RECALL TOPIC 1.1

What is chemistry?

• Black soil from River Nile.

• The science or practice of farming on cultivating land and raising animals in order to produce foods, beverages, fibers and timbers.

• Chemistry is a branch of science that studies the composition, structure, properties and interaction matters

• Study of both chemistry and biochemistry which are important in agricultural production, the processing of raw products into foods and beverage and in environmental monitoring and remediation.

What is Agricultural chemistry?

• Black soil from River Nile.

• The science or practice of farming on cultivating land and raising animals in order to produce foods, beverages, fibers and timbers.

• Chemistry is a branch of science that studies the composition, structure, properties and interaction matters

• Study of both chemistry and biochemistry which are important in agricultural production, the processing of raw products into foods and beverage and in environmental monitoring and remediation.

Careers involved in chemistry knowledge

• Lecturer/Teacher

• Doctor/Dentist

• Modern farmer

• Veterinar

• All of above

Chemical based industries in Malaysia?

• Petroleum and Natural Gas

• Plastic & Agricultural

• Iron & Steel

• Oleochemicals

• All of above

Major group of chemicals except...

• Fertilizer

• Pesticide

• Hormone

• Medicine

Advantages of using pesticides

• Cost Effectiveness

• Better timeliness and Flexibility

• Improve quality, quantity and price of produce

• Prevention of Pest problems

• Protection of the environment

Advantages of using fertilizer

• Nitrogen (N) - Encourages growth of stems and leaves.

• Potassium Carbonate (Potash) (K2CO3) - fosters protein development, thickens stems and leaves and disease resistance

• Phosphorus (P) - Produce more flowers, larger fruits and healthier roots and tubers.

• All of the answer are accepted

Types of plant hormone

• rBGH

• Estrous

• Auxins

• Cytokinin

Types of hormone in animal

• Growth promotant hormone

• Estrous

• rBGH

• Auxin

Function of Gibberellins

• stem elongation, increase in leaf size

• help in synthesis of proteins in leaves and absorption of nutrient salt

• to force greater milk production

• increasing weight gain of livestock