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Scholarly Journal of Agricultural Science Vol. 4(5), pp. 285-289 May, 2014
Available online at http
:// www.scholarly-journals.com/SJAS
ISSN 2276-7118 © 2014 Scholarly-Journals

Optimizing organic and inorganic fertilizers in rainfed region of Pothwar Pakistan: A case of wheat-sorghum and wheat-mungbean crop rotations

Aqeel Ahmad1, Zammurad Iqbal Ahmed1, Irfan Aziz1* and Hasnain Shah

1Department of Agronomy PMAS-Arid Agriculture University Rawalpindi, Pakistan
2National Agriculture Research Centre (NARC), Social Sciences Division, Islamabad, Pakistan .

Abstract :

The study describes the optimizing organic and inorganic fertilizers recommendations for wheat-sorghum and wheat-mung bean crop rotations under rainfed conditions. Optimization was based on returns to investment based on partial budget analysis using two years (2007-2009) trials data conducted at University Research Farm, PirMehr Ali Shah Arid Agriculture University, Rawalpindi, (Pakistan) under rainfed conditions. Five different treatments including T0 as Control, T1 with farmyard Manure (FYM) at 30 tons ha-1, T2 include NPK at120-80-60 at kg ha-1, T3 using poultry manure at 20 tons ha-1, T4 included compost (Press mud) at 12.5 tons ha-1 and in T5, Inoculation by Phosphorus mobilizing microorganisms at 2.5 packets ha-1 was used only for wheat while, sorghum and mungbean were planted on the residual nutrients. Net benefits for the poultry manure were highest mainly due to high wheat yield and marginal rate of return are also high. The results were also confirmed using residual analysis. The study concludes that cropping sequence tends to be low inputs and risk avoiding technique for fulfillment of subsistence objectives. Economic evaluation with Partial budgeting and profitability comparison was minimum extension to measure or compare different cropping sequences. Farmers could adopt the more economical inputs and technique to get the maximum returns from the market by using partial budget keeping in view the cost of production and net benefits..


Key words: Organic farming, Inorganic fertilizers, cropping sequence

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