Studies on soil and foliar application of zinc on soil properties, growth, Yield and quality of cabbage (Brassica oleracea var. capitata L.)
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Date
2023-01-09
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University of Agricultural Sciences, Bangalore
Abstract
A field experiment entitled “Studies on soil and foliar application of zinc on soil properties, growth, yield and quality of cabbage (Brassica oleracea var. capitata L.)” was conducted in the farmer’s field during rabi, 2021. The experiment was laid out in a randomized complete block design with 10 treatments and 3 replications. The results revealed that application of 7.5 kg of Zn ha-1 through ZnSO4 as soil application + 0.5 per cent Zn through zinc sulphate as foliar spray along with RDF + FYM significantly increased the plant height (38.74 cm), plant spread (73.56 cm in N-S and 70.44 cm in E-W), SPAD reading value (81.62), total soluble solids (7.15 0brix), ascorbic acid (47.32 mg 100 g-1), crude fibre (12.90%) and yield (36.61 t ha-1). Significantly higher zinc content in leaf and head (39.19 and 42.56 mg kg- 1) was recorded at harvest in treatment T10 which received 7.5 kg of Zn ha-1 through ZnSO4 as soil application + 0.5 per cent Zn through zinc sulphate as foliar spray along with RDF and FYM. The zinc uptake recorded was significantly higher (149.74 g ha-1) in treatment which received 7.5 kg of Zn ha-1 through ZnSO4 as soil application + 0.5 per cent Zn through zinc sulphate as foliar spray along with RDF and FYM. Significantly higher zinc content (2.21 mg kg-1) was recorded in T5 (10 kg of Zn ha-1 through ZnSO4 as soil application along with RDF and FYM) in soil after harvest of cabbage.