Original publication date: SPRING 1966
Original publisher:
Publication status: Out of print
Original publisher:
Publication status: Out of print
New Concepts for the Social Handling
of Pollution…………………….H.H.Koepf………………………. l
Some Thoughts on the Publication of
"Companion Plants"…………..DevinA. Garrity……………….9
The Dandelion (Taraxacum officinale) … Heinz Grotzke……..11
Venturing Into Venezuela………..Mildred Cowger……………..21
Silica and Silica Sprays………………………………………………..25
Book Reviews …………………………………………………………..81