Category: Culture

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

AIR CONDITIONERS: For Cooling Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are too dessicating for the purpose and are therefore inferior to a normal, evaporative cooler. A87-616 Read More

AIR, LIGHT, WATER: Essential Factors in Combination

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In cultivation, all of them are inter-reactive and must be considered in balance; basic factors given about each in plant growth; for many details refer to NZ87-73 Read More

AIR MOVEMENT: Excessive

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Too much air turbulence for the frequency of watering indoors can cause retardation of plant growth, so don't overdo it. A86-363;382 Read More

AIR MOVEMENT: Improves Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Properly arranged fans blowing on plants bring good results, because air makes heat, light, humidity, etc., work together. F85-9 Read More

AIR MOVEMENT: Pros and Cons

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Why should air be changed every minute for best effects?; too much is detrimental and uneconomic, it dessicates media, increases colder temperatures; just enough is helpful by moderating temperatur... Read More

ALFALFA: Growth Stimulant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Contains triacontanol; a powder available from healthfood stores for about $1., used in seedling mixes and others; experimental. OA83-26; OIE87Sept-7 Read More

ANTI-TRANSPIRANTS: For Saving Divisions of Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If they have no roots, apply a dessicant such as Wilt-Pruf, Vapor Guard, NuFilm 17, Folicote, Cloud Cover, all water-soluble, biodegradable polyethylenes which when applied to pseudobulbs, etc., pr... Read More

ANTI-TRANSPIRANTS: Use After Repotting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Apply Wilt-Pruf, Folicote or similar product to prevent loss of moisture from plants, avoid getting any on the roots, be sure to coat undersides of leaves also; apply with small brush or spray. OIE... Read More

ARCILLITE: Granular Calcined Clay

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A commercial product available in two sizes as an aggregate: fine- perhaps for odontoglossums and terrestrials, and large-sized 2.5cm.+ and sold as Terragreen which might be the most useful general... Read More