ACTAGRO's PLANT PLUS^® and FOLIAR PLUS^® have produced yield increases in a wide range of crops. ACTAGRO^® cotton and tomato field trials have been recognized as the replicated evidence of yield enhancement through the application of humic substances. Observation trials over a five year period have documented the potential of these products to improve production and profitability in cotton and in other crops. Seed treatment, soil and foliar applications have increased root development and flowering under greenhouse conditions.