Vol. 18 No. 1 (1970)

Papers

• Problems connected with evaluation of the process of planned regional development

  D.B.W.M. van Dusseldorp, B.E.J.C. Lekanne dit Deprez

  3-11

  • PDF

• Historical notes for an eventual regionalization of national development efforts in Sierra Leone, West Africa

  J. Veenstra

  12-25

  • PDF

• Calculation of production of potatoes.

  P.E. Rijtema, G. Endrodi

  26-36

  • PDF

• The influence of soil structure and air content on gas diffusion in soils.

  J.W. Bakker, A.P. Hidding

  37-48

  • PDF

• Plant Physiology and some aspects of future agriculture.

  E.C. Wassink

  49-61

  • PDF

• The effect of vitamin C on egg shell quality under high environmental temperatures.

  A.R. El Boushy, M. van Albada

  62-71

  • PDF

• Fertility and milk production in Dutch Friesian cattle.

  J.H.M. Metz, R.D. Politiek

  72-83

  • PDF

• A fattening trial with yearling rams of the Saudi Arabian Najdi and Arabi breeds.

  H. Appelman

  84-88

  • PDF

• Spacing experiments with brussels sprouts grown for single-pick harvests.

  E.W.M. Verheij

  89-104

  • PDF