Question

Why are most fertilizers rich in nitrogen and phosphorus?

Answer 1

Answer:

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Explanation:

Each of these fundamental nutrients plays a key role in plant nutrition. Nitrogen is considered to be the most important nutrient, and plants absorb more nitrogen than any other element. ... It's also needed to help plants grow and develop normally. Phosphorus in commercial fertilizers comes from phosphate rock

Answer 2

Answer:

Nitrogen in Plants

Nitrogen in PlantsNitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins.