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Lebay, Muluken
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Agriculture, Biological Sciences & Forestry

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Evaluations of Grass Pea Relay Inter-Cropping with Wheat on Vertisol in Eastern Amhara Region, Ethiopia Taye, Tilahun; Abiye, Wudu; Lebay, Muluken
Journal of Tropical Crop Science Vol. 11 No. 03 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.03.365-374

Abstract

Grass peas have been cultivated in Ethiopia for a long time; they are drought-tolerant and unaffected by excessive rainfall. This study evaluated the effectiveness of grass pea relay intercropping with wheat for better production and its effect on soil moisture and fertility improvement in the Jama district, northeastern Amhara, Ethiopia. The location is mainly dominated by vertisol, a black-to-gray clay with high swelling and shrinking character. The treatments were evaluated by arranging the randomized block design.  At the tillering stage of wheat, planting grass peas on furrows and between rows with 30 cm spacing effectively contributes to soil fertility status and soil moisture. Grass pea is a legume crop that incorporates nitrogen and is also used as a cover crop that retains soil moisture. This type of planting technique is also efficient in the case of land utilization; a 1.9 ha sole cropping area would be required to produce the same yields as 1 ha of the intercropped system. Planting grass peas during the tillering stage of the wheat crop is recommended.
Optimizing Soil Drainage Strategies for Waterlogging Mitigation in Vertisol: Temporal Interventions for Lentil Production in Eastern Amhara Highlands, Ethiopia Taye, Tilahun; Lebay, Muluken; Mohammed, Awol
Journal of Tropical Crop Science Vol. 12 No. 02 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.02.473-481

Abstract

In Ethiopia’s central highlands, lentils are the second most important pulse crop, but their productivity is constrained by waterlogging and a lack of clear recommendations on optimal planting times. This study aimed to evaluate the effectiveness of various soil drainage techniques for lentil sowing, determine the optimal planting time for vertisols, and develop environmentally sustainable management strategies for lentil cultivation. Field experiments were conducted during the 2022 and 2023 cropping seasons in the eastern Ethiopian highlands, specifically in the Legehida and Wereilu districts of the Amhara region. The study tested three planting times (July, August, and September) and two land management practices (sowing with drainage on raised beds and sowing on flat beds) arranged in a factorial randomized complete block design (RCBD). The results showed highly significant differences in both locations. In Legehida, early planting on raised beds increased yield by 1004.78% and biomass by 642.13% compared to late planting. Yields were 1184.67% higher with raised beds than with flat beds or traditional farmer practices, which also showed a 541.86% increase in biomass. Similarly, in Wereilu, early planting on raised beds resulted in a highly significant improvement (p ≤ 0.05) over farmer practices. Therefore, in vertisol areas prone to waterlogging, early sowing of lentils on 120 cm wide raised beds after drainage is an effective strategy to enhance yield and biomass production.
Co-Authors Abiye, Wudu Mohammed, Awol Taye, Tilahun