Machine harvesting is an essential step of crop production, considering a dynamic operation, and subject to losses due several factors that affect its quality. The objective this study was evaluate the quality mechanized peanut pickers in three soil tillage operations using Statistical Quality Control (SQC) tools. We conducted experiments field located at 21°20′23″ S 47°54′06″ W Brazilian farme...

China is a large agricultural country. With the development of industrial production, mechanized harvesting has become an inevitable trend material harvesting. In this paper, based on latest technology polycrystalline ferroelectric composite materials in design shovel frame harvester’s vibrating excavating shovel, relevant theories and are literature. After understanding, structure harvester wa...

One of the important factors affecting quality mechanized potato harvesting is technical condition combine. To maintain necessary level reliability and durability agricultural machinery used in process, authors proposed to diagnose mechanical drive combine with two modes scrolling shaft: free fixed. This approach allows you determine dynamic indicators by which it possible identify malfunctions...

In this study, musculoskeletal disorders, energy consumption and input costs of paddy labors have been studied in cultivation, crop protection, and harvesting rice in Northern Iran, Guilan province. The sample size of the study consisted of 74 paddy workers of the study region. The data were collected through Nordic questionnaire and semi-structured interviews. The results indicated that the la...

This study investigated the status of mechanized power and self-propelled rice cultivation machinery in Guilan Province in northern Iran. The raw data was obtained from 2013 statistics of the Agricultural Jihad Organization of Guilan province. Power per unit of area, mechanization level, area per unit of self-propelled machinery, and mechanization requirement were calculated for eastern, wester...

Predicting the maintenance and management costs and replacement age of tractors in agricultural mechanized units, is important from several points. So, doing a timely agricultural operations, more accurate measure of the amount of income  including the cost of these items , determining the useful life of old tractors , replacement age, cost of the process changes and the possibility of examinin...