Different types of fertilizer come in various chemical ... Calcium, iron, and sulfur are examples of micronutrients. “Organic fertilizer is in line with the natural process,” says Kowalewski.

A study published in the Journal of Cannabis Research investigated the combined effect of different fertilizer types ...

Organic matter on top of the soil blocks the light from reaching weed seeds that are in and on the soil. Weed seeds need light to germinate. Organic matter is a coarse layer that traps water so that ...