Questions & Answers
How should I make up a solution of a water soluble fertilizer like Peters Excel?
As a rule of thumb mix 1kg of fertilizer in 10 litres of water and dilute 1 in 100 for feeding every ... Read More.
My plants are not growing and the roots are not as white as expected
Poor root growth can be attributed to 3 things: 1, water logging - control by using a more open grow ... Read More.
How does a controlled release fertilizer work?
Controlled release fertilizers, like Osmocote, are made by coating balls of water soluble fertilizer ... Read More.
Should I use additives like sand and grit in my growing media?
There is rarely any advantage in adding such materials, as these materials are very abrasive and dam ... Read More.
How is the volume of growing media measured?
Growing media is compressible and therefore cannot be measured by weight. The standard CEN method i ... Read More.
What is AFP?
AFT stands for Air Filled Porosity and relates to the amount of air space left in the growing media ... Read More.
Should green waste be used in professional growing media?
Green waste is available, however, there are pros and cons in its use:
- variable raw material givi ... Read More.
What is the advantage of having bark in growing media?
Bark is added to growing media for two reasons, 1, to reduce the percentage of peat for environmenta ... Read More.
What is a base or starter fertilizer?
A low level of fertilizer to start the plant off in the first 2-6 weeks of growth, after which liqui ... Read More.
Why use a controlled release fertilizer like Osmocote Exact versus a compound fertilizer like PG and water soluble fertilizers?
CRF fertilizers can provide nutrients to the plant for the whole season and is environmentally frien ... Read More.
What is the advantage of incorporating Intercept in growing media over insecticides?
Intercept controls 4 pests, Vine weevil, Sciarids, Aphids and Whitefly. Most other products only con ... Read More.
