Effect of different doses of fertilizers on different densities of cashew plantation
2011
Poduval, Mini | N. Yadukumar
Increasing pressure on land owing to diversion of orchard lands to other purposes as well as rising energy and land-costs, together with mounting demand for cashew have made it imperative to achieve higher productivity in cashew too. Therefore, maintenance of optimum population per unit area is most important for getting substantially high yield. Together with that a proper fertilizer recommendation is obviously required to maintain the population with its maximum productivity level. Thus the present study was undertaken with the objective of finding out the response of vegetatively propagated material of cashew to different doses of fertilizers at different plant densities. Considering the individual tree yield it was noticed that the plants under the density of 200 plants/ha supported the maximum yield 5.07 to 5.41 kg/tree at the age of 5years. But when the yield was calculated per unit area basis, highest yield was found with the plant density of 500 plants /ha (19.58 kg/tree) at the third harvest. Maximum Benefit : Cost ratio (2.26) was recorded with application of fertilizer @ 75 kg N + 25 kg P2 O5 + 25 kg K2 O per ha per year under a tree density of 400 plants/ha.
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