Category: Culture

BEER: As Nutrient Element

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago 1 part to 40 parts water; initial response of plants most favorable; beer and 1/4 strength organic solution made plants prosper at first in normal medium; then white mold appeared caused by yeasts;... Read More

SOLAR RADIATION: U.S. Cities Table

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago Three-year average solar radiation square feet of horizontal surface for peak summer months; about 70 cities listed; highest radiation is in Phoenix with 200; lowest is Caribou, ME. at 115. (RMH) Read More

OSMOCOTE: A Slow Release Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago Found satisfactory in commercial use only with such heavy-feeders as cymbidiums. A87-1285 Read More

ZINC: Galvanized Lined Water Tanks

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago If you are in doubt about possible damage, paint the coating with a pure-asphalt paint such as Gilsonite. A81-526 Read More

LIME: Oyster Shell, Its Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago It is calcium carbonate lime; ground up shells comes in coarse type for chicken scratch or flour type used by many orchid growers. C74-51 Read More

SEEDLINGS: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago For techniques and procedures, culture media, source of supplies, for tropical and terrestrial types, refer to OB11-243 Read More

LIME: Pointers About it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago Composted fertilizers never contain it; it is always added to peat mixes in order to supply missing calcium; Rockwool and Oasis have no buffering ability for lime; the deficit of Calcium is reveale... Read More

OHIO W.P.SOLUTION: Fertilizer Used Experimentally in Gravel Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago For proportions of seven chemicals included, refer to N304 Read More

LIGHTS, GROWING UNDER: Suitable Species

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago A list of about 35 plants with low-light requirements; refer to A74-792+ Read More

BARKS, SUITABLE: Other Than Douglas Fir

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 7 years ago Silver birch, the rough part from the base of the tree; it is heavily crevassed with many a lay er of dead cells to decompose; also chestnut, pear and apple. N79-163 Read More