FNGLA Fertilizers – Questions With Complete Solutions
Sulfur - ✔️ lower the pH
Dolomite - ✔️ calcium carbonate and magnesium/ used to raise the pH
Vermiculite - ✔️ soil amendment used to absorb water
Perlite - ✔️ soil amendment used to aerate soil
Organic matter - ✔️ Considered the most important amendment that can
be added.
N-P-K - ✔️ Primary macro nutrients
Ca - S - Mg - ✔️ Secondary macro nutrients
Fe - B - Mn - Cu - Zn - Mo- Cl - ✔️ Micro nutrients
Iron - (Fe) - ✔️ Contributes to manufacturing of chlorophyll and necessary
for photosynthesis
Slow release fertilizers - ✔️ Extends the period of time the fertilizer
remains effective in soil
Yellow fertilizer labels - ✔️ fertilizers that contain pesticides
Water soluble fertilizers - ✔️ Less expensive but the components may
leach quickly through the soil.
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