Plant protection and world crop production.
Contributors: Farbenfabriken Bayer Aktiengesellschaft. Crop Protection Advisory Dept.
Series: Pflanzenschutz Nachrichten -- 20
Publisher: Farbenfabriken Bayer AG
Published: 1967
Place of publication: (Leverkusen
Language: eng
Number of pages: 542
Subjects: Crop yields.; Plant diseases -- Statistics.; Agricultural estimating and reporting.
Notes: At head of title: Crop Protection Advisory Dept. of Farbenfabriken Bayer AG, Leverkusen.

Translated by J. H. Edwards.