid as foliar application (T9) whereas lowest
plant height (54.84 cm), number of leaves per plant (18.90), plant spread in E-W (63.43
cm) and N-S direction (54.74 cm), chlorophyll (50.30 SPAD reading), TSS (5.04 0Brix),
ascorbic acid (48.14 mg 100g-1) and curd yield (31.18 t ha-1) was recorded in T1 (RDF +
FYM). Higher boron content in cauliflower leaf at one week after foliar spray (48.66 mg
kg-1), at harvest (51.26 mg kg-1) and in curd at harvest (49.45 mg kg-1) were recorded in
T9. Significantly higher boron uptake (179 g ha-1) was recorded in T9 treatment. Available
boron content (1.52 mg kg-1) in soil at harvest was found significantly higher in T5
treatment (RDF + FYM + 5.0 kg ha-1 B through borax as soil application).
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