Zur Bestimmung der Wasserdurchlässigkeit beim gewachsenen Boden Eilh Alfred Mitscherlich OriginalPaper Pages: 10 - 16
Observations on the bacterial oxidation of chlorophenoxyacetic acids T. I. SteensonN. Walker OriginalPaper Pages: 17 - 32
Utilization of fertilizer nitrogen by plants in soils of different structure J. Hagin OriginalPaper Pages: 33 - 41
The preparation of microtome sections of unaltered soil for the study of soil organisms in situ G. Minderman OriginalPaper Pages: 42 - 48