Determination of Optimum Rate of Blended Fertilizer for Pod Yield of Snap Bean (Pharsalus vulgaris L.) at Teda, North Gondar, Ethiopia

Tesfaye Wossen

Abstract


Therefore based on the governments direction to use blended fertilizer instead of di-ammonium phosphate, use of 300 kg/ha blended fertilizer can be used as an option to maximize snap bean productivity and higher return.

Snap bean is one of the important legume vegetable crops. Snap bean production in Ethiopia has both challenge and opportunity. But there is limited research regarding the response of snap bean to different sources of fertilizer. There is no site and crop specific rate determination of blended fertilizer was not done yet. Seven blended fertilizer with the recommended NP2O5 rates were evaluated during 2016 offseason by irrigation at Teda experimental site of University of Gondar, northwest part of Ethiopia.  The objective of this study was to evaluate the response of “Idom’ variety of snap bean to different levels of blended fertilizer in the study area. The trail was laid out in the randomized complete block design with three replications. The analysis of variance showed significant variation among varieties for all the parameters studied such as number of pods/plant, pod length, pod diameters, plant height, pod yield and biomass. The blended fertilizer rate the recommended NP2O5 and 300kg/ha blended fertilizer gave high pod yield 8.6 ton/ha and 4.3 ton/ha respectively. The partial analysis result showed that the recommended NP2O5 and 300kg/ha blended fertilizer have a net benefit of 139,645.5and 66,726.8 birr and  36,459.4 and 3396.66% marginal rate of return per one birr of investment respectively.

 


Keywords


snap bean ; pod yield ; blended fertilizer.

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