Transplanting is the technique of moving of a plant from one location to another. This strategy is commonly practiced to establish crops when conditions are less favourable for direct seeding. Birds and squirrels damage to seedlings of maize is a serious problem resulting in poor crop stand and low yield. Delayed germination and plant growth receives a major setback due to late sowing of maize which reduces grain yield; however, reduction of yield can be compensated by transplantation technique. Transplanting of maize is a strategy that can be used to achieve optimum plant densities, better crop stand and obviously to get optimum yield. It reduces the nutrient requirement and also shortens the growth period of crop that helps farmers to harvest a third crop in intensive cropping system. Transplanted crop produces about 15.44% higher grain yield and can be harvested 10-12 days earlier that of direct seeding crop, so, late maturity high yielding cultivars can be fitted in to available growing season. Though, there are several advantages of transplanted maize, it is not popular in India due to lack of awareness, lacking in proper rational scientific technology and very little information about age of seedling and optimum dose of nutrient. Farmers can be benefitted if proper technology regarding age of seedling, process of transplanting and other cultivation techniques of raising transplanted maize is supplied to them.
An experiment was conducted during Rabi season of 2019-20 with the objective of evaluating the effect of mulching and nutrient management practices on growth, yield and economics of maize (Zea mays L.) at Balindi Research Complex, Bidhan Chandra Krishi Viswavidyalaya, Nadia, West Bengal, India on clay loam soil. The experiment was laid out in Randomized Block Design with nine treatment (T) combinations such as T1- Live mulch (Trifolium alexandrium)+50% recommended dose of fertilizer (RDF) [120:60:40 kg /ha N, P2O5 and K2O], T2- Live Mulch+75% RDF, T3- Live Mulch+100% RDF, T4- Straw Mulch (rice straw)+ 50 % RDF, T5- Straw Mulch+75% RDF, T6- Straw Mulch+100% RDF, T7- No Mulch+50% RDF ,T8- No Mulch+75% RDF and T9- No Mulch+100 % RDF, replicated thrice. Experimental results revealed that different mulching and nutrient levels exerted significant influence on growth, yield, net return and benefit-cost ratio (B:C). Application of straw mulch+100% RDF (T6) resulted in the highest plant height (164.57 cm), grain yield (5.28 tonnes /ha), stover yield (7.65 tonnes/ha) and B: C (2.16), however, treatment T7 recorded the lowest grain and stover yield. So, the integrated application of straw mulch along with 100% RDF could be recommended for better yield and higher profit of Rabi maize. Integration of organic mulch might be useful for long-term soil health benefits for the nutrient exhaustive maize crop.
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