Fertilizer is the food that plants need to grow and thrive. Plant food is fertilizer that has the necessary nutrients to produce healthy plants whether it is organic or inorganic. There are scientific studies that show beyond a shadow of a doubt that one is better than than the other. Although people believe organic fertilizer is better for the environment.
The three main nutrients that are vital to plant growth are nitrogen, phosphorus, and potassium.
Each of these are found naturally on earth. Manufacturers found ways to harness them so they can be used in a positive way in plant food. Nitrogen is found in the air and converted into a form that plants benefit from. It also is the main compent in chlorophyll. Phosphorus is essential to all forms of life and is made into fertilizer by taking the remains of ancient marine life found in rock deposits and volcanic activity in China. A concentrated phosphorus solution is produced by combining the phosphate with sulfuric acid.
Potassium is mined from naturally occurring ores that are farmed when seas and oceans have dried up. After the ore is brought to the surface of the earth, the unwanted minerals are removed and the potassium is granulated. Organic fertilizer such as compost, peat moss, and manure do burn or harm plants like inorganic fertilizers can. They also have long lasting positive effects on soil. Mulch like hay, leaves, grass, and bark help aerate the soil. They also help protect the soil from temperature change while adding nutrients.

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