An algorithm which helps detecting in-line potato tubers without singulation when they are mixed with clods was developed. It is particularly useful for sorting and grading purposes whether at the packhouses or the potato harvester. The algorithm scans images which include clusters of tubers and clods from left to right until it encounters a cluster. Once encountered, a scan around the peripher...

Subsoiling (SS) is an important technology in conservation tillage, but soil-disturbance characteristics the SS are rarely described. Research on during conducive to design and optimization of subsoilers, which provides a basis for reducing draft force energy consumption. This study conducted experiments at five different tillage depths field with specific situ test-rig facility, videotaping wa...

To avoid increasing costs of landfill disposal, it has become increasingly important for U.S. foundries to identify beneficial reuses for the 8 to 12 million tons of waste foundry sand (WFS) generated annually. A major drawback to the reuse of some WFSs as a soil amendment is their high soil strength, under dry conditions, where root growth may be limited. Fifteen WFSs were analyzed for strengt...

Aiming to solve the problems of easy generation clods, poor soil fluidity and soil-covering effect in no-tillage seeding operation mode, this study has designed a device with soil-closing function for chisel-type furrow opener corn planter. Theoretical analysis design dividing plate disc were carried out, key parameters determined. Then, movement model was constructed Altair EDEM, spatial parti...

this study was conducted to investigate the effect of soil moisture content in primary tillage and travel speed during disking operation on the performance of an offset disk harrow in a silty clay loam soil. at first, the effect of three soil moisture content ranges of (12-14), (14-16) and (16-18) percent (dry basis) on soil clod size (left from moldboard plowing) was investigated. then, the pe...

Image processing technologies are proposed to quantify crack patterns. On the basis of the technologies, a software “Crack Image Analysis System” (CIAS) has been developed. An image of soil crack network is used as an example to illustrate the image processing technologies and the operations of the CIAS. The quantification of the crack image involves the following three steps: image segmentatio...

Aims: Optimization of machine parameters (type flail blade and number strip-till blades per flange) operational (rotor shaft speed forward speed) for the development stubble manager cum crop planter conservation agriculture.
 Study Design: Split plot (3 factors); Type blade/number flange as main rotor sub plots.
 Place Duration Study: Dr. NTR College Agricultural Engineering, Bapatla,...

The macroporosity, and to a lesser extent the microporosity, of swelling and shrinking soils is affected by their shrinkage behaviour. The magnitude of the changes in bulk volume in response to changes in water content is usually described by the soil shrinkage characteristic curve (SSCC), i.e. the relation between the void ratio and the moisture ratio. At present, many techniques have been des...

Abstract Soil compaction is one of the issues that many agricultural lands suffer from, and main reasons for that, wheel traffic which pass through field. Therefore, this study was conducted with aim studying effect machinery type tillage on some studied characteristics (drawbar power (DP), wasted by slippage (WPS), clods greater than 100 mm (CGT)) at soil moisture content 17-20%. The experimen...