The chemistry of humic substances (HSs) occurs hidden from our sight, but is of key
importance to agriculture and the environment, and nowadays even to medicine and …

Humic acids (HAs) are natural organic polymers that are widely distributed in terrestrial soils,
natural water, and sediments. Due to their excellent physical and chemical properties, HAs …

Biostimulants, are a diverse class of compounds including substances or microorganism
which have positive impacts on plant growth, yield and chemical composition as well as …

Improvement of plant iron nutrition as a consequence of metal complexation by humic
substances (HS) extracted from different sources has been widely reported. The presence of …

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 ability of rhizospheric humic substances to improve plant growth has been well
established by many studies carried out using diverse plant species cultivated under many …

Biostimulant application can be considered an effective, practical, and sustainable
nutritional crop supplementation and may lessen the environmental problems related to …

Abstract Evaluation of aggregate formation in no-till farming systems and the effects on soil
organic matter can provide relevant insights into soil carbon storage, nutrient cycling, and …

Plant growth-promoting bacteria (PGPB) and humic substances (HSs) are promising options
for reducing the use of pesticides and mineral fertilizers. Although many studies have shown …

The biological activity of humic substances (HS) has been elucidated in the last 40 years.
Growth enhancement from HS has been demonstrated in several plants in the laboratory …