1994 * V * 4

CONTENTS

SCIENTIFIC WORK
A. Kanal, H. Vipper. The bulk density of podzoluvisols under different crops ... 391
R. Kask. The fertility of Estonian soils and its evaluation ... 405
K. Kask, H. Jänes. Sweet cherry selection in Estonia ... 424
V. Laanmäe. Breeding and production performances of Estonian swine breeds from 1957 to 1990 ... 434
O. Saveli, R. Teinberg, M. Uba. Prediction of sires breeding value by progeny testing ... 456