What is soil structure and types of s=structure. Definition of s-structure. S-structure is defined as a structure referring to the ways in which the different particles of the soil are packed or arranged in order
This also refers to the shape and arrangement of primary particles to form compound particles
Structure has a direct effect on crop yield and production. If they soil structure is good, I will circulate and waterlogging will reduce dramatically including erosion.
so the structure of the soil can be preserved in the following ways
So s-structure can be preserved through planting of cover crops in the Farm
The use of mulching materials is very key in the preservation of soil structure
We can also apply manure green manual liming to preserve soil structure
In order to avoid spoiling the soil structure of a given land we should avoid overgrazing the area
Avoidance of clean clearing with machines is necessary to avoid exposing the soil to erosion
I want to list all types of structure has to be found in agricultural science
TYPES OF SOIL STRUCTURE
Here is a list of the types of soil structure that can be obtained anywhere in the world
Single grain structure. In this type of structure their primary particles exist in single form and are not cemented together it is found in sandy soil
Crumb Structure- this type of soil structure exist in large gravels of tones embedded within the primary particles which are cemented together it is found in the topsoil
Plate like soil structure- this primary structure known as plate like structure is the primary site particles that are arranged in horizontal and flat method resembling plate or reflex on top of each other it is commonly found in the subsoil
Spheroidal structure- spheroidal soil structure is also referred to as granola structure the particles are cemented together in a circular form with lots of spaces it is commonly found in topsoil
The prismatic soil structure- this type of soil structure could be columnar or prismatic. This type of structure of the Soul is just like steroidal structure which have a spaces when the top ones are around there are columnar when they are flat just like a prism if they are prismatic it is found in subsoil
Like soil structure- the aggregate are like blocks whose edges are irregular and maybe either be sharp or round. It is commonly found in the subsoil
General Importance of soil Structure
The following are if you list of the general importance of soil structure to agricultural production
Solid structure helps to determine the level of fertility of the soil
Another very importance of soil structure is that it also prevents soil erosion and water logging
A good soil structure will promote the activities of soil microorganisms
A dependable structure that is good for farming activities will always support the growth of crops to a maximum degree
Every good soil structure will always have the capacity to retain water and moisture for plant growth
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- economic tools for nation building
- factors affecting the expansion of industries
- mineral resources and the mining industries
- RINDER PESTS
148. NEWCASTLE DISEASE
149. BACTERIA DISEASES
153. FUNGAL DISEASES
Agriculture has many components or branches.
The most important components are:
- Crop production: This is the branch of agriculture which is concerned mainly with the cultivation of crops. Crop production is grouped into two major categories: Food crops and Cash crops.Food Crops are cultivated to provide food for the population or mainly for consumption. Examples of food crops are rice, maize, groundnut, vegetables, yam, cassava, etc. Cash Crops on the other hand are cultivated mainly for sale. In other words, cash crops are produced basically for exports to earn income or foreign exchange for the economy and for industrial uses. Examples of cash crops are cocoa, orange, rubber, cotton and oil palm.
- Livestock farming: Livestock farming involves the rearing of animals either for consumption or for sale. Livestock are cattle, sheep, goat, donkey, poultry,rabbits, snail and grass cutter. These animals are reared for many purposes, e.g meat, for cash, transport and sport.
- Forestry: Forestry is the art of planting tending and managing forest, including the utilization of their products. Most of the trees found in the forest are either growing naturally or planted for specific purposes. Some common tree usually found in the forest areIroko, Obeche, Mahogany, Ebony, Opepe, Afara and Teak. Forest is important for the provision of food, fuel, medicinal herbs, employment, wild life, foreign exchange, timber and pulp for making of paper.
- Fish farming: Fish farming is the act of rearing selected species of fish under scientifically controlled conditions in enclosed bodies of water such as ponds, streams rivers, ocean, etc. where they feed, grow, breed and are harvested for consumption or for sale. Fishing provides food, employment, income and foreign exchange to many nations, especially when fish are exported to other countries.
14.4 SYSTEM OF AGRICULTURE
The systems of agricultural production include the following:
- Peasant farming: Peasant farming also referred to as subsistence farming is defined as the type of agriculture which is concerned with the production of food for the farmer and his family. In other words, it is a system of farming whereby a farmer cultivates crops and rears animals in order to produce food for use by himself and his family only.
Some of the features or characteristics of peasant farming include the following:
It requires a small area of land
Family labour is usually employed
The yield obtained from such small farm is usually low.
Crude implements like cutlass, hoe etc are usually employed.
There is usually little or none left for sale.
It requires small capital to operate.