EFFECT OF INORGANIC NP FERTILIZERS AND VERMICOMPOST ON GROWTH, SEED YIELD, AND SEED QUALITY OF ONION (Allium cepa L.) AT MAITSEBRI, NORTHERN ETHIOPIA

Abstract:

Onion (Allium cepa L.) is an important vegetable crop in Ethiopia. However, the yields of the bulb crop as well as seed are often constrained by low and imbalanced nutrient supply in soil particularly nitrogen and phosphorus. Therefore, a field experiment was conducted at the research station of Shire-Maitsebri Agricultural Research Center (SMARC), located in Tselemti Woreda to study the effect of inorganic NP fertilizers and vermicompost on growth, seed yield and seed quality of onion (Allium cepa L.) during 2016/17 dry season under irrigation. Bombay Red onion variety was used for the study. The treatments consisted of five NP fertilizer rates {0, 17.25 N: 23 P2O5 (25 %), 34.5 N: 46 P2O5 (50 %), 51.75 N: 69 P2O5 kg ha-1 (75 %) and 100 % of recommended NP rates (69 N: 92 P2O5 kg ha-1)} and four rates of vermicompost (0, 2.5, 5.0, 7.5 t ha-1). The experiment was laid out in a factorial arrangement using randomized complete block design (RCBD) with three replications. Data were collected on phenology and plant growth, seed yield, and seed quality. The results revealed that days to bolting, days to 50 % flowering, stand count percentage, number of umbels per plant, umbel diameter, number of seeds per umbel, seed weight per umbel and thousand seed weight were significantly affected by the main effect of NP fertilizer rates and vermicompost. Days to maturity was highly significantly influenced by the main effects of NP fertilizers (P

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APA

Kiros, A (2024). EFFECT OF INORGANIC NP FERTILIZERS AND VERMICOMPOST ON GROWTH, SEED YIELD, AND SEED QUALITY OF ONION (Allium cepa L.) AT MAITSEBRI, NORTHERN ETHIOPIA. Afribary. Retrieved from https://tracking.afribary.com/works/effect-of-inorganic-np-fertilizers-and-vermicompost-on-growth-seed-yield-and-seed-quality-of-onion-allium-cepa-l-at-maitsebri-northern-ethiopia

MLA 8th

Kiros, Asgele "EFFECT OF INORGANIC NP FERTILIZERS AND VERMICOMPOST ON GROWTH, SEED YIELD, AND SEED QUALITY OF ONION (Allium cepa L.) AT MAITSEBRI, NORTHERN ETHIOPIA" Afribary. Afribary, 03 Oct. 2024, https://tracking.afribary.com/works/effect-of-inorganic-np-fertilizers-and-vermicompost-on-growth-seed-yield-and-seed-quality-of-onion-allium-cepa-l-at-maitsebri-northern-ethiopia. Accessed 04 Apr. 2025.

MLA7

Kiros, Asgele . "EFFECT OF INORGANIC NP FERTILIZERS AND VERMICOMPOST ON GROWTH, SEED YIELD, AND SEED QUALITY OF ONION (Allium cepa L.) AT MAITSEBRI, NORTHERN ETHIOPIA". Afribary, Afribary, 03 Oct. 2024. Web. 04 Apr. 2025. < https://tracking.afribary.com/works/effect-of-inorganic-np-fertilizers-and-vermicompost-on-growth-seed-yield-and-seed-quality-of-onion-allium-cepa-l-at-maitsebri-northern-ethiopia >.

Chicago

Kiros, Asgele . "EFFECT OF INORGANIC NP FERTILIZERS AND VERMICOMPOST ON GROWTH, SEED YIELD, AND SEED QUALITY OF ONION (Allium cepa L.) AT MAITSEBRI, NORTHERN ETHIOPIA" Afribary (2024). Accessed April 04, 2025. https://tracking.afribary.com/works/effect-of-inorganic-np-fertilizers-and-vermicompost-on-growth-seed-yield-and-seed-quality-of-onion-allium-cepa-l-at-maitsebri-northern-ethiopia

EFFECT OF INORGANIC NP FERTILIZERS AND VERMICOMPOST ON GROWTH, SEED YIELD, AND SEED QUALITY OF ONION (Allium cepa L.) AT MAITSEBRI, NORTHERN ETHIOPIA

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