Club of bologna proceedings



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Bog'liq
1998 CoB Vol 09

22
, 3 
[13]
 
Godwin R.J., Spoor G.,Soomro M.S.

1984. The effect of tine a
r
ragement on 
soil forces and dist
ur
bance. J. of Agric. 
Eng. Res., 
30
, 5 
[14]
 
Perdock U.D., Kouwenhoven J.K.

1994. Soil -tillage interactions and field
performance of implements. Soil &
Tillage Research, 
30
, 283-326
[15]
 
Weise G.
,
1996. Möglichkeiten zur
Optimierung einer
Bodenbearbeitungskombination. Reihe:
14, 76, VDI-Verlag 
[16]
 
Herberg F.
, 1998. Warum Zinken auf
Griff stehen sollten. Landtechnik, 
2,
97-
99. 
[17]
 
Nichols M., Reed I.F.
,
1934. Soil
dynamics: VI. Physi cal reactions of soils 
to moldboard surfaces. Agr. Eng., 15 
[18]
 
Söhne W.
, 1959. Investigations on the 
shape of plow bodies for high speeds. 
Grundl. D. Landtech. 
11
, 22-39 
[19]
 
Hettiaratchi D.R.P., O'Callaghan J.R.

1980. Mechaniacal behaviour of
agricultural soils. J. of Agric. Eng. Res., 
25
, 239-259 
[20]
 
Gill W.R., McCreery W.F.
 ,
1960.
Relation of Size of Cut to Tillage Tool
Efficiency. Agric. Eng., June, 372-381 
[21]
 
Wismer R.D., Wegscheid H.G., Luth
 
H.J., Romig, B.E.
,
1968. Energy
application in tillag e and earthmoving.
SAE Meeting, Sep.

-12, Milwakee,
Wiscousin 
[22]
 
McCreery W.F., Nichols M.L.
,
1956. 
The geometry of disks and soil
relationships. Agr. Eng., 

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