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Vol. 9 No. 2 (1961)
Vol. 9 No. 2 (1961)
Published:
1961-05-01
Papers
Solar and net radiation, available energy and its influence on evapotranspiration from grass.
D.W. Scholte Ubing
81-93
PDF
Observations on earthworm populations in orchard soils.
J.A. van Rhee, S. Nathans
94-100
PDF
Agricultural and economic development.
G.J.A. Terra
101-107
PDF
Early diagnosis of mineral deficiencies by means of plant analysis.
H. Broeshart, J.G. van Schouwenburg
108-117
PDF
The seepage of a river into a valley filled with two layers of different permeabilities
L. Wartena
118-121
PDF
Research in the field of advisory work.
A.W. van den Ban
122-133
PDF
Hypomagnesaemia in milking cows: intake and utilization of magnesium from herbage by lactating cows.
A. Kemp, W.B. Deijs, O.J. Hemkes, A.J.H. van Es
134-149
PDF
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