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Study of Zero Tillage Demonstration on Farm Trial
Santsoh Rasaily, Bikash Poudel, Laxmi Devi Adhikari, Aastha Bhusal

Last modified: 2017-08-26


On Farm  trial was conducted in Split plot Design in 4 district of Nepal ( Mahottari, Nawalparasi, Dang and Bardiya) in 2015 to study the economic analysis of the zero tillage wheat. Terminal heat stress was a major key factor for the low yield of the wheat. As the zero tillage is a proven technology for the escaping of the terminal heat stress.  Treatments were design combing different production scenarios i.e. reduced/zero tillage, residue retention, precision nutrient management using leaf color chart, sprinkle irrigation method and intercropping practices. As the sowing date was same in all the treatment, so there was no significant difference in the yield and bio mass production among the treatment. However there was significant difference in the cost of production and profit among the treatment. Similarly there was no any benefit in the precision fertilizer use, irrigation method. The intercropping of garlic and legume were unprofitable than solo- wheat cropping. However, the residue retention was found to be profitable and zero tillage and reduced tillage were also found to be profitable. In case of the scenario, S4 ( NRs. 94,224/hac) S5 ( NRs. 96,541/hac) were found to be more profitable as compare to the S1 ( NRs.79,741). We can conclude that the zero tillage and residue retentions seems more profitable than other tested cultivation practices. As being the ecofriendly, residue retention and zero tillage should be scale up in large extent with preparation of proper guidelines and policies.

Key words: zero tillage, intercropping, Leaf color chart

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