Abstract: A pre-extension demonstration of improved field pea varieties was conducted in the west, southwest, and Finifine special zones of Adaberga, Welmera, Ejere, and Woliso districts of Oromia regional state. The main objective of the study was to demonstrate and evaluate the recently released (Jeldu) variety along with standard checks (Burqitu). The trial was conducted for two consecutive years (2021/22-2022/23). The demonstration was undertaken on a single plot of 15mx20m area for each variety with the spacing of 5 cm between plants and 20 cm between rows and recommended seed rate of 180kg/ha and fertilizer rate of 121kg/ha NPS. A mini-field day involving different stakeholders was organized at each respective site. Yield data per plot was recorded and analyzed using descriptive statistics, while farmers’ preference for the demonstrated varieties was identified using focused group discussion and summarized using pairwise ranking methods. The demonstration result revealed that Jeldu variety performed better than the standard check (Burqitu variety) with an average yield of 37.21qt/ha, while that of the standard check was 32.09qt/ha. Jeldu variety had a 19.94% yield advantage over the standard check. Thus, Jeldu variety was recommended for further scaling up.
Abstract: A pre-extension demonstration of improved field pea varieties was conducted in the west, southwest, and Finifine special zones of Adaberga, Welmera, Ejere, and Woliso districts of Oromia regional state. The main objective of the study was to demonstrate and evaluate the recently released (Jeldu) variety along with standard checks (Burqitu). The tri...Show More
Abstract: Plant density is one of the factor that affect maize yield and yield related traits. However, most of appropriate agronomic practices and requirements of maize have been studied and determined, there is limited information on plant population and row arrangement in study area. Therefore, this study was conducted to investigate the effects of intra and inter-row spacing on growth, yield components and grain yield of maize, and to identify economically acceptable maize intra and inter-row spacing in Yabello district. A factorial combination of the three intra-rows spacing (20, 25 and 30 cm) and four inter-row spacing (55, 65, 75 and 85 cm) were laid out in a Randomized Complete Block Design with three replications. The analysis of variance revealed that inter-row spacing highly significant (P< 0.01) affected most parameters, except cob diameter, ear length, and the number of rows per cob. The highest number of cobs per plant (1.61) and number of seeds per row (28.87) were observed at 65 cm inter-row spacing. Intra-row spacing significantly affected the number of cobs per plant and the hundred-seed weight. The highest values for both were observed at 30 cm intra-row spacing, with 1.6 cobs per plant and 30.75 g for hundred-seed weight. Furthermore, the interaction between inter and intra-row spacing significantly influenced the days to flowering and grain yield. The highest grain yield (4037.57 kg ha−1) was achieved with the 65 cm × 30 cm combination, while the lowest grain yield (2222.52 kg ha−1) was obtained from the combination of 30 cm intra-row and 85 cm inter-row spacing. Economic analysis showed the highest net benefit (100, 906.7 ETB ha−1) from the combination of 30 cm intra-row and 65 cm inter-row spacing. Therefore, based on economic analysis it can be concluded that spacing combinations of 65 x 30 cm responded favorably in attaining higher grain yield for Melkassa-1 maize variety production in the moisture stress area of Borana zone and similar agro ecologies.
Abstract: Plant density is one of the factor that affect maize yield and yield related traits. However, most of appropriate agronomic practices and requirements of maize have been studied and determined, there is limited information on plant population and row arrangement in study area. Therefore, this study was conducted to investigate the effects of intra ...Show More