(ai) Give four reasons why each of the following farm operation is important pruning of cocoa trees
(aii) Give four reasons why each of the following farm operation is important
parboiling of paddy rice
(b) A farmer abandoned a lot of land due to low soil fertility. After three years, It was discovered that guinea grass has
invaded the land . Suggest five ways by which the farmer can eradicate the grass
(c) State five uses of ornamental plants
(ai) - It optimizes the balance of vegetative and reproductive growth
- It increases the efficiency of fertilization and pest control
- its helps in prevention and treatment of diseases
- it reduces risk of failure from dead or weak branches.
(aii) - To increase the total and head yield of the paddy
- To prevent the loss of nutrients during milling
- To salvage wet or damage paddy
- To prepared the rice according to the requirement of consumers.
(b) - use of resistance varieties
- By use of good tillage operation
- By weeding
-By use of chemicals such as herbicides
- By cultural practices
(c) - They are used to enhance the beauty of gardens or home
- They are grown for food. Some chilies are grown as ornamental plants. An example is capsicums
- Some ornamentals can be used for medicinal purpose, examples of ornamental herbs are rosemary , mexican marigold
and lemon grass
- Fallen leaves of ornamental plants makes good mulch and compost.
- They absorb carbon dioxide from the air and output oxygen thereby creating cleaner air
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