Topics in Agricultural ScienceTypes 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 farming Importance of forest: Forest reserves in Nigeria Wildlife reserves in Nigeria and its importance Prevention and Control of Crop Pests Economic Importance of Crop Pests Classification of Insect Pests and their Economic Importance Agricultural machines and their uses Causes of soil erosion Ways to prevent soil erosion Asexual Propagation in Plants, Types and Examples Differences between gymnosperms and angiosperms Scheme of Work, Agricultural Science, SS1, First Term Scheme of Work, Agricultural Science, SS1, Second Term Scheme of Work, Agricultural Science, SS1, Third Term
Academic Questions in Agricultural Science
All plants are crops.
In agriculture, macronutrients are essential nutrients required by plants. Which of the following is not a macronutrient?
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
Cordage is made from _____ crop.
F. Vegetables and Spice
_____ is defined as the solid and arable part of the earth where agricultural activities are be carried out.
C. Agricultural land
E. Open land
F. Planting and grazing land
Gymnosperms and angiosperms are seed bearing plants under the division spermatophyta?
Which of the following is false concerning gymnosperms?
A. Cones are present
B. Sepals are present
C. Petals are absent
D. Only seeds are produced
E. Sporophyll form the cones
F. In seed formation, the ovules aren't present in the ovary
A forest is defined as an ecosystem dominated by a variety of trees and animals.
Please read more on the concept of an ecosystem here
Allowing agricultural land to grow into forests can prove significant for the following reasons:
Forest becomes the source of wood which is useful for a variety of purposes. For example, constructions, furniture, paper, buildings and so on.
Please read on wood, hardwood and softwood here.
Forest plants are medicinal in value.
You can read on the differences between plants and crops here.
It preserves different species of animals.
Forest can act as windbreaks. Water erosion can also be prevented via a forest.
You can read on soil erosion here.
It acts as a source of livelihood for hunters.
Forest can generate foreign exchange for a country through export of its product.
Forest animals can serve as means of tourism.
You can attempt various questions on Len Academy here
A forest reserve refers to a set aside and preserved area of forest by the government (of a state or region) to be used as a national park or tourist attraction centers. For this reason, commercial harvesting of wood and killing of animals are prohibited in forest reserve centers.
The image below shows the various national parks (forest and wildlife reserves) in Nigeria.
You can read more on wildlife reserves in Nigeria here.
Below are some important forest reserves in Nigeria:
Anara Forest Reserve in Kaduna State.
Shasha River Forest Reserve in Ogun State.
Oluwa Forest Reserve, Ondo State.
Oba Hills Forest Reserve in Osun State.
Sanga Forest Reserve in Plateau State.
Ise Forest Reserve, Ekiti State.
Sapoba Forest Reserve in Edo State.
Omo Forest Reserve in Ogun State.
Akure Forest Reserve, Ondo State.
Edumanom Forest Reserve, Bayelsa State.
Okomu Forst Reserve, Edo State.
Idanre Forest Reserve, Ondo State.
Okeluse Forest Reserve.
You can read on agricultural uses of land 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 the classification of crops based on their uses:
Drug and Medicinal crops
Root and Tubers
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.
Below are some of the problems of agriculture in Nigeria:
Lack of mechanized farming
Poor government policies
High cost of fertilizers
Lack of education
Lack of storage facilities
Bad road network
Poor research facilities
Please read a detailed explanation on the problems of agriculture in Nigeria here.
Secateurs are agricultural tools.
Secateurs are also referred to as pruning shears or hand pruners.
It looks like a pair of scissors.
It’s used for trimming flowers and leaves.
It is also used for pruning the branches of shrubs.
An example of an agricultural tool is the hoe. It is shown below:
We have a variety of hoes.
They are generally used for tilling the soil.
They are used for making trenches in farmlands.
A hoe is utilized in harvesting crops like yam and cocoyam
They are also used for cutting weeds on farmlands.