TY  - BOOK
AU  - Gerber,Siegfried E.
TI  - Modern way of agriculture and its impact on environment
AV  - SB998.E4 G37 1990
PY  - 1990///
CY  - [S.l.
PB  - s.n.]
KW  - Earthworms
KW  - Organic farming
N1  - "This booklet has a forerunner, Modern way of agriculture through the help of earthworms, printed in 1982 in Nairobi, Kenya."--Verso of t.p; Includes bibliographical references (p. 63)
ER  -