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Effect of Organic Mulch and Water Supply on Yield and Profitability in Black Nightshade (Solanum Scabrum Mill.) in West Cameroon

Author

Listed:
  • Arthur Landry Tapa Tagny

    (Soil analysis and environmental chemistry research unit, Department of Soil Sciences, Faculty of Agronomy and Agricultural Sciences of the University of Dschang, P.O. Box 222 Dschang, Cameroon.)

  • Alexis Boukong

    (Soil analysis and environmental chemistry research unit, Department of Soil Sciences, Faculty of Agronomy and Agricultural Sciences of the University of Dschang, P.O. Box 222 Dschang, Cameroon.)

  • Boris Merlain Kanouo Djousse

    (Laboratory of Water management, Department of Rural Engineering, Faculty of Agronomy and Agricultural Sciences of the University of Dschang, P.O. Box 222 Dschang, Cameroon.)

  • Etienne Mboua

    (Soil analysis and environmental chemistry research unit, Department of Soil Sciences, Faculty of Agronomy and Agricultural Sciences of the University of Dschang, P.O. Box 222 Dschang, Cameroon.)

  • Jean Pierre Mvondo Awono

    (Department of Agronomy and Applied Molecular Sciences, Faculty of Agriculture and Veterinary Medicine, University of Buea, P.O. Box 63 Buea, Cameroon)

  • Cecile Merveille Ernestine Boyomo Sanga

    (Soil analysis and environmental chemistry research unit, Department of Soil Sciences, Faculty of Agronomy and Agricultural Sciences of the University of Dschang, P.O. Box 222 Dschang, Cameroon.)

Abstract

Water shortage and increased soil water evaporation are among challenges facing farmers in tropical regions subjected to prevailing climate change. Combinations of agricultural practices expected to improve yields of cultivated crops such as mulching has been described as a method to improve soil water storage and yields of cultivated crops including black nightshade. Unfortunately, up to date, few research works have addressed the yields and profitability of black nightshade. Combinations of rate of water, frequency of irrigation, mulch rate were tested during the 2021 and 2022 off-seasons for large-scale and cost-effective production of black nightshade, a staple food crop. A total of 18 triptych combinations of three irrigation volumes (Vn), three irrigation frequencies (Fn) and two mulch rates (Mn) were tested. Results showed that the best 5 yielding combinations (mean: 42.08 t/ha) represented 124% of the trial mean (33.80 t/ha) independently of the cropping year. However, combination V1F3M10 i.e. applying an average of 5.8 mm/day of water every 3 days on 10 t/ha-mulch plots led to the highest yield (47.16 t/ha) and profit (304.60%). Therefore, the combination V1F3M10 should be adopted for off-season production of black nightshade on Oxisol from West-Cameroon. Soil mulching at 10 t/ha promoted water saving by 402.3 mm and probably reduced soil water evaporation, weeds control, and improved water use efficiency.

Suggested Citation

  • Arthur Landry Tapa Tagny & Alexis Boukong & Boris Merlain Kanouo Djousse & Etienne Mboua & Jean Pierre Mvondo Awono & Cecile Merveille Ernestine Boyomo Sanga, 2023. "Effect of Organic Mulch and Water Supply on Yield and Profitability in Black Nightshade (Solanum Scabrum Mill.) in West Cameroon," International Journal of Research and Innovation in Applied Science, International Journal of Research and Innovation in Applied Science (IJRIAS), vol. 8(10), pages 19-30, October.
    • Handle: RePEc:bjf:journl:v:8:y:2023:i:10:p:19-30
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    References listed on IDEAS

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    1. Balwinder-Singh & Eberbach, P.L. & Humphreys, E. & Kukal, S.S., 2011. "The effect of rice straw mulch on evapotranspiration, transpiration and soil evaporation of irrigated wheat in Punjab, India," Agricultural Water Management, Elsevier, vol. 98(12), pages 1847-1855, October.
    2. Liu, W. Z. & Hunsaker, D. J. & Li, Y. S. & Xie, X. Q. & Wall, G. W., 2002. "Interrelations of yield, evapotranspiration, and water use efficiency from marginal analysis of water production functions," Agricultural Water Management, Elsevier, vol. 56(2), pages 143-151, July.
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