Economic evaluation of integrated nutrient management in wheat under adequate and limited irrigation supplies

Abhijit Sarma; Harbir Singh; Munu Devi

Indian Journal of Hill Farming 17(1-2): 19-23

2004


ISSN/ISBN: 0970-6429
Accession: 004115860

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Abstract
A field experiment was conducted in Hisar, Haryana, India during the winter season of 2000-2002 to evaluate the economic dose of nutrient through a combination of organic, inorganic and biofertilizer under limited and adequate irrigation supplies using wheat as the test crop. The two irrigation levels were: adequate irrigation (one each at crown root initiation, later tillering, late jointing, flowering, and milk stage); and limited irrigation (one each at crown root initiation and flowering stage). The 10 levels of nutrients include: N0 (no N, control); (N1) 150 kg N/ha; (N2) farmyard manure (FYM) at 10 tonnes/ha; (N3) 187.5 kg N/ha + FYM at 10 tonnes/ha; (N4) Azotobacter; (N5) 112.5 kg N/ha + Azotobacter; (N6) FYM at 10 tonnes/ha + Azotobacter; (N7) 112.5 kg N/ha + FYM at 10 tonnes/ha + Azotobacter; (N8) 150 kg N/ha + FYM at 10 tonnes/ha + Azotobacter; and (N9) 187.5 kg N/ha + FYM at 10 tonnes/ha + Azotobacter. Under adequate irrigation supply, N8 and N9 recorded the highest grain yield. Economic evaluation revealed that N3, N8 and N9 were the most promising compared to the other treatments and recorded high net returns. Under limited irrigation supply, N9 recorded maximum grain yield. Application of 150 kg N/ha recorded the maximum net return per rupee investment. However, this treatment recorded the minimum increase in gross return.