Husbandry of Oil crops - SS1 Agriculture Past Questions and Answers - page 2
Which oil crop is often uprooted for harvesting?
Oil palm
Melon
Groundnut
Sunflower
What is the primary method of oil extraction from oil palm fruit bunches?
Cold pressing
Roasting
Boiling
Sterilization and pressing
How are melon seeds processed for consumption or oil extraction?
Boiling
Boiling
Roasting
Freezing
To prevent mold growth and rancidity, groundnut seeds and oil should be stored in what conditions?
Cool and dry
Warm and humid
Sunny and wet
Cold and wet
What is the primary method of oil extraction from groundnuts?
Cold pressing
Boiling
Roasting
Steam distillation
Explain the importance of proper land preparation before planting oil crops
Proper land preparation is crucial because it creates a suitable environment for oil crops to grow and thrive. It helps to:
Remove weeds, debris, and obstacles, reducing competition for resources.
Improve soil aeration, allowing better root development and nutrient uptake.
Level the land, preventing waterlogging and ensuring even water distribution.
Enhance soil structure, promoting healthy root growth and reducing soil compaction.
Facilitate planting and subsequent farming operations, making them more efficient.
Users' Answers & CommentsDescribe the climatic and soil requirements for successful melon cultivation
Climatic Requirements: Melon thrives in warm, subtropical to tropical climates with temperatures ranging from 21-32°C (70-90°F). It requires well-distributed rainfall of about 500-750 mm annually. Frost-free conditions are essential.
Soil Requirements: Melons prefer well-drained, sandy loam or loamy soils with a slightly acidic to neutral pH of 6.0-7.0. Good soil fertility and organic matter content are advantageous.
Users' Answers & CommentsWhat are the key steps involved in the processing of oil palm fruits to extract palm oil?
Sterilization: Fruits are sterilized to kill any potential pathogens.
Threshing: The fruits are separated from bunches.
Pressing: Oil is extracted from the fruit pulp.
Clarification: Impurities are removed from the extracted oil.
Purification: Further refining of the oil, if necessary, to obtain the desired quality.
Users' Answers & CommentsHow can farmers determine the right timing for harvesting groundnuts?
Groundnuts are typically ready for harvesting when the leaves have turned yellow, indicating maturity. Additionally, farmers can check the pods; when they are easy to remove from the plant and the kernels inside are mature and plump, it's a sign that the groundnuts are ready for harvest.
Users' Answers & CommentsDiscuss the significance of maintaining proper storage conditions for oil crops:
Proper storage conditions are essential to:
Prevent moisture absorption, which can lead to mold growth and spoilage.
Minimize exposure to air, reducing the risk of oxidation and rancidity.
Keep crops safe from pests and insects.
Maintain the quality and flavor of the oil or seeds.
Ensure longer shelf life and economic value of the stored crops.
Users' Answers & Comments