Nutrient Saving and Yield Enhancement through Fertigation in Apple-Growing Cold Humid Regions of North-west Himalayas
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Authors
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Anil Sharma, Sarvendra Kumar Shiv Lal, Geetika Malik, O.C. Sharma, J. I. Mir, D.B. Singh, Wasim H. Raja and Sanjay Arora
Keywords:
Fertigation, macronutrient concentration, nutrient accumulation efficiency, yield fertilizer ratioAbstract
In order to identify suitable fertigation techniques to get higher return from fertilizer application in applegrowing
cold humid regions of north-west Himalayas, an experiment with different fertigation treatments
was conducted at ICAR-Central Institute of Temperate Horticulture Farm, Srinagar. As regards yieldfertilizer
ratio (YFR), the results suggested superiority of three fertigation treatments viz. 50% recommended
fertilizer (RF) in one split, 50% RF in two splits and 75% RF in two splits over other treatments with value
of YFR being 16.0, 15.7 and 14.3, respectively. Apple leaves and fruits exhibited highest macronutrient
content with the application of 100% RF dosage in two splits. Results revealed that 25% of the RF could be
saved along with increase in apple fruit yield on applying 75% of the RF in two splits through fertigation.
The maximum apple yield, nutrient accumulation efficiency, macronutrient concentration in leaf and fruits
was also observed in the aforesaid treatment.
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