Abstract
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
Highlights
Haricot bean (Phaseolus vulgaris L) is annual pulse crop with considerable variation in habit, vegetation characters, flower color and the size, shape of pods and seeds (Onwueme and Sinha, 1999)
Description of the Study Site The researches were conducted during the 2012-2013 rainy season at two locations, which is located in Wolaita Zone, Southern Nations Nationalities and People’s Regional State (SNNPRS)
SUMMARY AND CONCLUSION A field experiments were conducted at the two locations on acidic soil to study the effect of phosphorus application on haricot bean verities at Dolla and Gununo in Wolaita Zone, Southern Ethiopia
Summary
Haricot bean (Phaseolus vulgaris L) is annual pulse crop with considerable variation in habit, vegetation characters, flower color and the size, shape of pods and seeds (Onwueme and Sinha, 1999). It was probably first cultivated with maize, and it seems likely that the two crops evolved together in a cereal-Legume farming system in much the same way as cowpeas and sorghum in West Africa. Haricot bean cultivation can be carried out without large input and intensive practices and this makes it suitable for poor farmers where the need in food supply is important It can be used in intercropping system with maize and between young trees until canopy closure
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