Hello.Does a mature finished compost based on fruits and vegetables scrabs have a little content of potassium and phosphorus? If the answer is yes so how they are lost ?
Outside United States
Thank you for your question. Organic compost has the same nutrients as the plants upon which it is based. Here is an Extension article on this topic: https://ag.umass.edu/vegetable/fact-sheets/compost-use-soil-fertility