EFFECT OF FARMYARD MANURE AND MINERAL NP FERTILIZERS ON YIELD RELATED TRAITS AND YIELD OF POTATO (Solanum tuberosum L.) AT AREKA, SOUTHERN ETHIOPIA

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Abstract:

Declining soil fertility is one of the major problems causing yield reduction in Ethiopia. Farmers at Areka apply both organic and inorganic fertilizers to overcome the problem and increase yield of potato. However, information on the application of farmyard manure and chemical fertilizer is inadequate to the area to increase the yield of potato crop. Therefore, an experiment was conducted at Areka, Southern Ethiopia during the 2016 cropping season with the objective of assessing the effect of farmyard manure and mineral NP fertilizers on yield related traits and yield of potato. There were twenty treatments comprising of four levels of FYM (0, 2.5, 5, 7.5 t ha-1) with five levels of combined mineral NP fertilizers [0, 25%, 50%, 75%, 100% of blanket recommended rates of NP(110 kg N ha-1 and 90 kg P2O5 ha-1)] in randomized complete block design in factorial arrangement with three replications. The improved potato variety “Belete” was used as a test crop. The results showed that the main effect of FYM and mineral NP fertilizers were significant (P

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EFFECT OF FARMYARD MANURE AND MINERAL NP FERTILIZERS ON YIELD RELATED TRAITS AND YIELD OF POTATO (Solanum tuberosum L.) AT AREKA, SOUTHERN ETHIOPIA

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