Intercropping of Indian mustard (Brassica juncea) with barley (Hordeum vulgare), rocket salad (Eruca sativa) and linseed (Linum usitatissimum) under limited irrigation conditions in reclaimed ravine land of river Yamuna



A field experiment was conducted during the winter season (rabi) of 1990-91 to 1992-93 in reclaimed ravine land
of river Yamuna at Agra to study the effect of intercropping Indian mustard [Brassica juncea (L.) Czemj. & Cosson]
with barley (Hordeum vulgare L.), rocket salad (Eruca sativa Mill.) and linseed (Linum lIsitatissimum L.) on yield,
water-use efficiency, competition indices and monetary returns under limited irrigation conditions. Indian mustardbased
intercropping systems were found more productive than sole cropping of Indian mustard. Indian mustard +
linseed intercropping system recorded the highest Indian mustard equivalent yield (1 995 kg/ha), water-use efficiency
(10.31 kg/ha-mm), land-equivalent ratio (1.63) and monetary returns (Rs 17 982/ha), whereas Indian mustard + barley
intercropping system recorded the lowest yield, water-use efficiency, land-equivalent ratio and retums. Barley and
rocket salad were found dominant and linseed domina,ted as judged by the values of relative crowding coefficient and
aggressivity. The yield of crops progressively increased with !lumber of irrigation and the average increase was 33 and
58% with I and 2 irrigation respectively. However, water-use efficiency decreased by 11% with 1 irrigation and 21 %
with 2 irrigation. The monetary returns increased with increasing levels of irrigation.


intercropping, irrigation, water-use efficiency, relative crowding coefficient, aggressivity, land-equivalent ratio,monetary returns, Indian mustard, barley, rocket salad, taramira, linseed, Brassica juncea, Hordeum vulgare, Ernea sativa, Linum usitatissi

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