Humic acids (HA) are organic molecules that play essential roles in improving soil
properties, plant growth, and agronomic parameters. The sources of HA include coal, lignite …

Maintaining food production for a growing world population without compromising natural
resources for future generations represents one of the greatest challenges for agricultural …

Background Plant biostimulants are diverse substances and microorganisms used to
enhance plant growth. The global market for biostimulants is projected to increase 12% per …

Climate change is a pressing matter of anthropogenic nature to which agriculture contributes
by abusing production inputs such as inorganic fertilizers and fertigation water, thus …

The demand for biostimulants has been growing at an annual rate of 10 and 12.4% in
Europe and Northern America, respectively. The beneficial effects of humic substances (HS) …

Zn is an essential element for plants yet some soils are Zn-deficient and/or have low Zn-
bioavailability. This paper addresses the feasibility of using ZnO nanoparticles (NPs) as soil …

Urban agriculture is growing worldwide with the growth of cities. Urban agriculture
represents about 20% of Cuban agriculture. In Cuba, urban agriculture is institutionalized …

Introduction: Biostimulants consist of natural ingredients, metabolites of fermentation, micro-
organisms, algae or plant extracts, bacteria, mushrooms, humus substances, amino acids …

Biostimulants such as ascorbic acid (AA) and fulvic acid (FA) can enhance the efficiency of
root-nodulating bacteria. This study investigates optimum concentration of these two …

Field experiments were conducted during the two successive seasons of 2009 and 2010 in
the Experimental Station of the National Research Centre in El-Nobaria region, Behira …