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These agents are called antibiotics.
herbicides
A chemical substance in plants that inhibits the growth by inactivating the chemicals and factors essential for growth of that particular plant....
zinc
with a filter
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Plants require a proper balance of minerals for optimum growth.
These agents are called antibiotics.
Both humus and minerals contain nitrogen for growth of plants. Alluvial soils are rich in humus and minerals making them good for growth of plants.
Shen Min formula for men is a tablet preparation containing a substance known as He Shou Wu, vitamins and minerals. It is claimed that this product increases and strengthens hair growth.
They can stop growth, increase it or make no difference at all.
Growth factors and hormones are very important to the development of a fetus. Growth factors and hormones are chemicals. Fetuses are made of chemicals.
hormones
poo
The health of the body's organs and growth.
minerals
fertilizer