Every farmer and every allotment gardener knows that humus is good for plant growth. But why? Humus contains humic substances ...
DURING an investigation into the physical properties of humic acids, humic products were extracted from mixtures of papyrus and various additives such as different types of clays, which had been ...
Sustainable fertilizer company AgroLiquid said Wednesday it will acquire Monty’s Plant Food Company to expand into soil ...
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