Symposium on production of healthy plants by therapentic and other methodsand their maintenance and use.
Internation Soc. for Hort. Sci.
Symposium on production of healthy plants by therapentic and other methodsand their maintenance and use. - 1972 - 115
Forestry
Horticulture Production of Plants
635.663
Symposium on production of healthy plants by therapentic and other methodsand their maintenance and use. - 1972 - 115
Forestry
Horticulture Production of Plants
635.663