Q: Do you recommend chelated iron fertilizer for citrus? A: All the fertilizers for fruit trees (that includes citrus) are applied very early in the season, as early as possible but usually between ...

Q: Thanks to your previous advice I used an iron chelate, applied it to the soil in March, and got my plants to develop a dark green color rather than a yellowish-green color. A: There are many things ...

We may receive a commission on purchases made from links. The secret to a perfectly green lawn is an often-overlooked nutrient -- iron. Unlike nitrogen-heavy fertilizers that promote rapid growth at ...

Researchers in Spain have discovered an effective way to upcycle spent coffee grounds as fertilizers in cucumber greenhouses.