Organic matter and soils /
Handreck, Kevin Arthur.
Organic matter and soils / Kevin A. Handreck. - Melbourne : CSIRO, 1979. - 51 p. : ill. (some col.). - Discovering soils ; no. 07 .
0643024182
92065173
Humus.
Organic matter and soils / Kevin A. Handreck. - Melbourne : CSIRO, 1979. - 51 p. : ill. (some col.). - Discovering soils ; no. 07 .
0643024182
92065173
Humus.