Category: Orchid Doctor

RAIN MATIC VALVE: A Control for Misting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It runs on 4 D batteries anywhere; it is in a box with a computer and controls, is priced about $60.; can be set to water from one to 99 minutes up to eight times daily, one to seven days a week. O... Read More

RAINWATER: A Cistern to Collect It

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A 1000 gallon (4545 liters) cistern can be constructed with cement blocks, lined with a double 6mil. layer of polyethylene sheet, with styrofoai insulation placed between the blocks and the poly fo... Read More

RAINWATER: Abnormal Acidity

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Where acid rain occurs the heavy metal elements are leached from the soil so there is loss of copper, zinc, lead and trace elements and the vegetation is killed because the pH drops to 4.8; calcium... Read More

RAINWATER: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Is it better than tap water?; it is satisfactory but not superior to tap water; many tap and well waters contain significant nutrients which make them preferable; in nature the canopy of foliage in... Read More

RAINWATER: Characteristies

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In many places rain water is laced with chemicals and can be acid; most of it is as pure or purer than tap water; it can be collected and stored in clean tanks not chromed or tarred for use on orch... Read More

RAINWATER: Collected

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A particular roof area collects 2000 gallons of water with a one inch rainfall; it is stored in a 9000 gallon cistern; is electrically heated to 76 dF to temper it when being applied to the plants ... Read More

RAINWATER: Its Ph

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Falling rain water absorbs carbon dioxide from the air which lowers the pH to about 5.5; the pH is changed also by contact with vegetation, soil, etc. F68-112 Read More

RAINWATER: Recycled

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Strongly advise riot using re-used water even after treating it with Physan or other pesticide because problems are spread by it to other plants. A73-503 Read More

RAINWATER: Reservoir Construction

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For details of design, costs, construction methods,etc.; refer to OD67-23+ Read More

RAINWATER: Storage

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If collected off a reasonably clean surface into 25 gallon plastic containers no chemical treatment should be necessary A79-1258Keep it in glass or plastic containers in the dark; roof-collected wa... Read More