Crop Production Basic 4 Agricultural Science Lesson Note
Download Lesson NoteTopic: Crop Production
What is Crop Production?
Crop production is the growing of plants on farms to provide food, money, and raw materials for people to use.
Types of Crops

- Food Crops
Crops grown mainly for eating
Grains/Cereals:
- Rice – for rice and swallow
- Maize (Corn) – for pap, cornflakes
- Wheat – for bread, noodles
- Millet – for local porridge
Root and Tuber Crops:
- Yam – for pounded yam, boiled yam
- Cassava – for garri, fufu, flour
- Sweet potato – boiled or roasted
- Irish potato – for chips, salad
Legumes (Beans):
- Cowpeas (beans) – for moi-moi, akara
- Groundnuts – for snacks, oil
- Soya beans – for protein food
- Cash Crops
Crops grown mainly to sell for money
Export Crops:
- Cocoa – sold to make chocolate
- Cotton – sold to make clothes
- Palm oil – sold for cooking and soap
- Rubber – sold to make tires
Industrial Crops:
- Sugarcane – for making sugar
- Tobacco – for cigarettes
- Coffee – for drinks
- Vegetables
Fresh plants for healthy eating
- Tomatoes – for stew and salad
- Pepper – for seasoning
- Onions – for cooking
- Lettuce – for salad
- Spinach – for vegetable soup
- Fruits
Sweet crops for eating and health
- Oranges – for vitamin C
- Mangoes – fresh fruit
- Bananas – for energy
- Pineapples – for juice
- Watermelon – for refreshment
Steps in Crop Production
Step 1: Land Preparation
- Clear the land of weeds and bushes
- Plow the soil to make it soft
- Add fertilizer to make soil rich
- Make ridges or beds for planting
Step 2: Planting
- Choose good quality seeds
- Plant at the right time (rainy season)
- Space seeds properly
- Cover seeds with soil
Step 3: Crop Care
- Watering: Give plants enough water
- Weeding: Remove unwanted plants
- Fertilizing: Add nutrients to help growth
- Pest control: Protect from insects and diseases
Step 4: Harvesting
- Wait for crops to mature
- Pick or cut crops at right time
- Handle carefully to avoid damage
- Collect all mature crops
Step 5: Storage
- Dry crops properly
- Store in clean, dry places
- Protect from rats and insects
- Package for sale or use
Tools Used in Crop Production
Hand Tools:
- Hoe – for weeding and making ridges
- Cutlass – for clearing land
- Watering can – for watering plants
- Basket – for carrying crops
Modern Tools:
- Tractor – for plowing large farms
- Planter – for planting seeds
- Harvester – for cutting crops
- Sprayer – for applying fertilizer
Importance of Crop Production
- Provides Food
- Gives us daily meals
- Supplies vitamins and nutrients
- Prevents hunger
- Creates Jobs
- Farmers work on crop farms
- People sell crops in markets
- Food processing companies employ workers
- Earns Money
- Farmers sell crops for income
- Nigeria exports crops to other countries
- Supports national economy
- Provides Raw Materials
- Cotton for making clothes
- Sugarcane for making sugar
- Palm fruits for making oil
EXERCISES
Exercise 1: Fill in the Blanks
- Crop production is the ________ of plants on farms
- ________ crops are grown mainly for eating
- ________ crops are grown mainly to sell for money
- Rice and maize are examples of ________ crops
Exercise 2: True or False
- All crops are grown for food only ____
- Yam is a root crop ____
- Cocoa is a food crop ____
- Crop production provides jobs ____
Exercise 3: Match the Crop Type
Draw lines to connect each crop with its type:
- Rice → Cash crop
- Cocoa → Vegetable
- Tomato → Food crop
- Orange → Fruit
Exercise 4: Crop Categories
Write “F” for Food crop, “C” for Cash crop, “V” for Vegetable, or “Fr” for Fruit:
- Cassava ____
- Cotton ____
- Pepper ____
- Mango ____
- Beans ____
Exercise 5: Choose the Right Answer
Circle the correct answer:
- Yam is used for: Pounded yam / Making clothes
- Cotton is grown to: Eat / Make clothes
- First step in crop production: Harvesting / Land preparation
- Cocoa is sold to make: Chocolate / Bread