SOIL, RESOURCE DEVELOPMENT
GUIDELINES FOR SOIL PROFILE DESCRIPTION - 2 - ROME, FAO 1977 - pages 66
GENERAL INFORMATION ON THE SOIL
INFORMATION AND SITE SAMPLED
PRESENTATION OF DATA
631.4 SOI/GU
GUIDELINES FOR SOIL PROFILE DESCRIPTION - 2 - ROME, FAO 1977 - pages 66
GENERAL INFORMATION ON THE SOIL
INFORMATION AND SITE SAMPLED
PRESENTATION OF DATA
631.4 SOI/GU