Abayneh, Behailu Mekonnen
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Effect of planting material and pre-planting storage method on rhizome sprouting, crop stand, and seed rhizome yield of Turmeric (Curcuma longa L.) at Teppi, Southwestern Ethiopia Abayneh, Behailu Mekonnen; Chanie, Asrade
International Journal on Food, Agriculture and Natural Resources Vol 5, No 1 (2024): IJ-FANRes
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v5i1.251

Abstract

A two-year study experiment was conducted from January 2021 to December 2022 at the Teppi Agricultural Research Center (TARC) with the aim of identifying suitable planting material and an appropriate pre-planting storage method that can enhance turmeric seed quality and yield under rain-fed conditions. The experiment consisted of three planting materials (mother rhizomes, finger rhizomes, and mixed rhizomes) and five pre-planting storage methods (cemented floor, under tree shade, raised mesh-wired bed, pit with grass cover, and pit with soil cover). These factors were factorially arranged using a randomized complete block design with three replications. The results from the analysis of variance revealed that the seed quality, growth, and seed rhizome yield of turmeric were significantly (p<0.05) influenced by the main effect of both planting material and storage method. However, their interaction effect did not significantly affect these attributes (p>0.05). The highest clean and sprouted seed rhizomes, as well as total sprouts, were recorded in mother seed rhizomes and seed rhizomes stored under tree shade. Conversely, storing mother seed rhizomes on cemented floors resulted in the highest seed weight losses. Finger seed rhizomes stored in soil-covered pits produced the highest percentages of non-sprouted and decayed seed rhizomes. Regarding growth attributes, mother seed rhizomes led to the highest plant stands, plant height, stem girth, leaf growth, and tiller number. Storing seed rhizomes under tree shade performed the best across these growth attributes. Turmeric plants grown from mother seed rhizomes yielded a higher number of mother and finger rhizomes per plant and the highest fresh rhizome yield. Likewise, storing seed rhizomes under tree shade resulted in the highest fresh rhizome yield. In general, utilizing mother seed rhizomes and storing them under tree shade improved turmeric seed quality, growth, and seed rhizome yield. Therefore, farmers in the area are recommended to adopt these practices, but further research is needed to assess their economic feasibility.
Productivity and Land Use Efficiency of Maize-Soybean Intercropping Under Different Tillage Practices at Teppi Southwestern Ethiopia Abayneh, Behailu Mekonnen
Plantropica: Journal of Agricultural Science Vol. 8 No. 2 (2023)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2023.008.2.02

Abstract

For smallholder farmers in southwest Ethiopia, maize-soybean intercropping systems offer enormous benefits. Even though there has been little research on the socioeconomic benefits of this intercropping in the region, there is still a dearth of knowledge on the ideal cropping ratio. Accordingly, a two-year field experiment was carried out at Teppi Agricultural Research Center (TARC) during the main cropping season (under rain-fed conditions), from April 2021 to January 2023, with the aim of identifying the optimum intercropping combinations with appropriate tillage practices for enhanced land use efficiency, yield, and economic advantages of maize and soybean intercropping systems. It was laid out using a split-plot design with three replications using two tillage practices (zero tillage and conventional tillage) as main plot treatments and five intercrop combinations of maize and soybean (1:0, 0:1, 1:1, 2:1, and 1:2) as sub-plot treatments. Based on the combined data analysis, the yield attributes of the component crops and competition indices were significantly (P<0.05) affected by the main effect of maize-soybean intercropping. However, the main effect of tillage practices and their interaction with intercropping had a non-significant (P>0.05) effect on the yield attributes of the component crops and competition indices. The highest harvest index, grain yield, and aboveground biomass yield of maize and soybean were obtained from each solely cropped plot, respectively. The same plots also gave the maximum values of hundred and thousand seed weights of soybean and maize, respectively. Regarding yield and economic advantage, the highest total land equivalent ratio (LER) value (1.17), area time equivalent ratio (ATER) (1.16), and monetary advantage index (MAI) (17,224 ETB ha-1) were recorded from the 2:1 maize and soybean intercrop combination. Thus, the findings of this study suggest enhanced resource use efficiency in maize-soybean intercropping, resulting in greater yield and monetary advantage over the sole cropping of the component crops. Therefore, in conclusion, the 2:1 maize and soybean intercrop combination can be suggested as the best combination for improved land use efficiency, yield, and economic advantage in comparison with other combinations. However, prior to recommendation, the study needs to be carried out for more than two growing seasons with the inclusion of minimum tillage practices to point out the effects on maize and soybean yield, production cost, and biological and physico-chemical properties of the soil in the long run.