Research Article
Effect of NPS and Zinc Fertilizer Rates on Growth and Yield of Onion (Allium cepa L.) at Shewa Robit, North Shewa, Ethiopia
Table 5
Summary of partial budget and marginal rate of return analysis for response of onion production to different rates of NPS and Zinc sulfate.
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TVC: total variable cost; AvY: average yield; AjY: adjustable yield; GFB: gross field benefit; NB: net benefit; ETB: Ethiopian Birr; D: dominated treatment; MRR: marginal rate of return; selling price of onion at farm gate = 30 ETB kg−1; purchasing costs of NPS fertilizer = 20.00 ETB kg−1; cost of ZnSO4 = 1200 ETB kg−1; labor cost = 100 ETB per man day. |