All Chempak Soluble Plant Foods and Fertilisers contain a range of specially formulated essential trace elements which are absolutely necessary for plant growth,providing the right nutrition at the right time. Chempak Vegetable Fertiliser is an all-purpose base and top dressing with four distinct phases of release of the most important plant food; nitrogen, released in a steady flow over a period of time, in conjunction with phosphates and potash providing your plants with all the nutrients they need throughout the season.