Նորմալ դիտում MARC դիտում ISBD Դիտում

Summary proceedings of a workshop on cereal yield variability / edited by Peter B.R. Hazell. - Washington, D.C. : International Food Policy Research Institute, 1986. - xi, 277 p. : ill. ; 23 cm.

Includes bibliographical references.

ISBN: 0896293068 (pbk.)

Subjects--Topical Terms:
Grain--Yields
Crop yields