Łukasz Kuta

• Wroclaw University of Environmental and Life Sciences

In recent years in Poland, there has been an increasing issue with waste management. Despite waste sorting and fees paid by residents for waste collection, many of these waste materials are illegally disposed of. Such formally unclassified waste poses a significant threat to the surrounding residents and exerts toxic effects on soil and as well as...

The harvest phase plays an important role in the whole process of production of tomato fruit. Therefore, it is necessary to ensure a technological process that will not damage biological materials. The harvest phase plays an important role in the whole process. Many growers use special machines for harvesting, but there are fruits and vegetables th...

The article describes a topic of the transport of hazardous materials in Poland. The risks during transport are presented, as well as the regulations that must be observed when trans-porting hazardous materials. It also discusses the basic rules that apply during an emergency. The purpose of this article is to present a simulation of the effects of...

In this paper, the authors present the relationship between the assumptions of ergonomics in the work of a strawberry picker and quality of picked fruit. The body posture that a person adopts while working has a significant impact on their health, working comfort, and productivity, but also on the quality of the fruit that is harvested. This paper...

Apples are the most popular fruits grown in Polish orchards. In order to obtain the best quality fruit, it is necessary to improve plantation maintenance, fruit harvesting, and processing. Given that many fruits are exposed to external factors, including forces that adversely affect their structure—causing them to crack, bruise, or crush—it is nece...

Work performed in the building industry contributes to the formation of many threats for employees. Microclimate factors, working at heights as well as dangerous substances used in the building space may cause a negative impact on the worker’s health. In order to evaluate the safety and comfort of work in the construction industry, a questionnaire...

Farmers belong to the group of high risk in terms of developing work-related musculoskeletal disorders. A series of tasks, which are often performed in an uncomfortable position, loads exceeding farmers’ physical abilities, as well as high repetition of work movements, all contribute significantly to the development of irreversible changes in the m...

The circumstances for conducted this study was a life level assessment in the aspect of mountain community economic development, as well as the safety level at work in the agriculture and in the local industry. The key issue in such places is tourism, which results mainly from natural resources. The studies were performed on a sample of 200 randoml...

Uncomfortable working conditions can lead to a deterioration of product quality, and employee health, as well as reduction in work efficiency. The article presents the results of the research determining the relationship between the height of fruit harvesting, the picker's muscle tension and the surface pressure exerted during harvest. The EMG meth...

Bionic inspiration from human thumb and index finger was the drive to design a high-performance two-finger dexterous hand. The size of each phalanx and the motion range of each joint in the human thumb and index finger were summarized, and the features of three grasping patterns were described in detail. Subsequently, a two-finger dexterous bionic...

During harvest, handling and transport carrot root is exposed to different type of loads while contact with variously shaped elements i.a. machninery parts. This contact can cause damage, bruise or crack in material structure and to result in quality of fruit in food industry fall or losses among growers. This paper presents a method for determinin...

Disorders in the musculoskeletal system are currently the most common illnesses reported by physical workers. This paper presents the possibility of improving safety conditions for vehicle and machine operators by the adjustment of a steering panel to their individual anthropometric features. These results can be used in the workstation-designing p...

This paper presents elastooptical method for assessment of carrot root displacement under impact load. The main purpose of this study involved an analysis of cross-section model of carrot root performance. The investigation by means of the po-lariscope was conducted. In each phase under load, a characteristic isochromatic pattern distribution was d...

The most destructive impacts on biological materials are impact loads, which cause tissue damage under surface peel. For apples, tissue damage increases due to the contact stresses resulting from the round shape of the fruit. Measurements of surface and volume of bruised apples expressed as a function of drop height have been measured , and a metho...

The bruises as well as other affects in fruit quality cause lower selling prices and generate loss for fruit growers. For proper identification of damages in biological material, the impact load, contact pressure as well as force affecting on apple skin should be examined. In this paper, the authors present an experimental method in assessing of th...

The main purpose of the study was to compare the average and total degree of covering the sprayed plants with the foliar fertilizer with copper and the nanocopper. The measurement of covering degree was performed in "Aporo" sprayed chamber at a constant speed of (11.16 m·s-1) and at two pressures values 0.2 and 0.28 MPa for two nozzles standard: on...

This paper presents an analysis of mechanical damage carried out on ‘Golden Delicious’ apple variety, which was subjected to impact loads during free drop against various rigid plates. For this purpose, an analysis of the contact pressure based on determined contours and surface pressure distributions at the contact point between the fruit dropped...

Biological material is exposed to different type loads during the harvesting, sorting, and transport. The contact with the hard element of the box or the harvester causes damage to the internal structure. Long-term static loads and hitting by another carrot root are the most common type of mechanical damage occurring in the post-harvest process. Be...

The annual production of apples in Poland reaches 3 million tonnes of which only one-third are the dessert apples and the remaining quantity is aimed at processing. This unfavourable structure of production leads to losses on the part of growers, resulting from lower purchase prices. Changes aimed at increasing the production of delicatessen apples...

During the last years, as a result of the technological development, farmers started to include a new solution like machinery or other devices but the risk level connected with accidents resulting from their use is still high. Agriculture is described as one of the most dangerous industry in Poland. Based on these circumstances the studies were con...

Economic analysis of harvest methods of grain sorghum (grain variety 251) was the main purpose of this study. For this analysis, the total direct costs per 1 ha of sorghum crops with the conjunction of the yield obtained in Polish conditions and calculation of the profitability of sorghum grain production were estimated. Statistical analysis taking...