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Subject: Agronomy × Author: Arjun.Sharma × End date: 2018 × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    Performance of pigeonpea based cropping systems under set-furrow cultivation in vertisols
    (UAS Dharwad, 2009) Arjun.Sharma; M.B.Guled
    Three field experiments were conducted at Agricultural Research Station, Gulbarga on shallow and medium deep black soils during kharif 2005 and 2006 to evaluate “Performance of pigeonpea based cropping systems under set-furrow cultivation in vertisols”. Evaluation of pigeonpea genotypes of different duration for different planting geometry was conducted in medium deep black soil. Significantly higher seed yield was obtained with ICPL-87119 (15.99 q/ha) which was 8 per cent higher than ICP-8863 (15.00 q ha-1) and 20 per cent higher than WRP-1 (13.44 q/ha) and 48 per cent higher than GC-11-39 (10.68 q/ha). The pigeonpea genotype ICPL-87119 sown at 120cm x 15cm recorded significantly higher net returns (Rs. 25,290/ha) and benefit cost ratio (2.69) when compared to ICPL-87119 sown at 90 cm x 20 cm (Rs. 22,868/ha and 2.43, respectively). The genotype ICP-8863 sown at 120 cm x 15 cm recorded a net return of Rs. 22,668 ha-1 and benefit cost ratio (2.40). The short duration genotype GC-11-39 sown at 90 cm x 20 cm recorded a net return of Rs. 14,170/ha and benefit cost ratio 1.69. Intercropped pigeonpea+sesame (1:2) system under set-furrow with application of vermicompost @ 2.5 t/ha recorded significantly higher seed yield (15.58 q/ha) and stalk yield (34.31 q/ha) as compared to flat bed method (12.96 q/ha and 28.76 q/ha, respectively). The intercropped pigeonpea+sesame (1:2) system under set-furrow recorded significantly higher net returns (Rs 34,467/ha) and benefit cost ratio (2.91) over sole crop of pigeonpea (Rs 17,407/ha and 1.85, respectively). Effect of set-furrow cultivation was studied in pigeonpea+greengram intercropping system in medium deep black soil. Intercropped pigeonpea+greengram (1:2) system under set-furrow with application of vermicompost @ 2.5 t/ha recorded significantly higher seed yield (16.85 q/ha) and stalk yield (36.57 q/ha) as compared to flat bed method (13.58 q/ha and 29.60 q/ha, respectively). The intercropped pigeonpea+ greengram (1:2) system with set-furrow recorded significantly higher net returns (Rs 36,916/ha) and benefit cost ratio (3.11) over flat bed method (Rs 29,883/ha and 2.82, respectively).