Report on the agro-ecological zones project.
Report on the agro-ecological zones project.
- Rome : Food and Agriculture Organization of the United Nations, 1978-
- v. 3
- World soil resources reports ; 48 .
v. 3. Methodology and results for South and Central America.
Agricultural ecology.
S591 S589.7 / .W875 no. 48
630/.2/745096�19
v. 3. Methodology and results for South and Central America.
Agricultural ecology.
S591 S589.7 / .W875 no. 48
630/.2/745096�19