Newly Posted Articles

RENANTHERA STORIEI: A Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Seven years without a flower; it is a difficult plant to flower in the U.S.; it requires moist conditions, a sunny exposure and temperature well above 50 deg.F. at night. A71-536 Read More

QUATERNARY AMMONIUM COMPOUNDS: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They have good germicidal properties; control algae in swimming-pools and on hospital walls; as a pot dip at 0.257o; reduction in root and top growth frequently follows pot dip treatments of non-or... Read More

RAIN MATIC VALVE: A Control for Misting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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 over 7 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 over 7 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 over 7 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 over 7 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

BUD DROP: Causes Other Than Ethylene

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Fertilizer imbalance might cause it, or trace elements deficiency; root damage has caused bud drop, as has Read More

BUD DROP: If Pollution Is Not Present

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago This is hard to explain, except the possibility the plant is self-pruning to sustain the rest of the buds. A73-906 Read More

HEATERS: Wood-burning Stove

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is apt to emit too much ethylene if it is not properly vented; burning wood is one of the worst sources of ethylene; it is now a crime to burn wood for heating purposes in London. A81-1436 Read More