Newly Posted Articles

WATERING METHODS: Individual Tube System

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago It is satisfactory, but one problem is the localized or concentrated flow of water. A76-14 Read More

WOOD TREATMENTS: Anti-rot Treatment for Greenhouses Which Are Not Harmful to Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Copper napthanate preparation sold under the names of Cuprinol or Kopex is the best. A77-619 Read More

WETTER-STICKERS: To Use with Benlate

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Good ones are Tween 20, Rhom & Haas-B 1956, Dupont wetter-sticker; refer to A73-155 Read More

WIRE: Barbed Wire for Hanging Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago The barbs keep the mounts in their places; other wire useful in greenhouses is the type sold for electric fences, cheap and rust resistant; galvanized clothes line is useful and can be straightened... Read More

BLOTCHES, WHITE: On Top of Cattleya Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago These are possibly salt deposits from the evaporation of hard water. A72-412 Read More

BLUE METAL: Ingredient in Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Used in Australia, described as an essential part of a mix: 4pts. bark to lpt. blue metal (not otherwise identified, presumably an aggregate); to each four gallons of mix add three gallons of water... Read More

CATTLEYAS: Fertilizing Program

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago High nitrogen 30-10-10 or 10-10-10 is good for period March to October at 1 tpg every 10 or 14 days; from November to February apply every 21 to 28 days; for every fourth feeding all year long use ... Read More

CATTLEYAS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago For spring flowering: 55 deg.F.nights, 50% relative humidity, 4,000 fc.in summer and 2,000 fc. in winter; Autumn flowering plants need 50 deg.F nights; 40 to 50% relative humidity, 2,000 fc. in win... Read More

ENCYCLIA MARIAE: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago As for cattleyas; potting medium recommended is osmunda, or 65% fir bark, 20% German peat moss (coarse) and 15% redwood bark fiber. A72-905 Read More

FERTILIZERS: Organic, Made From Living Organisms

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Animal manures, fish emul- sion, seaweed emulsion; bone meal, cottonseed meal, etc.; strengths vary and most require dilution; believed to contain natural salts and hormones which cannot be synthes... Read More