Organic Matter Recycling in Plantation Crops
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Date
2007-02
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Abstract
The plantation crops viz. coconut, arecanut, cocoa, spices, cashewnut, tea, coffee, oilpalm and rubber which are yielding economic produces throughout the year, deplete the soil of its precious nutrient reserve as well. The total nutrient depletion has been worked out to be approximately 149.7, 52.2 and 219.0 thousand tonnes of N, P and K respectively. Barring the economic produce, plantation crops produce large quantities of usufructs/waste/byproduct which can be recycled back to the field, thereby meeting a part of crop nutrient demand. Around 7.5 million tonnes of coir pith, 0.18 million tonnes of coffee husk, 0.43 million tonnes of areca waste and 0.45 million tonnes of cocoa waste are available annually, thereby, accounting for approximately 60.96, 3.45 and 35.38 thousand tonnes of N, P and K per year respectively. Composting is an efficient way of waste management by reducing C:N ratio, bulkiness and increasing nutrient content also. There is ample scope to conserve the available byproducts for sustaining the production in plantation crops. This paper primarily deals with the potential available for organic matter recycling in plantation crops through on-farm waste/byproduct management and its subsequent re-utilization in the form of organic manure.
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J.Plantn.Crops 1996 v-24 i-2 p-71-85