Liquid bio-slurry enhances the productivity of N-fertilized maize under field conditions in Ethiopia
Journal Title: International Journal of Experimental Research and Review - Year 2024, Vol 43, Issue 7
Abstract
Enhancing maize production and productivity is critical for ensuring small-scale farmers' food security. Yet, declining soil fertility poses a substantial challenge to cereal production, including maize, in developing countries. Farmers are currently finding liquid bio-slurry to be a valuable organic amendment because it improves maize productivity and food security by altering the physicochemical properties of the soil. However, extensive research on liquid bio-slurry as an organic amendment in Ethiopia is still limited. Hence, a field experiment was conducted at two sites to identify the optimal combination of inorganic nitrogen (N) and liquid bio-slurry to improve maize productivity. The trial involved the application of two mineral N fertilizers and five different rates of liquid bio-slurry in a randomized complete block design with three replications. The results revealed that the main effects of mineral N and liquid bio-slurry were significant (p< 0.05) on most of the parameters examined. The interaction between mineral N x liquid bio-slurry had a significant (p< 0.05) effect on plant height, ear length, number of rows ear-1, number of kernels ear-1, above-ground dry biomass yield, hundred-grain weight, grain yield, and straw yield. The highest grain yield (8,220 kg ha-1) was achieved by combining 46 kg N ha-1 with 18 t liquid bio-slurry ha-1. Therefore, 46 kg N ha-1 with 18 t liquid bio-slurry ha-1 is highly recommended for increasing maize yield in the study sites and other areas with similar agroecological zones.
Authors and Affiliations
Zekarias Yohannes, Tarekegn Yoseph, Alemayehu Kiflu, Tewodros Ayalew, Ashenafi Haile
Keywords
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- EP ID EP747171
- DOI 10.52756/ijerr.2024.v43spl.002
- Views 63
- Downloads 0
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