factors affecting the shelf life of fruits and vegetables

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tashkent institute of irrigation and agricultural mechanization engineers national research university factors affecting the shelf life of fruits and vegetables teacher xasanova xolida ibodullayevna factors affecting the shelf life of fruits and vegetables plan i. factor of vegetables ii. processes in fruits iii. advantages and disadvantages iv. importance agricultural products are stored in various ways. structures and buildings where fruits and vegetables, as well as various seeds and other products, are stored, are called warehouses. they are temporary and permanent. temporary warehouses include piles, trenches, pits, etc. permanent warehouses are one-story rectangular and built on or below the ground (1.5-2 m) and made of concrete or brick. depending on the storage methods, agricultural products are divided into the following groups: 1. warehouses with natural ventilation. 2.refrigerators with controlled atmosphere. 3. refrigerators with artificial cooling. 4. cooling with outside air using a fan. 5. icehouses and ice warehouses. depending on the …

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ehouses are being built in many foreign countries. in them, the grain brought by truck is unloaded directly into the threshing floor using special equipment attached to tractors (figure 1). the threshing floors are unloaded as follows. the grain is transferred from the threshing floor through a chute to the lower part of the belt conveyor, and is directed to one side or the other using buckets. also, if the conveyor is not working, unloading or loading is carried out using hand carts or a mobile auger. goods handling equipment. transport equipment includes the following: belt, plate, screw, roller, pneumatic, hydraulic and other conveyors, pumps; cargo trolleys and loaders, electric hoists and cranes. in production workshops and warehouses, large loads are transported using mechanical trolleys, auto and electric forklifts, stacker cranes. trolleys are used to transport bags, boxes, barrels. conveyors are of various types and are widely used in all …

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de larger, 3-3.5 m wide and 1.5 m high. root crops are stored much better in special warehouses. in such warehouses, they are stored in boxes and containers and stacked 1.5 m thick. 30-40 kg containers can also be used for storing cabbage. storing cabbage in perforated polyethylene bags also gives good results. tomatoes are stored in boxes in warehouses. in this case, the boxes are placed in two rows in width, eight to ten on top, and as long as desired. it is recommended to leave a 0.6-1.5 m aisle between the rows and a 5-10 cm gap between the boxes. the timing and quality of cucumber picking are of great importance in its storage. violation of the picking technology leads to its rapid loss of juiciness, shriveling and yellowing, and becoming inedible. the seeds and peel of overripe cucumbers become dense, and the flesh becomes rough. cucumbers should …

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ming inedible. the seeds and peel of overripe cucumbers become dense, and the flesh becomes rough. cucumbers should usually be picked in the morning, before the heat begins. evening cucumbers can be picked throughout the day. they are transported in boxes or special baskets. use of various boxes for transportation and storage of grapes, fruits, berries and vegetables. the storage stability of apples is determined by the nature of their ripening during storage. early ripening varieties of apples can be stored for a short period, and late ripening varieties can be stored for up to 7-8 months. apples are placed in boxes for storage. in this case, apples are best stored if they are wrapped in paper. when apples are placed in boxes, paper or shavings can also be placed between them. boxes with apples are placed on the shelves in a checkerboard pattern of three and in pairs. boxes …

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have cooled, their mouths are closed. polyethylene bags are placed in containers and placed in warehouses. the use of polyethylene containers is effective for storing apples. containers that can hold 600-800 kg of fruit are used for this. special holes are made in polyethylene containers to control the gas environment. pears are usually cut before ripening and placed in clean, dry boxes. paper is spread on the bottom of the boxes, the other end of the paper is closed over the pears. sawdust is sprinkled on the paper or cardboard is closed. pears can also be placed in a checkerboard pattern and sawdust is sprinkled between the rows. the boxes are laid out like a throne, just like apples. in warehouses with a controlled gas environment, pears are stored in 300-350 kg containers. when quinces are placed in boxes for storage, paper is laid on the bottom and sawdust is …

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О "factors affecting the shelf life of fruits and vegetables"

tashkent institute of irrigation and agricultural mechanization engineers national research university factors affecting the shelf life of fruits and vegetables teacher xasanova xolida ibodullayevna factors affecting the shelf life of fruits and vegetables plan i. factor of vegetables ii. processes in fruits iii. advantages and disadvantages iv. importance agricultural products are stored in various ways. structures and buildings where fruits and vegetables, as well as various seeds and other products, are stored, are called warehouses. they are temporary and permanent. temporary warehouses include piles, trenches, pits, etc. permanent warehouses are one-story rectangular and built on or below the ground (1.5-2 m) and made of concrete or brick. depending on the storage methods, agricultura...

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