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International Journal of Applied Agricultural & Horticultural Sciences
  • 28 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 6 (4) : July-August 2015 issue
Green Farming Vol. 6 (4) : 700-703 ; July-August, 2015
Yield maximization through integrated agro-techniques on growth, yield and nutrient uptake of pigeonpea (Cajanus cajan (L.) Millsp)
FAKEERAPPA ARABHANVIa1*, K. MURALIb2, MALLAREDDYa3 and HANAMANT M HALLIa4
aDeptt. of Agronomy, bAICRP on Pigeonpea, ZARS, Univ. of Agric. Sci., GKVK, Bangalore - 560 065 (Karnataka)
Designation :  
1,3,4Ph.D. Scholar *(fakeer4694@gmail.com), 2Assoc. Professor
Subject : Agronomy and Crop Production
Paper No. : Combination of P-2569 & P-2570
Total Pages : 4
Received : 28 August 2014
Revised accepted : 13 June 2015
First Page
Citation :

FAKEERAPPA ARABHANVI, K. MURALI, MALLAREDDY and HANAMANT M. HALLI. 2015. Yield maximization through integrated agro-techniques on growth, yield and nutrient uptake of pigeonpea (Cajanus cajan (L.) Millsp). Green Farming Vol. 6 (4) : 700-703 ; July-August, 2015

ABSTRACT
A field experiment was conducted at Gandhi Krishi Vignana Kendra, University of Agricultural Sciences, Bengaluru in red sandy clay loam textured soil during kharif season of 2013 under rainfed condition to evaluate the integrated agro-techniques on growth and yield parameters of medium duration pigeonpea. Among the integrated agro-techniques, the combined application of integrated nutrient management (INM) + integrated weed management (IWM) + integrated pest management (IPM) practices recorded significantly higher growth attributes like, plant height (152.33 cm), number of primary branches (16.63 plant-1), number of secondary branches (11.43 plant-1), leaf area (35.23 dm2 plant-1), leaf area index (1.95) and total dry matter accumulation (173.23 g plant-1) at harvest as compared to other treatments. Similarly significantly higher yield attributes such as number of pods per plant (147.87), pod weight per plant (133.50 g), grain weight per plant (48.97 g), grain yield (1822 kg ha-1) and stalk yield (4087 kg ha-1) was recorded with combined application of INM, IWM and IPM practices as compared to other integrated agro-techniques. Further, the combined application of INM, IWM and IPM practices recorded 41.4 % higher grain yield over farmer's practice. Similarly the combined application of INM, IWM and IPM practices recorded significantly higher nutrient uptake of N (99.00 kg ha-1), P (28.80 kg ha-1), K (56.33 kg ha-1), S (14.10 kg ha-1) and Zn (0.046 ppm) by crops, but statistically it was on par with IWM + IPM practices. Whereas, lower nutrient uptake by crops was in farmer's practice i.e., N (63.01 kg ha-1) P (12.50 kg ha-1) K (29.93 kg ha-1) S (9.50 kg ha-1) and Zn (0.006 ppm).
Key words :
Growth attributes, Integrated agro-techniques, Nutrient uptake, Pigeonpea, Yield maximization.