EVERY plant will benefit from a proper addition of fertiliser.
It's food for your soil and its inhabitants.
Typically, a fertiliser will aim to contain six macro- nutrients (important ones): Nitrogen, phosphorus, potassium, calcium, magnesium and sulphur.
Also, it may contain eight micronutrients: Boron, chlorine, copper, iron, manganese, molybdenum, zinc and nickel. Look at the label of your packet to see the figures of yours.
All fertilisers come in two forms: organic and inorganic.
Organic fertilisers include naturally occurring materials (chook poo, seaweed, compost etc) or naturally occurring mineral deposits.
They improve biodiversity and long-term productivity of the soil.
In short, they are great.
Inorganic fertilisers have nutrients that are available much faster than organic (around 64% compared to 0.4%).
They also exist in compounds that allow plants to use the nutrients more efficiently.
But they do not have sufficient micronutrients to provide long-term soil health so, if you want food for a day, use inorganic.
If you want to reduce the use of pesticides, energy andfertilisers and eat for a lifetime from a biodiverse soil, use organic.
Dave Annetts runs a local landscaping business.
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