Alfred Ajibola
- 10th January, 2023 @ 01:49 PM
Topics in Agricultural Science
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 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 ExamplesAcademic 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 farming refers to an agricultural business involving the growing of crops and rearing of animals with the aim of selling them to make profit. Commercial farming can also be termed as agribusiness.
Please read the introduction to commercial farming here.
Below are 13 characteristics of commercial farming:
Commercial farming is practiced on large farmlands. This land can span hundreds of acres.
Please read on agricultural land and its uses here.
The ultimate aim of commercial farming is to make profit from the crops produced and animals reared.
It is capital intensive to start and run.
One type of crop may be grown on many hectares of land (mono cropping), giving rise to plantations.
Agricultural machines are always required in commercial farming.
Please read on agricultural machines and its uses here.
It requires the use of agrochemicals like fertilizers, insecticides and pesticides in large quantities.
The best of seeds and animal species are selected and utilized for commercial farming. Also, the agrochemicals are usually of high yielding varieties. This is crucial towards reducing its negative effects on the atmosphere and environment at large.
Please read on the functions of the atmosphere here.
Commercial farming are often managed by large companies due to their large scale production of crops intended for use and distribution, both locally and overseas.
Individuals can also embark on commercial farming as long as they have the experience, expertise and capital to commence and run the business.
Please read on sole proprietorship here.
Skilled labourers are hired and wages (or salaries) are paid.
Commercial agriculture usually requires advanced storage and other processing facilities.
You can read the concept of division of labour here.
The products of commercial farming serves as food for man, raw materials for industries and generation of foreign exchange into the country.
Use of advanced technologies is a crucial part of commercial farming. For this reason, commercial farming is practiced throughout the year. As an instance, the farmers do not have to wait for the rainy seasons since a properly implemented irrigation system can substitute for the rains.
Please read on subsistence farming explained with its characteristics 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.
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