Knowledge grows in South Africa
Calculating fertilizer requirements for a crop is quite often more of an art than exact science. The reason is that soil is a dynamic micro world on its own that changes continuously. It is full of microscopic living organisms such as bacteria, viruses and insects that feed on it and break complex compounds down on…
The nutrient uptake of vegetable crops are used to determine very rudimentary fertilizer recommendations if you have nothing else to go by. A lot of purists will be up and arms of these guideline tables, but none of them can come up with a simple method of determining fertilizer recommendations that an average non-scientific farmer…
