Tag Archives: nitrogen

Soil fertility – The NPK group – Nitrogen

Nitrogen To produce leafy growth plants need more nitrogenous compounds. Through photosynthesis they break these down to extract the nitrogen required to create leaf cells. This means they need a compound that is rich in nitrogen. Usually we use urea or ammonium sulphate based fertilisers to increase the nitrogen available for plants. Chicken manure is […]

Soil fertility and plant nutrients

We have looked at soil structure which is usually the key to a good garden in most areas but we should also discuss fertility here as well. Fertility is the result of three factors: Structure – it doesn’t matter how rich your soil is in nutrients if the plant can’t get to them or the […]