条件筛选
-
What fertilizer is used as an iron source in soilless culture?
Combining organic and inorganic fertilizers. Farmyard manure is an organic fertilizer; it has a complete range of nutrients and a long-lasting fertilizing effect. Chemical fertilizer is an inorganic fertilizer; it has a single nutrient, a relatively high content, and takes effect quickly. By applying organic and inorganic fertilizers together, they complement each other's strengths, and the fertilizing effect can be greatly improved. For example, combining human and livestock manure with ammonium chloride, superphosphate, ammonium chloride...