Newly Posted Articles

UREA SOLUTION: Painted on Seed Pods

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A 2% solution painted on pods every two weeks strengthens, toughens the pods and peduncles and enlarges the seeds and quickens their growth after flasking. NH78(1)-14 Read More

WINDOW GROWING: The Optimum Number

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is limited by the number you can carry to the kitchen sink for watering once or twice a week, perhaps 25. A88-15 Read More

EVAPORATIVE COOLERS: Algae Control -- Use Physan 20. A78-495 -- How to Build One

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cost of materials was less than $100, not including fan; instructions; refer to A75-584; general information on function and maintainance. A61-541+; A64-377+; A74-396+ Read More

PESTICIDES: Shelf Deterioration

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Benlate remains effective in storage for two years but a solution of it must be used in eight hours, if left for 24 hours it becomes harmful to plants and not insects; Di-Systox lasts two years on ... Read More

WINTER GROWING: Myths Associated with it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Such as dormancy, which may be overdone; amount of light available; watering and spraying can actually be heavier because of lack of humidity in dry heater areas; phalaenopsis can prosper and harde... Read More

WIRE BRACES: To Support Rootless Growths of Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use 2 U-shaped 14-gauge wire shapes, invert them, lash the loose ends together, insert into media, spread the tops of the curved section so that the plant is sandwiched between the curved supports.... Read More

FIBERGLASS: Green

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not use it for greenhouses unless you want a green house; parts of the light spectrum used by green plants are the red and blue ends and when the pigments are mixed the resulting colour is the o... Read More

TRISODIUM PHOSPHATE: As a Deactivating Agent

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Frequently used on cutting tools in a saturated solution; the knife must be wiped clean before soaking, change the solution frequently; it does not harm the metal. A84-129 Read More

WOOD: Decayed, for Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For general potting use, decayed trees pine and cedar (in California) were crushed, passed through a half-inch screen; soaked for a week in a nutrient solution of eleven chemicals; used successfull... Read More

WOOD: Greenhouse Construction

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The best two woods are redwood and cypress, the latter now difficult to find. A72-807 Read More