Abstract
The research is financed by Sesame Business Network (SBN) Project (Sponsoring information) Abstract The experiment was conducted in 2016/17 cropping season under rain fed condition in Metema and Tach Armachiho districts of the Amhara regional state, Ethiopia. The treatments consisted of a factorial combination of four levels of inter row spacing (40, 60, 80, 100 cm) and three levels of intra row spacing (5, 10, 15cm). The treatments were laid out in randomized complete block design with three replications. The main effects of row and intra row spacings were significantly affecting days to 90% physiological maturity, number of branch/plants, biomass yield and grain yield/hectare. On the other hand, except harvesting index, all other parameters were not significantly influenced by the interaction effect of inter and intra row spacing. The highest biomass and grain yields were recorded at 40cm inter and 5 cm intra row spacing. Results of the economic analysis showed that the maximum net benefit was obtained in soybeans planted with 60 cm by 10 cm inter and intra row spacing, respectively. Thus, farmers in Metema and Tach Armachiho can use 60cm by 10cm inter and intra row spacing respectively for mung bean production. Keywords: Inter Row Spacing, Intra Row Spacing, Plant Density, Seed Yield DOI: 10.7176/JBAH/10-8-05 Publication date: April 30 th 2020
Highlights
Soybean (Glycine max L.) is one of the most important sources of edible oil and protein
Days to 5 Flowering Days to 50% flowering was significantly influenced by the main effect of inter and intra row spacing at Metema district
At Metema district, soybeans planted with 100 cm inter row and 10 cm intra row spacing took long days to flower (52.56 and 51.58 days, respectively) compared to other treatments, which were statistically at par to each other (Table 1)
Summary
Soybean (Glycine max L.) is one of the most important sources of edible oil and protein. The total area of land under production and total volume of soybean production in Ethiopia has been growing over years. The total land under soybean production in 2013/14 growing season was 30,517.38 hectare and its productivity was 20 quintal/ha. While in 2016/17 area of land covered by soybean was 36, 635.79 hectare, which increased by 8.3% and its productivity was 22.17 quintal/ha. In Amhara region, 13,677.21 hectare of land was covered by soybean in 2016/17 during the main growing season CSA, 2017). The present study was undertaken to determine optimum inter and intra row spacing (planting density) for soybean cultivation at Metema and Tach Armachiho districts, Northwestern Ethiopia
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