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Vol. 18 No. 4 (1970)
Vol. 18 No. 4 (1970)
Published:
1970-11-01
Papers
Historical notes on the zero-tillage concept.
H. Kuipers
219-224
PDF
Crop husbandry on naturally compacted soils.
W.A.P. Bakermans, G.T. de Wit
225-246
PDF
Soil-physical aspects of zero-tillage experiments.
C. van Ouwerkerk, F.R. Boone
247-261
PDF
Remarks on soil structure in relation to zero-tillage.
F.R. Boone, H. Kuipers
262-269
PDF
Experience with minimum tillage and nitrogen fertilization.
L.J.P. Kupers, J. Ellen
270-276
PDF
Experience with minimum tillage and nitrogen fertilization
L.J.P. Kupers, J. Ellen
277-282
PDF
First experiences with direct drilling in Germany.
K. Baeumer
283-292
PDF
No-tillage as compared to tillage practices in dry-land farming of a semi-arid climate.
E. Stibbe, D. Ariel
293-307
PDF
Influence of crop and tillage on mites and springtails in arable soil.
C.F. van de Bund
308-314
PDF
Chemical renovation of grassland.
M. Hoogerkamp
315-320
PDF
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