Real World Gardener Podcasts

Plant Nutrition Deficiencies:Phosporus and Potassium We have talked bout the role nitrogen played in played health and what to look for if a plant was deficient in one of the major nutrients, being Nitrogen. In fact there are three major nutrients which are classified as NPK ratio on the back of all fertilisers. So in this part of the blog, we carry on with the two other major or macro nutrients. Let's look at phosphorus deficiency Phosphorus is responsible for the development of flowers and fruits and roots. Phosporus is known as a mobile nutrient which can move around the plant to where it's needed. Phosphorus deficiency happens more often in cold weather or gardens receive high rainfall, or a combination of both. Often affects heavily fruiting plants such as citrus. N..B. native plants are highly sensitive to phosphorus, so avoid spreading phosphate fertilisers near these plants. First Symptoms: Older leaves become quite a dark green then develop a purplish tinge.   Tips will then dry off. Not