Abstract
A field experiment was conducted in order to evaluate the economics of different genotypes of cotton planted under various planting densities at Agronomic Research Area, University of Agriculture Faisalabad during the summer season in 2013. Sowing was done manually with the help of dibbling method on both sides of the bed in standing water, with bed distance of 75 cm. The crop was sown in May and the experiment comprised of following FH-142, FH-114 at various densities (S1 = 10 cm, S2 = 15 cm, S3 =20 cm, S4 = 25 cm, S5 = 30 cm). Data regarding net field benefit, benefit cost ratio, dominance analysis, and marginal rate of return were collected. The experimental results showed that maximum NFB of (Rs. 222,575), (Rs. 202,483) was achieved in FH-142 and FH-114 when planted at a plant spacing of 20 cm and 15 cm respectively. While the maximum benefit cost ratio (BCR) of 1.76 was found in genotype FH-142 at plant spacing of 20 and 25 cm and FH-114 depicted maximum BCR of 1.62 and 1.61 when planted at plant spacing of 15 and 20 cm, respectively. Dominance analysis of FH-142 planted at 10 and 15 cm while FH-114 at plant spacing of 10, 15 and 20 cm was dominated due to their lower net field benefits as compared to other treatments, while maximum marginal rate of return (1494%, 788%) by planting FH-142, FH-114 was obtained at 30 cm and 25 cm recorded respectively.
Highlights
Cotton being an important cash crop of Pakistan contributes about 60% in the foreign exchange by export of various value added products (Iqbal et al, 2003) [1]
Optimum planting density can contribute in achieving maximum yield of cotton and it varies widely according to cropping system, environmental conditions and cultivars (Halemani and Hallikri, 2002) [3]
Plant spacing has a key role in influencing the growth and yield characteristics of the crop and contributes 22.0% to 32.7% towards cotton yield (Mushtaq et al, 2010) [4]
Summary
Cotton being an important cash crop of Pakistan contributes about 60% in the foreign exchange by export of various value added products (Iqbal et al, 2003) [1]. It plays an important role in economy of the world. It becomes imperative to develop such versatile techniques for planting of cotton that ensure efficient nutrient uptake and minimum mutual shading and inter plant competition To overcome this problem, modern production technology emphasizes the role of proper plant spacing to ensure high productivity of cotton. Keeping in view the importance of cotton crop the present study was undertaken to examine economics of various cotton genotypes which were planted at various planting densities
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