Dear Nadia:

I know nothing about "SINGLE FURROW CONVENTIONAL PLOUGHS" or ploughs for that matter, but throw these references out to you for your consideration.

Perhaps the "HAT" is an abbreviation for "Hatz." (HATZENBICHLER?). Makes any sense?


http://www.mortonsmedia.net/webdata/pdfs/wfr/2007sept.pdf (PAGE 7)
OPICO ** HATZENBICHLER ** 3 metre comb harrow c/w OPICO

http://www.mortonsmedia.net/webdata/pdfs/wfr/2007nov.pdf (PG. 34)
C4886 POWER PACK Suit Hydraulic operation of bale wrappers etc without use of a tractor, Hatz single cylinder diesel engine hand start, driving hydraulic pump with own oil tank. All mounted on chassis with wheels & ball hitch plus screw jack jockey wheel, suit pulling by quad bike or similar Good condition £475 ☎ Chris 01926 338639

[PDF]
OFFICESMERGEUNDER ANIMALHEALTHBANNER
Formato de archivo: PDF/Adobe Acrobat
Available with diesel engine powerpack, Hatz. single cylinder diesel engine on ...... header, late model. 22. Kverneland 4 furrow. conventional plough, 8 ...
www.mortonsmedia.net/webdata/pdfs/wfr/2007april.pdf - Páginas similares


http://www.ewrs.org/pwc/doc/2000_Elspeet.pdf
Material and Methods
The experiment was carried out in a summer wheat (cv. Tinos, sown at 14. March 1999, 470 kernels
m-2) following oilseed rape as a pre crop. The wheat was left unfertilized, but – running in a
conventional rotation – the field was N-fertilized during the years before. Chemical weed control was applied to prevent effects due to competition and N-uptake of weeds. Experimental layout was a block design with two treatments (treated, untreated) and 4 replications. Harrowing (= treated) was carried out as follows: 26. April (BBCH-Code of wheat: 13), 4. May (BBCH 21) and 18. May (BBCH 30). Each treatment was conducted as one pass of a **** HATZENBICHLER **** SPRING TINE HARROW with moderate velocity (7 km h-1) and nearly maximum strength. Soil type is a deep loess-born soil (13% sand, 72% silt, 15% clay, pH 6,4). Average weather data is: 650 mm a-1 rainfall, 8,5 °C a-1. The actual conditions were rather dry during May, unless the monthly sum of precipitation was quite normal. During a time of six weeks following the first treatment in approximately 4-days steps the above-ground biomass was harvested (0,75 m-2 at each measurement) and soil samples (0-15, 15-30 cm depth) were each taken in the same area of the plot. A subplot of 22 m2 was kept free from destructive measurements until crop harvest.

http://en.wikipedia.org/wiki/Plough

Good luck!

Some reference sites for mouldboard ploughs:

http://www.aenf.wau.nl/equip/mouldboard_plough.html

http://en.wikipedia.org/wiki/Plough

http://www.ploughmyfield.co.uk/HPGlossary.htm