Sandhu, Ravneet K., et al. “Assessing Seaweed Extract As a Biostimulant on the Yield of Organic Leafy Greens in Tennessee”. The Journal of Agriculture of the University of Puerto Rico, vol. 102, no. 1-2, Apr. 2018, pp. 53-64, doi:10.46429/jaupr.v102i1-2.17531.