Low Concentrations of Humic Substances Enhanced the Growth of Lactuca sativa L.
P. Verdi, M. Cano & E. Liem · Journal of Experimental Agriculture International · 2014
Aim: The experiments were completed to evaluate the efficacy of humic substances at low concentrations on the growth of lettuce (Lactuca sativa L.). Methodology: Lettuce (Lactuca sativa L.) of Grand Rapids variety seedlings were grown in seven deep water culture growing units. Ea...
Open access
Research Article
10.9734/AJEA/2015/13243