Influence of various tillage and nutrient management options on productivity of Maize
DOI:
https://doi.org/10.59797/ija.v69i2.5444Keywords:
Permanent Raise Bed, Maize, Nutrient Expert, Productivity and TillageAbstract
The experiment was carried out during Kharif season of 2021 in Farm unit 5, IIAST, Integral University, Lucknow, U.P. (India) to study the effect of tillage options and nutrient levels on growth, yield and harvest index of grain maize. The experiment was laid out in a split plot design with two tillage options i.e., Conventional tillage (CT) and Raised beds planting (RBP) as main plots while five nutrient management practices, viz., FP (Farmer practice), ST (State recommendation), STBR (soil test based recommendation), NE (Nutrient expertTM) 6 t/ha and NE 7 t/ha were assigned in sub-plots under split plot design with three replications. The performance of raised bed planting (RBP) were significantly higher plant height (97.2, 203.4, 236.1 and 236.7 cm) at 30, 60, 90 DAS and harvest stage, respectively and leaf area index (2.39, 4.78 and 4.69) at 30, 60 and 90 DAS, respectively and yield attributes viz., cob girth (16.8 cm), grain row/cob (16.2), grain/row (40.6), no. of grain/cob (700.1), grain weight/cob (162.7), grain (7.22 t/ha), stover (11.01 t/ha), cob (9.72 t/ha) and biological yield (20.70 t/ha) being higher than conventional tillage practices. Significantly higher growth parameters yield attributes and yield parameters in maize were influenced by various nutrient management techniques, maximum plant height under NE@7t/ha (202.9, 238.9 and 243.6 cm) at 60, 90 DAS and at harvest stage, leaf area index (2.27, 4.65 and 4.04) at 30, 60 and 90 DAS, respectively and yield attributes viz., cob girth (16.4 cm), grain row/cob (16.6), grain/row (40.8), no. of grain/cob (638.8.1), grain weight/cob (163.0), grain (7.02 t/ha), stover (10.76 t/ha), cob (9.45 t/ha) and biological yield (20.19 t/ha) followed by NE@6t/ha and significantly higher than other treatments. Overall, results revealed that growing maize on permanent raised bed along with NE@7t/ha is a promising option for sustaining the productivity of maize intensively grown in Upper Gangetic Plain of India
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