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FACTORS OF SOIL FORMATION The factors that control soil formation include; climate, parent materials, topography, biotic factors (living organisms) and time. CLIMATE Climate refers to the average weather condition of a place measured over a long period of time. Elements of climate include sunlight, temperature, wind, relative humidity, rainfall and pressure. Rainfall: Running water as […]
ROCK WEATHERING The process of soil formation is referred to as weathering. Weathering is defined as the disintegration of rocks into smaller particles to form soil. PROCESSES OF ROCK WEATHERING The processes of soil formation (rock weathering) include: Physical process Chemical process Biological process PHYSICAL PROCESS OF ROCK WEATHERING Agents of physical weathering include temperature, […]
ROCK A rock is any mineral material of the earth. It may be a combination of different mineral elements such as silica (silica contain silicon and oxygen). TYPES OF ROCKS Rocks can be classified into three major groups based on how they are formed and their appearances. These include Igneous rock Sedimentary rock Metamorphic rock […]
MEANING OF AGRICULTURAL ECOLOGY Agricultural Ecology is defined as the study of crop plants and farm animals in relation to their environment. Ecology is derived from a Greek word “Oikos” which means home or dwelling place. In order words, agricultural ecology can be defined as a field of study which deals with the relationship of […]
CULTIVATION OF CEREALS MAIZE (Zeamays) RICE (Oryzasativa) Description Maize also called corn is a member of the grass family (Gramineae). It produces grains, use as food by human beings and livestock. The seed/fruit is called caryopsis. Rice is a member of the grass family (Gramineae). The seed/ fruit is called caryopsis Varieties / cultivar […]
Post planting operations are the operations carried out after planting. It creates a good condition and proper maintenance for plants growth. Post planting operations include the following: Thinning Supplying Irrigation/ watering Use of manure and fertilizer Mulching Weeding Harvesting Processing Storage, etc. Thinning This is the removal of excess, weak or not well positioned seedlings […]
PLANTING OPERATION These are the operations carried out when inserting the planting materials (cutting or seeds) into the soil. When seeds are sown in the soil, they develop root and shoots, this is called germination and the young plants that emerge are called seedlings. A seed when planted undergoes the following processes. Germination: the process […]
Planting operations are the operations carried out before planting while planting is the sowing of seeds and post-posting operations include thinning, supplying, irrigation, manuring, mulching and weeding. PRE-PLANTING OPERATIONS Land clearing: this is the removal of pre-existing vegetation on the farm land. It is carried out by cutting the vegetation and grasses with cutlasses or […]
A crop is a plant which is cultivated by man for some beneficial purposes. Crops can be classified based on (i) life cycle (ii)morphology (iii) uses. CLASSIFICATION BASED ON LIFE CYCLE The life cycle of a crop is the period from planting of seed to maturity of the crop. Based on life cycle, crops can […]
ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION (CROPAND ANIMAL DISTRIBUTION AND PRODUCTION) CLIMATE: This is defined as the average weather condition of a place measured over a long period of time. FACTORS OF CLIMATE: It includes rainfall, relative humidity, temperature, light, wind, pressure. Each of the factors has its own influence on agriculture. This is shown […]
LAND TENURE SYSTEM IN NIGERIA Land ownership ranges from individual ownership to communal ownership. In the individual ownership system, land is held by the family who can farm on it, build on it, pledge it for money or sell it. In communal ownership system, the land belongs to the community which may be an extended […]
LAND Land is man’s natural endowment (the gift of nature). It is the solid part of earth’s surface (the soil and its mineral resources) where production like farming and livestock management takes place. GENERAL CHARACTERISTICS OF LAND It is fixed in supply and its value rise steadily in response to increasing demand for it. The […]
MEANING OF AGRO-ALLIED INDUSRIES Agro-allied industries/Agro-based industries are industries which depend on agriculture for their raw materials in order to operate successfully. In other words, agro-based industries require the supply of agricultural raw materials in order to provide some finished products that are essential for human and animal consumption. EXAMPLES OF AGRO-ALLIED INDUSTRIES AND […]
Science and Technology has played significant roles in the development of agriculture in Nigeria and many other countries of the world. These roles include Modern farm machinery: – The development of modern farm implement such as tractor, plough, planter, harvester, sheller to replace old simple tools such As hoe and cutlass has been made possible […]
ROLES OF GOVERNMENT IN AGRICULTURAL DEVELOPMENT Agricultural activities are controlled or directed in one way or the other by government through their ministries of agriculture. They draw up policies and programmes, they make regulations for those concerned with agricultural development, they grant loans or credit facilities and subsidy, finance research, establish farm settlements and supply […]
Inadequate Land / Land Tenure System There is problem of enough agricultural land production as a result of situation arising from the system of land. Land is communally owned in Nigeria and no person can lay sole right over the land. People who have capital find it difficult to obtain land for investment. SOLUTION (i) […]
SUBSISTENCE AGRICULTURE Subsistence agriculture is defined as the type of agriculture which is concerned with the production of food (cultivation of crops and rearing of animals) by the farmer to feed himself and his family only. It is also known as peasant farming because it is practiced by poor farmers. It is done on a […]
MEANING OF AGRICULTURE Agriculture is the art and science (or management) that deals with the cultivation of crops and the rearing of animals for man’s use. This means, it refers to all the activities involving cultivation of soil for the production of crops and livestock management to the distribution and marketing of the plant and […]
MANAGEMENT OF RUMINANT [CATTLE] Cattle Breeds of cattle Terms used in cattle management Characteristics of cattle System of rearing cattle Feeding of cattle Management of cattle Cattle are ruminant animal (they have complex or complicated stomach structures). Cattle have hollow horns and hoofs. They are reared for meat, milk, hide and skin, manure and […]
MANAGEMENT OF A MONOGASTRIC ANIMAL (PIGS) Terms used in pigs management Breeds of pigs Characteristics of pigs System of rearing pigs Housing, feeding and hygiene Management of pigs Pigs are non-ruminant animals in the genus sus, within even-toed ungulate family suidae. They are primarily reared for meat. TERMS USED IN PIGS MANAGEMENT Boar: a […]
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