Fish Processing and Preservation Methods

Length: 0 minutes

<h1><strong>PRESERVATION OF FISH</strong></h1> CONTENT <ol> <li>Meaning of Fish Preservation</li> <li>Methods of Fish Preservation</li> </ol> <h2><strong>Meaning of Fish Preservation</strong></h2> Fish preservation is the way of taking good care of fish after it has been captured in order to prevent it from going bad. Methods of preserving fish include the following: <h2><strong>Methods of Fish Preservation</strong></h2> <ol> <li>Sun drying: Removes water by evaporation and its cheap.</li>

Pre-planting Operations

Length: 0 minutes

<h1><strong>PRE-PLANTING OPERATIONS </strong></h1> CONTENT <ol> <li>Definition of Cultural Practices</li> <li>Types of Cultural Practices</li> <li>Pre-planting Operations</li> </ol>   <h2><strong>Definition of Cultural Practices</strong></h2> Cultural practices or operations refer to all the operations carried out on the farm from the beginning of the farming season to the end of the season. <h2><strong>Types of Cultural Practices</strong></h2> Cultural operations can be classified as; <ul> <li>Pre-planting operations</li> <li>Planting operations</li> <li>Post-planting operations</li> </ul> <h2><strong>Pre-planting Operations</strong></h2> These are the farming activities carried out before planting is done. These activities are carried out to prepare and make the soil conducive for the crop to be planted. <strong>Pre-planting operations in sequence are: </strong>selection of the site, surveying of the soil and land measurement, clearing, stumping, field plotting or farm layout, tilling or ridging, ploughing, harrowing, nursery and nursery practices. <h3>1. <strong>Selection or Choice of Site</strong></h3> The site selected should suit the purpose of production in term of size, fertility of the soil, topography, accessibility, availability of water <h3><strong>Factors Guiding the Siting or Choice of (Location) of a Farm</strong></h3> The success of a farm depends partly on the characteristics of the site on which the farm is located. Therefore, when choosing the site for a farm, a farmer considers the following important factors: (i)<strong> Availability of land</strong>: The size of the farm depends on the amount of land available.

Risk Factors in Water and Fish Farming

Length: 0 minutes

<h1><strong>RISK FACTORS IN WATER AND FISH FARMING</strong></h1> CONTENT <ol> <li>Risk Factors in Water and Fish Farming</li> <li>Fishing Tools</li> </ol>   <h2><strong>Risk Factors in Water and Fish Farming</strong></h2> These have to do with factors that are capable of causing water pollution and danger to fish and other aquatic organisms. Some of the risk factors in water and fish farming include: <h3>1. <strong>Use of chemicals</strong></h3> When residues of these chemicals used by farmers in farming activities are washed by rain water into a nearby river, stream, pond etc. that body of water will be contaminated and the lives of the fish in such water body will be at risk.

Planting Operations

<h1><strong>PLANTING OPERATIONS</strong></h1> CONTENT <ol> <li>Meaning of Planting Operations</li> <li>Planting Operations</li> </ol>   <h2><strong>Meaning of Planting Operations</strong></h2> These are operations associated with the actual planting or sowing of the planting materials. <h2><strong>Planting Operations</strong></h2> Planting operations include the following: <ol> <li>Seed treatment</li> <li>Determination of planting distance/spacing</li> <li>Determination of seed rate</li> <li>Determination of planting date</li> <li>Determination of planting depth</li> <li>Determination of methods of planting.</li> </ol> <h3><strong>Seed Rate</strong></h3> Seed rate is the amount or quantity of seeds or planting material used on a hectare of land. It is expressed in kilogram per hectare (kg/ha) in the case of seeds and in number of stands per hectare for vegetative propagation. NB: Calculation required

Forest and Forest Uses: Meaning and Types of Forests

Length: 0 minutes

<h1><strong>RISK FACTORS IN WATER AND FISH FARMING</strong></h1> CONTENT <ol> <li>Risk Factors in Water and Fish Farming</li> <li>Fishing Tools</li> </ol>   <h2><strong>Risk Factors in Water and Fish Farming</strong></h2> These have to do with factors that are capable of causing water pollution and danger to fish and other aquatic organisms. Some of the risk factors in water and fish farming include: <h3>1. <strong>Use of chemicals</strong></h3> When residues of these chemicals used by farmers in farming activities are washed by rain water into a nearby river, stream, pond etc. that body of water will be contaminated and the lives of the fish in such water body will be at risk. <h3>2.<strong> Discharge of petroleum oil into water bodies</strong></h3> Accidental or deliberate discharge of petroleum oil into water bodies can be a major risk factor in marine ecosystem <h3>3. <strong>Industrial effluents and sewage discharge </strong></h3> Industrial effluents discharged from food processing plants, paper mills, breweries, tanneries etc. into small and large water bodies can pollute the fish environment and have negative impact on aquatic ecosystem. <h3>4. <strong>Domestic waste</strong></h3> Waste water resulting from domestic sewage (human faeces and urine, small washing, food processing or preparation and cleaning of utensils) that are in most cases channeled into water bodies can cause depletion of oxygen   <h2><strong>Fishing Tools</strong></h2> The fishermen used different types of fishing in Nigeria. The most common ones among others are: <ol> <li>Hooks and Lines or Rod and Line</li> <li>Nets (Cast and Throw Nets, Gill Nets, Seine Nets, Lift Nets, scooping net, clap net)</li> <li>Spears (Harpoons)</li> <li>Gourds</li> <li>Fishing Cages</li> <li>Baskets</li> <li>Pots</li> <li>Fishing spears</li> <li>Fishing trap</li> </ol>   <strong>EVALUATION</strong> 1. Explain the following risk factors in water and fish farming. (i) Accidental discharge of petroleum oil into water bodies. (ii) Use of chemicals such as Gamalin 20 to harvest fish.

Post-planting Operations

Length: 0 minutes

<h1><strong>POST-PLANTING OPERATIONS</strong></h1> CONTENT <ol> <li>Meaning of Post-planting Operations</li> <li>Post-planting Operations</li> </ol>   <h2><strong>Meaning of Post-planting Operations</strong></h2> These are the operations carried out after planting. They include thinning, supplying, mulching, manure/fertilizer application, weeding, control of pests and diseases, harvesting, processing, storing and marketing. <h2><strong>Post-planting Operations</strong></h2> Post-planting operations include the following: <ol> <li>Thinning</li> <li>Supplying</li> <li>Mulching</li> <li>Capping</li> <li>Fertilizer and manure application</li> <li>Weeding</li> <li>Staking</li> <li>Pruning and trimming</li> <li>Control of pests and diseases</li> </ol> <h3>1.<strong> Thinning</strong></h3> This is the removal of extra seedlings from a stand to give room for others to grow. The weakest plants should be carefully pulled up without damaging the remaining ones.

Forest Resources and their Uses

Length: 0 minutes

<h1><strong>FOREST RESOURCES AND THEIR USES</strong></h1> CONTENT <ol> <li>Forest Resources</li> <li>Examples of Resources Found in the Forest</li> <li>Forest Resources and their Uses</li> </ol> <h2><strong>Forest Resources</strong></h2> There are numbers of useful materials which are derived from the forest. The usefulness of each is determined by the culture, taste, environment and the level of social and industrial development the following are some examples of resources found in the forest: <h2><strong>Examples of Resources Found in the Forest</strong></h2> The following resources can be found in the forest:

Effects of Timely Harvesting Versus Late Harvesting

Length: 0 minutes

<h1><strong>EFFECTS OF TIMELY HARVESTING AND LATE HARVESTING</strong></h1> CONTENT <ol> <li>Meaning of Harvesting</li> <li>Harvesting Techniques</li> <li>Effect of Late Harvesting</li> <li>Effect of Timely Harvesting</li> </ol> <strong> </strong> <h2><strong>Meaning of Harvesting</strong></h2> Harvesting is the removal and gathering of mature crops for processing and storage. The sign of maturity differ for different crops. For crops like yam, cocoyam and ground nut, maturity is signified when most of their leaves are turn into yellow and drying. The purpose of production also affects the maturity, the stage at which the crop is to be used. For example, maize meant to be eaten fresh is generally harvested green while that meant for storage is harvested dried. <h2><strong>Harvesting Techniques</strong></h2> The following are techniques used in harvesting: <ol> <li>Tapping: rubber</li> <li>Cutting: cocoa pods, oil palm fruits and coconut fruits</li> <li>Digging: yam, cocoyam and potato.</li> <li>Uprooting: groundnuts and cassava</li> <li>Picking: cotton bolls.</li> </ol> <h2><strong>Effects of Late Harvesting</strong></h2> The effects of late harvesting include the following:

Effects of Forest on the Environment

Length: 0 minutes

<h1><strong>EFFECTS OF FORESTS ON THE ENVIRONMENT</strong></h1> CONTENT <ol> <li>Other Uses/Benefits of Forest Resources</li> <li>Importance of Forest</li> <li>Effects of Forest on the Environment</li> </ol>   <h2><strong>Other Uses/Benefits of Forest Resources</strong></h2> There are some other benefits of the forest which cannot be quantified in terms of monetary value but which is of great importance to people. These are: <ol> <li>Forest checks erosion of soil.</li> <li>It provides man with sources of food, shelter and protection.</li> <li>It is a source of raw materials for industries.</li> <li>It provides good sources of foreign exchange earnings.</li> <li>Forest resources provide recreational facilities.</li> <li>It provides employment opportunities for people as guards.</li> <li>Forest provides shelter for wildlife and serves as a tourist centre.</li> <li>Forest provides medicinal herbs.</li> <li>It is an important source of fuel for people.</li> </ol> <br> <h2>Importance of Forest</h2> The following are the importance of forest:

Post-harvesting Operations

Length: 0 minutes

<h1><strong>POST-HARVESTING OPERATIONS</strong></h1> CONTENT <strong>Post-Harvesting Operations</strong> <ol> <li>Farm Level Processing - Methods of Processing; Importance of Processing</li> <li>Storage - Meaning of Storage and Importance of Storage</li> <li>Marketing</li> </ol>   <h2><strong>Post-Harvesting Operations</strong></h2> Post-harvesting operations include the following: <ol> <li>Farm level processing</li> <li>Storage</li> <li>Marketing</li> </ol> <h3>1.<strong> Farm Level Processing</strong></h3> These are series of activities used in converting harvested farm produce into clean and marketable forms. After harvesting, crops need to be processed so that they can be consumed or stored for future use. <h4><strong>Methods of Processing</strong></h4> (i) Shelling (ii) Dehusking

© [2022] Spidaworks Digital - All rights reserved.