Abstract
ARSTRACT An experiment was conducted during 1988-1993 on Vertisols to study sustain:~hiltiy olri~iny-season (kharij) cropping systems under rainfed conditons. Grain yield of pearl millet [Pennrsc/re~r glcrrrc~rn~ (L.) Br. remend. Stuntz] (19.64 qha) incressed owing to intercropping with pigeonpea [CU~U~II,~ (I..) Millsp.] cawt (3.58 qha) compared with sole pearl millet (17 68 qha) showing complimentary ellccts. IDeilrl nlillet yield increased by 17.9% under sunflower (Helianthus annuus L.)-pearl millet system coaipi~wd with continous pearl millet and by 32.8% under sunflower-pearl millet + pigeonpea system compnrcd with sorghum [Sorghum bicolor (L.) Moe~ch]Lpearl millet + pigeonpea system. Significantly highcsl monctilry returns (Rs 9.414ha) were obtained from pearl millet + pigeonpea (2 : I ) intercropping in ulrmnt-ycilr cropping. Similarly, sole pearl millet also gave significantly more monetary returns (Rs 6,98O/ha) than rcst of the sole crops. Sustainable valueindex was the highest (0.62) under pearl millet + pigeonpa (2 : I) intcrcropping, followed by sole pearl millet (SVI 0.50), indicating sustainability of these crops during tlic khctrifseason on nledium deep Vertisols ( 3 W 5 cm) of dryland areas.
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