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Linking Soil Health to Sustainable Crop Production: Dairy Compost Effects on Soil Properties and Sorghum Biomass

Author

Listed:
  • Pramod Acharya

    (Department of Biology, Eastern New Mexico University, Portales, NM 88130, USA)

  • Rajan Ghimire

    (Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, NM 88003, USA
    Agricultural Science Center, New Mexico State University, 2346 State Road 288, Clovis, NM 88101, USA)

  • Youngkoo Cho

    (Department of Biology, Eastern New Mexico University, Portales, NM 88130, USA)

Abstract

Dairy compost is utilized in agricultural fields to supplement nutrients, yet its role in optimizing nutrient supply and health of semiarid soils is not clear. A greenhouse study was conducted over two months to evaluate soil properties and forage sorghum production under various compost rates. The study had six treatments and four replications. Treatments included compost application rates at 6.7 (C1), 13.5 (C2), 20.2 (C3), 26.9 (C4), and 33.6 Mg ha −1 (C5) and a control (C0). Soil samples were analyzed for soil organic carbon (SOC), potentially mineralizable carbon (PMC), total nitrogen (N), inorganic N, potentially mineralizable N (PMN), available phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S). Plant biomass production and biomass C, N, and lignin contents were also estimated. High compost rates improved soil properties significantly (p < 0.05) indicated by increased SOC, N, P, K, Ca, and cation exchange capacity (CEC). Sorghum biomass production did not increase significantly with compost rate, while shoot N content increased at higher rates of compost. A nutrient management plan that integrates dairy compost application has potential to improve soil health and support sustainable forage production in semiarid regions.

Suggested Citation

  • Pramod Acharya & Rajan Ghimire & Youngkoo Cho, 2019. "Linking Soil Health to Sustainable Crop Production: Dairy Compost Effects on Soil Properties and Sorghum Biomass," Sustainability, MDPI, vol. 11(13), pages 1-13, June.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:13:p:3552-:d:243664
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    References listed on IDEAS

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    1. Binod Ghimire & Rajan Ghimire & Dawn VanLeeuwen & Abdel Mesbah, 2017. "Cover Crop Residue Amount and Quality Effects on Soil Organic Carbon Mineralization," Sustainability, MDPI, vol. 9(12), pages 1-14, December.
    2. Abd El-Mageed, Taia A. & El- Samnoudi, Ibrahim M. & Ibrahim, Abd El-Aty M. & Abd El Tawwab, Ahmed R., 2018. "Compost and mulching modulates morphological, physiological responses and water use efficiency in sorghum (bicolor L. Moench) under low moisture regime," Agricultural Water Management, Elsevier, vol. 208(C), pages 431-439.
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    Cited by:

    1. Subash Dahal & Dorcas Franklin & Anish Subedi & Miguel Cabrera & Dennis Hancock & Kishan Mahmud & Laura Ney & Cheolwoo Park & Deepak Mishra, 2020. "Strategic Grazing in Beef-Pastures for Improved Soil Health and Reduced Runoff-Nitrate-A Step towards Sustainability," Sustainability, MDPI, vol. 12(2), pages 1-15, January.
    2. Mustapha El Janati & Nouraya Akkal-Corfini & Ahmed Bouaziz & Abdallah Oukarroum & Paul Robin & Ahmed Sabri & Mohamed Chikhaoui & Zahra Thomas, 2021. "Benefits of Circular Agriculture for Cropping Systems and Soil Fertility in Oases," Sustainability, MDPI, vol. 13(9), pages 1-17, April.

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