1. Soil resource inventories: proceedings of a workshop organized by the soil resource inventory study group at Cornell University. April 4-7. 1977
پدیدآورنده :
کتابخانه: Central Library of Agricultural (Tehran)
موضوع : $ASoil surveys$BCongresses,$ASoils$BCongresses
رده :
S
592
.
14
.
S62
2. Soil survey :perspectives and strategies for the 21st century : an international workshop for heads of national soil survey organizations, November 1992, Enschede
پدیدآورنده :
کتابخانه: Central Library of Agricultural (Tehran)
موضوع : $ASoil surveys$BCongresses
رده :
S
591
.
W875
no
.
80
3. Soil survey techniques :proceedings of a symposium sponsored by Division S-5, "Soil Genesis, Morphology, and Classification," of the Soil Science Society of America, 4 Dec. 1985, in Chicago, IL
پدیدآورنده :
کتابخانه: Central Library of Agricultural (Tehran)
موضوع : $ASoil surveys$BCongresses
رده :
S
592
.
14
.
S65
1987