Alfred Ajibola
- 10th January, 2023 @ 01:49 PM
Topics in Agricultural Science
Soil formation in agricuture Economic empowerment through agricuture Management as a factor of production in agriculture Labor as a factor of production in agriculture Finance as a factor of production in agriculture Water as a factor of production in agriculture Land as a factor of production in agriculture Len Academy Agricultural Science midterm questions for JSS1, 2nd term Len Academy Agricultural Science midterm questions for jss2, 2nd term Clay soil explained with its types and characteristics Loamy soil explained with its characteristics Sandy soil: Characteristics of sandy soil and ways to make it fertile Soil explained with its composition Types of agricultural practices Crop rotation explained Benefits of crop rotation Differences between subsistence and commercial farming Subsistence farming explained with its characteristics What is commercial farming? Types of commercial farming Characteristics of commercial farmingAcademic Questions in Agricultural Science
The ideal pH for the optimum growth of most agricultural crop is between _____.
A. 1 – 3.5
B. 4 – 5.5
C. 6 – 7.5
D. 8 – 9.5
E. 10 – 11.5
F. 12 – 13.5
People who go about their lives by raising and herding livestock such as cattle, sheep and goats are said to practice _____.
A. Pastoralism
B. Pasturalism
C. Herding
D. Herdsmen
E. Animalism
F. Anime Farming
The act of giving birth in pigs is called _____.
A. Calving
B. Piggery
C. Kidding
D. Farrowing
E. Calfing
F. Pigging
Which of the following is not a vegetable?
A. Cashew
B. Cocumber
C. Tomatoes
D. Carrot
E. Squash
F. Eggplant
All plants are crops.
A. True
B. False
In agriculture, macronutrients are essential nutrients required by plants. Which of the following is not a macronutrient?
A. Zinc
B. Sulphur
C. Calcium
D. Phosphorus
E. Potassium
F. Magnesium
Which of the following is false concerning micronutrients?
A. They are non-essential nutrients
B. They are required by plants in minute quantities
C. Iron is a micronutrient
D. Chlorine is a micronutrient
E. Copper is a micronutrient
F. Boron is a micronutrient
_____ is a term that describes the biological, chemical and cultural control tactics employed to make pest management economical, environmentally friendly and socially acceptable.
A. Integrated Pest Management
B. Integral Pest Management
C. International Pest Management
D. Inclusive Pest Management
E. Imbibed Pest Management
F. Inclusion Pest Management
Commercial agriculture is defined as a type of farming whereby crops are grown and animals reared for selling purposes, that is; in order to make profit. It is purely an agricultural business, and thus may also be referred to as agribusiness.
Crops planted for commercial farming include wheat, oil palm, cocoa, rubber, cotton, sugarcane, cashew, rice and maize. These may be sold locally (within the country), or exported to other countries.
Animals reared for the purpose of commercial farming include poultry, cattle, sheep, goats, pigs, fishes and snails.
Please read on how to start a home based fish farming here.
Crops planted and animals reared through commercial farming serves as food for man, raw materials for industries and source of foreign exchange. For instance, cotton is a product of commercial farming; and it serves as a raw material in the textile industry. It may also be exported to other countries, generating foreign exchange through the process.
Please read on subsistence farming explained with its characteristics here.
Animal skin (hides and skin) serves as raw materials in commercial quantities for the production of bags, shoes and belts. Also, these animals may be sold as food for man.
Commercial farming can be categorized into different types or forms. They include:
Crop Farming: This involves the farming of commercial crops like grains, fruits and vegetables in large quantities. Examples of grain crops include wheat, corn, barley and rice.
Please read on the differences between plants and crops here.
Dairy Farming: It involves the rearing of animals for the purpose of their milk. These animals include cattle, sheep and goats. Milk serves various purposes in our daily lives, and can further be processed into a variety products; for example, butter and cheese.
Livestock Farming: This is a commercial farming that focuses on meat production. Animals reared for this purpose include cattle, sheep, goats and pigs.
Poultry Farming: This Is a form of animal husbandry whereby birds like chickens, turkey and geese are reared for their meat or eggs. Report has it that over 60 billion chickens are consumed annually.
Please read on how to start a home based fish farming here.
Plantation Farming: A plantation refers to a large piece of land on which specialized cash crops are planted for commercial purposes. Examples of plantations include, cocoa, wheat, cashew, oil palm and rubber plantations respectively.
Mixed Farming: Crops and animals are grown on the same piece of land. These crops may be grown to feed the animals. On the other hand, dung (waste from animals) serves as manure for the soil, supporting the crop's growth. However, the animals are reared for commercial purposes.
Please read the characteristics of commercial farming here.
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Amazing facts in Agricultural Science
Cows technically have one stomach, not four. However, a cow's stomach has four compartments. These are: rumen, reticulum, omasum and abomasum
Peanuts are legumes and not nuts
Although plants neither see nor hear, they can recognize their siblings and even give them preferential treatments
Squirrels do plant more trees (through their actions) than an average human in their lifetime. They often hide their acorns and nuts underground and forget about them
Cows have got the ability to walk up stairs, but not down stairs
A group of cows is called a team, drove or herd.
People just prefer to call them herd
Notable points in Agricultural Science
Below are characteristics of gymnosperms:
Their seeds have cones that protect them.
Sepals and petals aren't present in their cones.
Stigma and style are absent.
They do not produce fruits. Only seeds are formed.
Companion cells are absent.
Sporophyll form the cones.
Anther and filament are absent.
The ovules are not present in the ovary.
Gymnosperms do not possess flowers.
Please read on the anatomical differences between gymnosperms and angiosperms here
The flower is the reproductive organ in plants' sexual reproduction. In order to achieve a successful sexual propagation or reproduction in plants, the floral parts of the flower are utilized.
The floral parts of a flower consists of the followings:
Sepals
Petals
Stamen
Carpel
The stamen is male portion of a plant. It consists of the anther and filament.
The carpel (or pistil) is the female portion of the plant. It consists of the stigma, style and ovary.
An organism will be considered a pest if it does one of the followings:
Attack crops and eat its seeds, roots, stem, leaves and flowers. Examples are locust and grasshoppers.
Cause damage to stored food, fruits or other agricultural produce. Some may even urinate or deaficate on these products. Examples are rodents, cockroaches and mice.
Attack and kill farm animals like goats, sheep and cattle. Examples are foxes, wild cats and snakes.
Act as disease vectors. A vector is an organism that carries parasite and other disease causing organisms, without being affected; but when they introduce the parasites into their host, such host becomes infected with disease. Examples of vectors are rodents and mosquitoes.
Below are the classification of crops based on their uses:
Oil crops
Vegetable crops
Latex crops
Drug and Medicinal crops
Beverage crops
Fibre crops
Fruit crops
Root and Tubers
Legumes
Spices
Cereals
All crops are plants but not all plants are crops. Below are some instances:
Weeds are considered as plants, not crops.
Parasitic plants are not necessarily crops. Examples of parasitic plants include mistletoe, corpse flower and striga.
Carnivorous or insectivorous plants are not necessarily crops. Examples are sundew, venus flytrap and pitcher plant. The image below shows a carnivorous plant (venus flytrap).
Meanwhile, always understand that all crops are plants, and they are grown for food, money or something beneficial.