Ebrahimi, Ehsan, et al. “A Field Study on the effect of organic Soil Conditioners with different Placements on dry Matter and yield of tomato ( Lycopersicon Esculentum L.)”. International Journal of Recycling of Organic Waste in Agriculture, vol. 8, no. 1, Nov. 2018, https://doi.org/10.1007/s40093-018-0228-4.