Effects of NPS Fertilizer Rates on Growth, Yield and Yield Components of Mungbean [Vigna radiata (L.) Wilczek] Varieties under Irrigation at Gewane, Northeastern Ethiopia

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Year:
2020
Type of Publication:
Article
Keywords:
Boreda, Mungbean, NPS fertilizer, NVL-I, Rasa, Shewa Robit
Authors:
Tehulie, Nuru Seid
Journal:
IJRAS
Volume:
7
Number:
5
Pages:
217-233
Month:
September
ISSN:
2348-3997
Abstract:
Mungbean is becoming an important pulse crop in dry land area of Ethiopia because of its use as sources of food and cash. However, appropriate management practice that combines high yielding varieties with balanced fertilizers are lacking in the study area. Thus, a field experiment was conducted to assess the effects of NPS fertilizer rates on growth, yield and yield components of mungbean varieties during 2019 cropping season at Gewane, Ethiopia. Treatments consisted of factorial combinations of four mungbean varieties (Boreda, Rasa, Shewa robit and NVL-I) with four NPS fertilizer rates (0, 50, 100 and 150 kg ha-1) laid out in Randomized Complete Block Design (RCBD) with three replications. The results of the main effects of NPS fertilizer rate showed significantly the highest plant height (65.91 cm), primary branches (5.81), secondary branches (9.08), total number of nodules (26.10), effective number of nodules (15.32), hundred seed weight (4.75 g), aboveground biomass (5769.3 kg ha-1) and harvest index (28.55%) from 150 kg NPS ha-1, which was statistically at par with 100 kg NPS ha-1. Interaction of varieties with NPS fertilizer rate showed significant effect on days to 50% flowering, days to 90% physiological maturity, number of pod per plant, number of seeds per pod and seed yield. The highest days to flowering (54.22 days) and days to physiological maturity (81.22 days) were recorded from variety Rasa with 150 kg NPS ha-1 whereas the highest number of pods per plant (26.22), number of seeds per pod (12.21), and seed yield (1820.67 kg ha-1) was recorded from the combination of Boreda variety with 100 kg NPS ha-1. Moreover, the combination of 100 kg NPS ha-1 with variety Boreda also gave the highest net-return (29,589.1 Birr ha-1) with MRR of 855.16%. Thus, the results of this study, it can be tentatively concluded that the use of 100 kg ha-1 NPS with variety Boreda to be best for the production of mungbean in the study area.

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