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This is the complete lecture note for CPS 306 Crop Processing and Storage. You can read it online below, open it in the full viewer, or download the PDF for offline study. It pairs with the course's video lectures, so you can read and watch together.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Course code: CPS 306 Course title: Crop Processing and Storage Course credit load: 1 Unit Series 1: Familiarisation with Crop Processing Facilities Outline Part 1.1: Introduction to crop processing facilities Sub-Part 1.1.1: Definition and importance of crop processing facilities Sub-Part 1.1.2: Categories of facilities (manual, semi-mechanised, mechanised) Part 1.2: Types of facilities for different crop produce Sub-Part 1.2.1: Facilities for cereals and grains Sub-Part 1.2.2: Facilities for root and tuber crops Sub-Part 1.2.3: Facilities for fruits and vegetables Part 1.3: Safety and operational considerations in crop processing facilities Sub-Part 1.3.1: Basic safety measures in facility use Sub-Part 1.3.2: Maintenance and hygiene practices Sub-Part 1.3.3: Efficiency and sustainability in facility operation Introduction Crop processing facilities are the backbone of agricultural value addition. Without them, harvested produce would remain in its raw state, often perishable and difficult to market. By familiarising yourself with these facilities, you gain insight into how crops are transformed into usable forms, preserved for longer periods, and prepared for both local and international markets. This knowledge is essential for anyone seeking to understand the full chain of crop utilisation and storage.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS The aim of this Series is to introduce you to the different types of crop processing facilities, their functions, and the basic operational and safety considerations that guide their use. By the end of the Series, you will be equipped with foundational knowledge that prepares you for more advanced processing and packaging methods in subsequent Series. We shall commence this Series by examining the concept of crop processing facilities, including their definition, importance, and categories. Next, we will explore the types of facilities used for different crop groups such as cereals, root and tuber crops, and fruits and vegetables. Finally, we will wrap up by considering safety, maintenance, and sustainability practices that ensure these facilities operate effectively and responsibly. Series Learning Outcomes Upon completing this Series, you should be able to: SLO 1.1 define crop processing facilities and explain their importance in agricultural value addition, SLO 1.2 classify crop processing facilities into manual, semi-mechanised, and mechanised categories, SLO 1.3 describe the types of facilities used for cereals, root and tuber crops, and fruits and vegetables, SLO 1.4 identify basic safety measures required in the operation of crop processing facilities, SLO 1.5 explain maintenance and hygiene practices that ensure effective facility use, and SLO 1.6 evaluate efficiency and sustainability considerations in the operation of crop processing facilities. 1.1 Introduction to Crop Processing Facilities 1.1.1 Definition and importance of crop processing facilities Crop processing facilities are structures, equipment, or systems designed to handle harvested produce and transform it into forms that are easier to store, transport, and market. They are important because they add value to crops, reduce post-harvest losses, and ensure that produce meets the quality standards required for local and export markets. Without such facilities, much of the harvested produce would spoil quickly or remain unsuitable for wider consumption.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Fill in the blank: Facilities that transform harvested produce into forms easier to store and market are called __________. Figure 1.1 Role of crop processing facilities in crop utilisation 1.1.2 Categories of facilities (manual, semi-mechanised, mechanised) Crop processing facilities can be grouped into three categories. Manual facilities rely on human effort, such as hand pounding or sun drying. Semi-mechanised facilities combine human effort with simple machines, for example pedal-operated threshers or small milling devices. Mechanised facilities use advanced machines powered by electricity or fuel, such as large grain mills or automated fruit processing lines. Each category has its advantages and limitations, often determined by cost, scale of production, and availability of technology. Fill in the blank: Facilities that rely entirely on human effort, such as hand pounding, are called __________ facilities. Category Characteristics Examples Manual facilities Labor-intensive, low-cost, small-scale, limited efficiency Hand threshing, mortar and pestle, manual grain cleaning Semi-mechanised Combination of manual labor and simple machines, moderate efficiency, medium scale Small mills, pedal threshers, mechanical shellers Mechanised facilities Fully automated or machine-driven, high efficiency, large-scale production Combine harvesters, industrial rice mills, oilseed processing plants
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Table 1.1 Categories of crop processing facilities Pilot questions 1.1 What are crop processing facilities? State one importance of crop processing facilities. Name the three categories of crop processing facilities. Give one example of a manual facility. Which category of facility uses advanced machines powered by electricity or fuel? 1.2 Types of Facilities for Different Crop Produce 1.2.1 Facilities for cereals and grains Cereals and grains such as maize, rice, and wheat require specialised facilities for cleaning, drying, threshing, and milling. Threshing machines separate grains from stalks, while grain dryers reduce moisture content to safe storage levels. Milling facilities transform grains into flour or other usable forms. These facilities are vital because cereals are staple foods, and improper processing can lead to contamination or spoilage. Fill in the blank: Machines that separate grains from stalks are called __________ machines.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Figure 1.2 Facilities for cereal and grain processing 1.2.2 Facilities for root and tuber crops Root and tuber crops such as cassava, yam, and potatoes require facilities for peeling, slicing, drying, and grinding. For example, cassava processing often involves graters and presses to remove excess water before drying and milling into flour. Yam and potato facilities may include peeling machines and storage structures that reduce sprouting. These facilities help extend shelf life and create diverse products such as flour, chips, and starch. Fill in the blank: Cassava processing often involves the use of __________ to remove excess water before drying.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Plate 1.1 Cassava processing facilities 1.2.3 Facilities for fruits and vegetables Fruits and vegetables are highly perishable and require facilities that focus on preservation and packaging. Common facilities include washing stations, sorting and grading units, and cold storage rooms. For juice production, facilities may include extractors and pasteurisers. These facilities ensure that fruits and vegetables maintain freshness, nutritional quality, and market appeal. Fill in the blank: Facilities that maintain freshness and nutritional quality of fruits and vegetables are called __________ rooms.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Figure 1.3 Facilities for fruit and vegetable processing Pilot questions 1.2 Name one facility used for processing cereals and grains. What is the function of a grain dryer? State one facility used in cassava processing. Which facility helps reduce sprouting in yam and potato storage? What type of facility is used to preserve fruits and vegetables for longer periods?
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