Effect of integrated nutrient management on growth, yield and quality attributes in turmeric (Curcuma longa L.)
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Date
2019
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CCSHAU
Abstract
The present experimental study was conducted to study the effect of integrated nutrient management on growth, yield and quality attributes in turmeric (Curcuma longa L.) at Research Farm of the Department of Vegetable Science, Regional Research Station, Karnal during summer season of 2018-19 in Split-Plot Design. The findings showed that the application of 100% RDF (100:50:50 NPK kg/ha) resulted in the highest performance on germination percentage (87.78%), plant height on 60, 90, 120 and 150 DAP (16.58, 24.93, 34.41 and 34.85 cm, respectively), root dry weight (55.35 g) and shoot dry weight (15.34 g) as compared to other fertilizer levels. Among organic manures, vermicompost at 10 t/ha resulted in the highest performance on germination percentage (81.38%), plant height on 60, 90, 120 and 150 DAP (15.78, 24.61, 33.43 and 33.82 cm, respectively) and root dry weight (49.09 g).
For yield attributes, integrated application of vermicompost at 10 t/ha with 100% RDF (100:50:50 NPK kg/ha) was observed best and showed the highest value for number and weight of primary and secondary rhizomes per plant closely followed by the treatment FYM at 20 t/ha with 100% RDF (100:50:50 NPK kg/ha). Yield per hectare (177.92 q) was maximum in the treatment FYM at 20 t/ha with 100% RDF (100:50:50 NPK kg/ha) closely followed by the treatment FYM at 20 t/ha with 75% RDF at 75:37.5:37.5 NPK kg/ha (171.56 q) and vermicompost at 10 t/ha in combination with 100% RDF at 100:50:50 NPK kg/ha (169.10 q).The highest values for quality attributes, viz.,dry weight of rhizomes, moisture content and curing percentage were registered with the fertilizer dose of 100% RDF at 100:50:50 NPK kg/ha closely followed by 75% RDF at 75:37.5:37.5 NPK kg/ha. Significantly better rhizomes quality in turmeric crop was observed for the application of FYM at 20 t/ha.
The highest net income (Rs. 1,71,436/ha) was achieved from the treatment FYM at 20 t/ha with 100% RDF at 100:50:50 NPK kg/ha, while the maximum benefit to cost ratio (1.78) was recorded with vermicompost at 5 t/ha with 100% RDF at 100:50:50 NPK kg/ha.
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