Movement and persistence of 1,2-dibrotno-3-chloropropane (DBCP) in a Coastal Plain soil containing a sandy plow-pan were enhanced in each of 2 years by subsoiling, increased depth of application, and increased rate of application. DBCP was extracted from the soil with hexane and analyzed by gas chromatography. Subsoiling at a 35-cm depth gave the greatest increase in lateral movement and downwa...

Snow and ice removal and clearing roadways after a winter storm account for major portion of roadway agencies located in snowy region’s maintenance budget. With the decreasing funds and increasing demand from the motoring public for mobility, roadway agencies are continuously looking for new innovative approaches for winter maintenance operations. One of the main focus of these approaches inclu...

The famous empirical model for the horizontal force estimation of farm implements was issued by American Society Agricultural Biological Engineers (ASABE). It relies on information soil texture through its adjustment parameter, which is called Fi -parameter. Fi-parameter not measurable, and geometry plow machine parameter values are measurable; however, tillage speed, implement width, depth mea...

An innovative task learning system called PLOW (Procedure Learning On the Web) lets end-users teach procedural tasks to automate their various web activities. Deep natural understanding and mixed-initiative interaction in PLOW makes the teaching process very natural and intuitive while producing efficient/workable procedures.

Improved methods are proposed for disk-drive failure prediction. The SMART (Self Monitoring and Reporting Technology) failure prediction system is currently implemented in disk-drives. Its purpose is to predict the near-term failure of an individual hard disk-drive, and issue a backup warning to prevent data loss. Two experimental tests of SMART show only moderate accuracy at low false-alarm ra...

gregate formation (Horn, 1990; Zhang, 1994). Understanding of mechanical properties of aggregates is cruAggregate properties determine the macroscale structural condicial to explain the macroscale functions of soil for plant tion of the soil. Understanding of impacts of no-till and traditional growth (DeFreitas et al., 1996). agricultural practices on the mechanical properties of aggregates is ...

Abstract The process of smooth plowing with the turnover layers within its own furrow is characterized by high energy costs due to interaction plow body and in conditions blocked cutting. purpose research substantiate type second-rear frontal plow. proposed front for contains twin screw housings, first-row colliders, rear right- left-turning second-row colliders. Screw housings are equipped mir...

Recent developments in biofuel demand and the rapid adoption of modern transgenic hybrids are changing production systems towards more corn after corn, more intensive tillage, higher plant populations, and ever higher crop residue levels at harvest. Meeting society’s needs for food, feed, and fuel from grain corn, and in the future from corn stover, requires continued refinement of tillage syst...

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...