Monthly Archives: November 2015

Fertility and the NPK group – Potassium

Potassium Potassium is generally linked to seed, flowers and fruit production. It is highly soluble and easily leached out of the soil. For this reason is uis more common in sandy soils. Though it is present in manure in small quantities, it is much higher in ash. Primitive cultures discovered that burning off the vegetation […]

Fertility and the NPK group – Phosphorus

Phosphorus is usually associated with root growth. Plants grown in soils deficient in Phosphorus are usually stunted. Adding phosphate fertilisers to new plants is a common practise that produces rapid lush growth, however it does not increase the final yield in many cases. For this reason grazier farmers add superphosphate (or super as it is […]