Benefits of drip irrigation and constraints in drip irrigation adoption in Dharwad district of Northern Karnataka.

摘要

The study was conducted in Dharwad district of Northern Karnataka to assess the benefits of drip irrigation and constraints in drip irrigation adoption revealed that, the increase in fruit yield in drip irrigation over surface method of irrigation was 29.48, 29.37 and 31.30% in small, medium and large farmers respectively. The water saved in drip irrigation over surface method of irrigation was 46.32, 43.12 and 45.48% in small, medium and large farmers respectively. The decrease in expenditure on irrigation in drip over surface method was 39.80, 35.28 and 33.25% in small, medium and large farmers respectively. The decrease in expenditure on weed control in drip irrigation over surface method of irrigation was 43.41, 42.16 and 35.41% in small, medium and large farmers respectively. The decrease in expenditure on fertilizer application in drip irrigation over surface method of irrigation was 41.35, 37.41 and 35.19% in small, medium and large farmers respectively. The 100.00, 98.86, 87.50, 80.68, 87.50, 80.68, 78.41, 73.86, 71.59, 69.32 and 64.77% of drip irrigation farmers were having constraints like complicated procedures in getting loan, delay in sanction of loan, non availability of soluble fertilizers, inadequate supply of electricity, choking of laterals and drippers, initial investment is high, inadequate follow up services by drip agencies, non-availability of quality materials and rodents damage to the laterals respectively.