TYPES OF FERTILIZERS

The first fertilizer produced by chemical processes.

• Urea

• Superphosphate

• ammonium phosphate

• organic fertilizer

Developed a method to convert atmospheric nitrogen into fertilizer .

• Rouelle and Wohler

• Haber and Bosch

• Bosch and Wohler

• Rouelle and Haber

What is superphosphate made of?

• by treating bones with sulfuric acid Coprolites and phosphate rock

• a mixture of calcium acid phosphate and calcium sulfate

• approximately equal amount of phosphorus and sulfur

• made from insoluble mineral phosphates by treatment with sulfuric acid

This kind of fertilizer feed the soil.

• organic fertilizer

• synthetic fertilizer

This element supports vegetative growth of plants.

• Nitrogen

• Potassium

• Phosphorus

• Magnesium

This minerals from the soil improves roots and flowering of the plants.

• Phosphorus

• Nitrogen

• Potassium

• Calcium

This element boosts protection against environmental threats and

severe weather conditions to pest attacks.

• Nitrogen

• Potassium

• Calcium

• Phosphorus

In urea, what is the percentage composition of nitrogen?

• 46 %

• 20%

• 26%

• 2%

The following are other application of urea in industry EXCEPT.

• animal feed additive

• pharmaceuticals

• resin production

• fuel

What is the benefits of using Urea in plants?

• It supply the plants with nitrogen in order to stimulate the growth of green, leafy vegetation.

• Contribute to the process of photosynthesis

• It is vital for seedlings and young plants.

• Helps plants grown for their fruiting and flowering.