Year: 2016 | Month: April | Volume 9 | Issue 2
Comparative analysis of various organic amendments on tree growth and nut yield of cashew (Anacardium occidentale L.)
Abstract:
An experimentwas carried out on “Comparative analysis of various organic amendments on tree growth and nut yield of Cashew (Anacardium occidentale L.)” var. BPP8 (H 2/16) at Cashew Research Station under AICRP on Cashew,Orissa University of Agriculture and Technology, Bhubaneswar during 2013-14 and 2014-15 adapting randomized block design (RBD) having eight treatments replicated thrice. The treatments wereT1-100 per cent N as FYM, T2 -100 per cent N as FYM + Biofertilizers (Azotobacter + Azospirillum + PSB) 200 g, T3-50 per cent N as FYM + Biofertilizers (200g), T4-100 per cent N as Vermicompost + Biofertilizers (200g), T5- Recycling of organic residue with the addition of 20 per cent cow dung slurry, T6- In situ green manuring to meet 100 per cent N, T7 - 25 per cent N as FYM + recycling of organic residue + in situ green manuring/green leaf manuring + Biofertilizers (200g) and T8- RDF + 10 kg FYM (Control).Biometrical observations on vegetative characters, were recorded during 2013-14 and 2014-15. Application of RDF along with 10 kg FYM recorded maximum value in plant height (5.05 m), canopy spread (7.88 m), production of laterals (26.91) and flowering laterals (22.48) and nut yield (14.06 q/ha). The recommended dose of fertilizer and an addition of 10 kg FYM is most beneficial and economical, but 25 per cent N as FYM, recycling of organic residue, in situ green manuring/green leaf manuring and biofertilizers must be recommended from the view point of environmental sustainability and equity.
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