Studies on the effect of Integrated Nutrient Management on growth, yield and quality of apple (Malus x domestica Borkh.) cv. Red Delicious
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Date
2016-07
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College of Horticulture, Bharsar Campus, V.C.S.G. Uttarakhand University of Horticulture and Forestry
Abstract
The present investigation “Studies on the effect of Integrated Nutrient Management on
growth, yield and quality of apple (Malus x domestica Borkh.) cv. Red Delicious” was conducted
at Fruit Orchard, Department of Fruit Science, V.C.S.G Uttarakhand University of Horticulture and
Forestry, Bharsar, Uttarakhand during 2014-2015.
The experiment was laid out in Randomized Complete Block Design with seven treatments
and three replications viz., T1 : 75% inorganic fertilizers +25% organic fertilizers (FYM), T2: 75%
inorganic fertilizers + 25% organic fertilizers (vermicompost) , T3: 60% inorganic fertilizers + 40%
organic fertilizers (FYM),T4: 60% inorganic fertilizers + 40% organic fertilizers
(vermicompost),T5: 50% inorganic fertilizers + 50% organic fertilizers (FYM),T6: 50% inorganic
fertilizers + 50% organic fertilizers(vermicompost) and T7: Control (700g N+350g P+700g K).
Based on the results obtained from the present investigations, it was observed that the highest fruit
set, fruit yield and some fruit quality parameters like fruit size, fruit weight and fruit volume were
obtained with the treatment 60% inorganic fertilizers + 40% organic fertilizers (vermicompost).
The tree growth parameters like trunk growth, leaf area and some fruit quality parameters like TSS,
reducing sugars, non reducing sugars and total sugars were obtained highest with 75% inorganic
fertilizers + 25 % organic fertilizers like FYM and vermicompost. Among the soil nutrient status,
the maximum soil pH, N, P and K were obtained with the control treatment (700g N+250g P+700g
K).
Hence, it is concluded that the integrated use of 60% inorganic fertilizers + 40% organic
fertilizers (vermicompost) was found most effective in improving the yield and quality of apple
fruits. The control treatment (700g N+250g P+700g K) was best in terms of improving the soil
nutrient status.
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