Category: Culture

PUMICE: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A light, spongy stone thrown up by volcanoes. A75-712; RMH Read More

PVC PANELS: For Greenhouse Covering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are used satisfactorily but they do not last as well as acrilic materials. A68-331 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: 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

REDWOOD BARK: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is very acid; prevents fungi from growing; more nutrients become available in slightly acid medium rather than in alkaline. F72-136 Read More

REDWOOD BARK: Characteristics and Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Available in seedling grind (three-eighths inch), regular grind (three-quarters inch) medium chips (one inch by half-inch), and large chips ( two inch by one and a half inch); soak it five minutes ... Read More

FERTILIZERS: Organic or Inorganic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bacterial activity is low at 50 deg.F. (10 deg.C.) so it is better to use inorganic types of fertilizer in cold weather;use an organic in warmer temperatures. AU73-185Both can be used; liquid organ... Read More