B. Wagar

CHANGES WITH TIME IN THE FORM AND AVAILABILITY OF RESIDUAL FERTILIZER PHOSPHORUS ON CHERNOZEMIC SOILS

J. Stewart, J. Moir, B. Wagar, 1986 .

COMPARISON OF SINGLE LARGE BROADCAST AND SMALL ANNUAL SEED-PLACED PHOSPHORUS TREATMENTS ON YIELD AND PHOSPHORUS AND ZINC CONTENTS OF WHEAT ON CHERNOZEMIC SOILS

J. Stewart, J. L. Henry, B. Wagar, 1986 .