R. J. Parham and J. D. Knight, The Effects of Four Organic Cropping Sequences on Soil Phosphorous Cycling and Arbuscular Mycorrhizal Fungi. journal = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2013, vol. 79(7). 566 - 568 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/16329.