Abstract
The field experiment was conducting during 2016/17 cropping season at angecha testing site of Areka Agricultural Research center, southern Ethiopia to evaluate the effect of blended fertilizer on yield of wheat with the treatments of seven replicated three times across farmers in RCBD design. An approximate geographical coordinates of the testing site is 7o 0’ N latitude and 38o 29’E longitude having an altitude of 2381meteres above sea level. The treatments were control (no fertilizer), three rates of NPS (46N, 54 P2O5, 10 S; 69N, 72 P2O5, 13 S and 92N, 90 P2O5, 17 S,) and three rates of NPSCu (T2 + Cu; T3 + Cu and T4 + Cu). The plot size was 4 m by 4 m (16m2) and the spacing between plots and blocks was 50 cm and 100 cm, respectively. The result of this experiment also has substantiated the importance application of on yield of wheat NPSCu (combination of Cu with macronutrients NPS) fertilizers in improving yield of wheat in Angecha woreda. Despite the need of verification in multi-locations and soil types for wider use, application of NPSCu can be recommended for wheat production in the study area.
Highlights
About one third of the world population consume wheat as staple food and as compared with other cereal crops, it is reach protein and providing more [6, 7]
Nutrient mining due to sub optimal fertilizer use coupled with imbalanced fertilizer uses have favored the emergence of multi nutrient deficiency in Ethiopian soils which in part explain fertilizer factor productivity decline and stagnant crop productivity conditions encountered despite continued use the blanket recommendation [9, 2]
In southern Ethiopia provides a striking example of how fertilizer use efficiency of potato can be raised when NP fertilizers are combined with K on location specific basis [9]
Summary
About one third of the world population consume wheat as staple food and as compared with other cereal crops, it is reach protein and providing more [6, 7]. Ethiopia is likely to rely on agricultural sector as source of income and employment for the foreseeable future requiring optimal and up-to-date fertilizer recommendation packages for all crops given the fact that increasing small holder farmer’s productivity entails the integration of improved technology and adoption. Nutrient mining due to sub optimal fertilizer use coupled with imbalanced fertilizer uses have favored the emergence of multi nutrient deficiency in Ethiopian soils which in part explain fertilizer factor productivity decline and stagnant crop productivity conditions encountered despite continued use the blanket recommendation [9, 2]. Balanced fertilizers containing NPKSB and Zn in blend form have been recommended to ameliorate site specific nutrient deficiency and thereby increase land, water and labor productivity. In southern Ethiopia provides a striking example of how fertilizer use efficiency of potato can be raised when NP fertilizers are combined with K on location specific basis [9]. A soil test based fertilizer recommendation and calibration efforts have been made by EIAR and RARIs but only limited to certain location and crop types
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