Category: Culture

FIBERGLASS: Compared with Glass

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Orchids grow as well under fiberglass as under glass; in Ohio glass is preferred because of lower winter light. A75-876 Read More

FIBERGLASS: Diffuses Light Almost Completely

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago There are no direct beams aimed at leaves; overall greater light intensity can be tolerated under fiberglass without burn; the greenhouse is less of a heat trap under fiberglass; leaf temperatures ... Read More

CARBON DIOXIDE: Percentages of Composition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In air it is about three hundredths of one percent; plants can use greater amounts to approximately 0.5 to 1%; data not related to orchids. OR72-34 Read More

FIBERGLASS: Polyester Type, Cleaning

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Clean with trisodium phosphate solution and a scrub brush; then . remove loose fibers with coarse steel wool; clean thoroughly with water; dry; recoat with acrylated refinisher by brush; treatment ... Read More

FIBERGLASS: Suitable for Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Clear is preferred; in Florida a white that transmits 60% of light could be used for roof; for the sides use clear. A76-611 Read More

FISH EMULSION: As Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Organic fertilizers have to break down by means of bacterial action in the media before becoming useful to plants; they have the benefit of not burning roots. OD68-10Use 1 ttpg. every two weeks, no... Read More

FISH EMULSION: Over-use

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago At 1 ttpg. and with weekly flushing with plain water overfertilizing cannot happen. A67-1095 Read More

FISH MEAL: Analysis

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Dry meal contains five to seven: percent moisture, 6.5 to 10 percent nitrogen (equivalent to ammonia 8 to 12%) and phosphoric acid 4 to 8 percent. A59-607 Read More

FISH MEAL: As Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Formula can be 5-5-1, or 9-3-0; it provides good substitute for other organic fertilizers; water it in well or cover it with compost to prevent mold from forming; compost tends to break down more r... Read More

FERTILIZERS: 30-10-10 with Soil Acidifiers and Chelated Iron

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A suitable fertilizer, use 1/2 tpg. at every watering but let 10% of the liquid run out of the pot for leaching action. A74-114 Read More