The Response of Haricot Bean (Phaseolus Vulgaris L) Varieties to Phosphorus Levels on Nitosols at Wolaita Zone, Ethiopia

Mesfin Kassa, Belay Yebo, Abera Habte


A field experiment was conducted at two locations (Bolosso Sore and Damot Sore) in Wolaita Zone of Southern Nations Nationalities and People’s Regional State to evaluate the response of two varieties of haricot bean (phaseolus vulgaris L.) to phosphorus fertilizer rates on acidic soils. Combinations of four levels of P (0, 10, 20 and 30 kg ha-1) were used on two varieties. The treatments were arranged in factorial RCBD with three replications. Analysis resulted of soil samples showed that Available P, Organic carbon, Total Nitrogen & Soil pH values were very low. Application of lime with P resulted significant changes on these chemical properties of the soils in the two locations.  The maximum values of these parameters recorded at 30 kg Pha-1. Growth parameters yield and yield components were significantly increased with increasing rates of P at the two locations. Maximum grain yields (1488.40 and 1523.7 kgha-1 for Hawse Dume at Gunno and Dollar, respectively and 1242.12 and 1352.01 kgha-1 for Omo-95 at Gunn and Dollar, respectively) recorded at rates of 30 kgPha-1 in the both locations. From the result of this study it could be conclude that improve soil pH, Available P and performance of haricot bean varieties but till now there is some gap on correcting P application of grain yield of the varieties. So application of P could be   increased the production of the crops.

Keywords: Hawse Dume, Omo-95, soil acidity and yield

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ISSN (Paper)2224-3208 ISSN (Online)2225-093X

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