PJB-2020-425
IMPACT OF MULCHING AND PLANT GEOMETRY AND ITS INTERACTIONS ON GROWTH AND YIELD OF RADISH (RAPHANUS SATIVUS L.)
ANURAG MALIK
Abstract
Aim: Since Green Revolution, India’s agricultural production had developed rapidly. But with increasing urbanization, food security emerges as a potential threat to growing population. In India, radish is raised for plants roots and even for seed production & fetch rewarding earnings to farmers. The application of plastic mulches and crop geometry in radish cultivation is one of best conventional strategies which offer better water retention capability and permeability for efficient use of natural resources. Therefore, a field research was conducted with a view to investigating the effect of mulching and plantation geometry on radish seed production. Methodology: Upon replanting the stecklings, the plots are irrigated immediately. Requirements included four separate mulches (M), M1- no mulch, M2- black plastic mulch, M3- silver-black plastic mulch and M4-Crop Residue mulching the main compartment, three column configurations with the same population (L) viz., The suggested one line (L1) is 60 X 30 cm, two line (75+ 45) X 30 cm (L2) and a two line (90+30) X 30 cm (L3). In Split-Split Plot Model, the experiment has been performed in 24 treatments (4x3x2). These treatments have been repeated three times in a 2.40 m x 1.5 m plot holding scale, 3.6 m2. Results: Considerable highest values of plant height at 30, 60 and 90 days after replanting (12.14 cm, 28.03 cm and 41.61 cm respectively) have been captured in black plastic mulch and also two line layout. Minimum number of days to 50 % bolting (93.75) was captured with black plastic mulch in addition to two line layout got the minimum number days (96.93) to 50 % bolting. The total value (21, 13 g, 422, 63 g and 9, 39 q) was captured in the black-plated mulch and two line layout (16, 28 g, 325, 51 g and 7, 23 q) of per plot and per hectare in the case of seed yields, respectively. Interpretation: Black mulch (M2) can be recommended to increase the yield of radish value seeds after multi-location trial and multi-year testing in Himachal Pradesh in combination with two line (75+45) x 30 cm (L2) and triangle (P2) system of plantation.
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