HORTICULTURE

Detailed explanation-1: -Plants use nitrates as a supply of nitrogen, which is needed to make proteins for healthy growth. Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces.

Detailed explanation-2: -Glucose is joined with nitrates absorbed from the soil to make amino acids . These are joined together to make proteins during protein synthesis .

Detailed explanation-3: -Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential component in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Plants can only absorb nitrogen in the form of nitrates .