Category: Orchid Doctor

FERTILIZING: With Every Watering

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is not advised; use 1/2 tpg. of 30-10-10 at every second watering. A72-905 Read More

FIBERGLASS: Acrylic Modified Materials

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These have increased the longevity over the fiberglass mat embedded in polyester resin; have added three to five years of weathering. OD67-268 Read More

FIBERGLASS: Advantages of Clear Over White

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Clear passes more light which is important in fall and winter in many places. A70-1099 Read More

FIBERGLASS: Cleaning Roofs of Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use one ounce of High Test Hypochlorite (such as Clorox) in a gallon of water and use as an algicidal, fungicidal and bactericidal scrub or spray; rinse with water. A70-589+ Read More

FIBERGLASS: Clear Panels on West Side and Green-blue on East

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use only clear throughout, or nearly clear white; the green-blue will heat the greenhouse too much in summer and add to coolness in winter; it will also filter out too much of the red light. A72-55 Read More

FIBERGLASS: Compared with Glass

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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

FIBERGLASS: Green

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not use it for greenhouses unless you want a green house; parts of the light spectrum used by green plants are the red and blue ends and when the pigments are mixed the resulting colour is the o... Read More

FIBERGLASS: Green Color as Cover

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Clear should have been used, with white shading; green tends to give a hot temperature; they will pass enough orange-red for good growth; worth trying for a year. A74-1062Emerald green shade in a s... Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More