Fill in the blanks:

(a) A total of _____nutrients are essential to plants.

(b) _____and _____are supplied by air to plants.

(c) _____is supplied by water to plants.

(d) Soil supply_____ nutrients to plants.

(e) ____nutrients are required in large quantity and called as____

(f) ____nutrients are needed in small quantity for plants and are called ____

(a) 16.

Nitrogen (N), Phosphorus (P), and Potassium (K), Calcium (Ca), Magnesium (Mg), and Sulfur (S), Boron (B), Chlorine (CI), Copper (Cu), Iron (Fe), Manganese (Mn), Molybdenum (Mo), and Zinc (Zn).

(b) Carbon and Oxygen

In photosynthesis, sunlight, water, and carbon dioxide are combined in special cells inside the plant. Glucose is one product of photosynthesis. Glucose is a sugar that plants can use for energy. Plants release oxygen as a waste product.

(c) Hydrogen

Hydrogen also is necessary for building sugars and building the plant. It is obtained almost entirely from water.

(c) 13

Soil is an important factor that provides essential nutrients to soil.

(d) Six, Macronutrients

The major macronutrients are nitrogen (N), phosphorous (P), and potassium (K). Calcium (Ca), magnesium (Mg), and sulfur (S) are also macronutrients.

(e) Seven, Micronutrients

Boron (B), Zinc (Zn), Manganese (Mn), Iron (Fe), Copper (Cu), Molybdenum (Mo), Chlorine (Cl).