EFFECT OF ZINC AND BORON ON SOIL PROPERTIES, GROWTH, YIELD AND QUALITY OF LITTLE MILLET (Panicum sumatrens L.) UNDER EASTERN DRY ZONE OF KARNATAKA
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Date
2019-08-09
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BANGALORE
Abstract
A field experiment was conducted at ARS, Baljigapade, Chikkaballapur district of
Karnataka in soil which was deficient in DTPA extractable zinc and hot water soluble
boron, to study the effect of zinc and boron on growth and yield of little millet. The
experiment was laid out in Randomised Complete Block Design comprising of fourteen
treatments replicated thrice. The results revealed that significantly higher grain and straw
yield (12.60 and 21.14 q ha-1 respectively), nutrient content and uptake of N, P, K, Ca,
Mg, S, Fe, Mn, Zn, Cu and B, crude protein (9.26 %) and crude fibre (6.57 %) by little
millet was recorded in treatment which received 20 kg N ha-1, 20 kg P2O5 ha-1, 0 kg K2O
ha-1, ZnSO4 @ 7.5 kg ha-1 and Borax @ 5 kg ha-1 combined with application of farm yard
manure at 6.5 t ha-1 as compared to RDF (20:20:0 N: P2O5: K2O kg ha-1). The results of
the present study evidently concluded that the application of 20: 20: 0 kg N: P2O5: K2O
ha-1, ZnSO4 @ 7.5 kg ha-1 and Borax @ 5 kg ha-1 along with FYM at 6.5 t ha-1 under
rainfed condition is beneficial for getting higher yield of little millet as well as higher
benefit cost ratio (2.53) as compared to the RDF (20: 20: 0 kg N: P2O5: K2O ha-1) in zinc
and boron deficient soils of Chikkaballapur district of Karnataka.