Soils and agro-ecological environments of sri lanka
text
S.l.]
Natural Resources, Energy & Science Authority of Sri Lanka
1996
monographic
220p
soils,agro-ecological,environments
631.4 PAN
9555900051 (hardcover)
9789555900058 (hardcover)
http://www.amazon.com/exec/obidos/ASIN/9555900051/chopaconline-20
http://www.amazon.com/exec/obidos/ASIN/9555900051/chopaconline-20