NPSB Fertilizer Effect on Yield of Wheat (Triticum aestivum L.) At Wolaita Zone Sodo Zuria Woreda, South Ethiopia

Abstract

Wheat (Triticum aestivum) is one of most important cereal crop in Ethiopia. The major obstacle for farmer to produce wheat in Ethiopia was low soil fertility status and nutrient imbalance. The experiment was conduct during 2019 and 2020 ‘meher’ cropping season at Kokate substation of Areka agricultural research center at sodo zuria woreda wolaita zone south Ethiopia with objectives of evaluating the effect of NPSB fertilizers rate on yield and yield component of wheat production. The design of experiment was RCBD with plot size of 4m by 4m with three replications and row spacing of 20 cm. The experiment had 10 treatments used for the field experiment including: (1) control, (2) recommended NP, four different rate of NPSB (3, 4, 5 and 6) and four different rates of NPSBCu (7, 8, 9 and 10).the SAS software version 9.0 were used to analysis collected data and LSD for mean separation. The treatment 2, 4, 5 and 6 gave considered net benefit with acceptable MRR and the T6 give the optimum yield. Highest MRR was observed in treatment 2; but, availability of TSP at local market is under question. Subsequently, treatment 5 has the next highest MRR. Therefore, 250kg NPSB + 150kg urea is recommended as the best option and applying 200kg NPSB + 120kg urea can be also used as alternative option for wheat producers around Sodo Zuria.

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