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Found 3,579 articles.

Title	Categories	Posted
PESTICIDES: Excessive Uses by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Data and Conduct by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Compatibility Charts by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Compatibility by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Classification by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Chemicals by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Characteristics and Dangers by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Available Only to Commercial Nurseries by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Applicator's Licence by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PESTICIDES: Application Safeguards by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PERLITE: Opinions of the Experts by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERLITE: Composition by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERLITE: As Potting Mix by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERLITE: As Potting Medium by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERLITE: As a Culture Medium by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERLITE: Aggregate by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERLAG: Aggregate by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PERISTERIA ELATA: A Problem Plant by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PERFUMES: At Night Time by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PENTA PRESERVATIVE: Treatment for Greenhouse Wood by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PENTA PRESERVATIVE: Effect on Plants by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PENTAC: Miticide by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PENTAC: A Wettable Powder Form by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PENICILLIN THOMII: A Fungus by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PELORIA: Mutations in Flowers by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PELORIA: Its Occurrence by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PELORIA: In Phalaenopsis by Robert M. [Bert] Hamilton (Compiler)	Ailments, Orchid Doctor	almost 8 years ago.
PELORIA: A Study by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PECTEILIS RADIATA: Habenaria; "white Heron" of Japanese Origin by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PEAT MOSS: Sphagnum Peat, Canadian Peat by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PEAT MOSS: Handling by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PEAT MOSS: As Potting Medium by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PEAT: Difference in Types by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PEANUT SHELLS: As Potting Medium by Robert M. [Bert] Hamilton (Compiler)	Culture, Orchid Doctor	almost 8 years ago.
PEACH STONES: As Potting Medium by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PATENTS: Issued by the United States Patent Office by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor, Propagation	almost 8 years ago.
PATENTED ORCHIDS: Under the Plant Patent Act by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor, Propagation	almost 8 years ago.
PATENTED ORCHIDS: First in Australia by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor, Propagation	almost 8 years ago.
PARTS PER MILLION: Equivalents by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.
PARTS PER MILLION: A Scientific Measurement by Robert M. [Bert] Hamilton (Compiler)	Orchid Doctor	almost 8 years ago.