a. Reasons why farm operations are important on (i) Prunning of cocoa trees (ii) parboiling...

AGRICULTURE
WAEC 2021

a. Reasons why farm operations are important on(i) Prunning of cocoa trees(ii) parboiling of paddy rice

b. Ways of eradicating guinea grass in a farmland

c. uses of ornamental plants

Explanation

ai. Prunning of cocoa trees

- Allows effective utilization of soil nutrients

- Enhances light penetrating in the cocoa plantation

- Enhances air circulation within the plantation

- Gives the trees good shape and height

- Increases pod formation

- Increases cocoa yield

- Helps in disease control

ii. Parboiling of paddy rice

- Reduces breakage of grains during milling

- makes dehusking easier

- Improves rice grains

- Hardens rice grains

- Improves resistance of grains to storage pests

b. - Flooding- Burning - Mulching - hoeing - use of chemicals - Ploughing - cover cropping - Slashing

c. - Source of income - Fencing - compost material - Provision of shade - Nitrogen fixation - Medicinal/herbs - Reduction of noise - Visual screening- source of food - Serves as windbreak - source of employment - Preparation of livestock feeds



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