Hydro-fertilisers have been exclusively designed for Hydroseeding applications. These fertilisers deliver immediate slow release NPK (Nitrogen, Phosphorus and Potassium) to emerging grass plants to promote and accelerate growth.
Phosphorus is a key nutrient to consider when planting grass. Contractors should be aware that there are some areas that have laws limiting or prohibiting its use, so this should be taken into account.
Before choosing your fertilizer, it is important to take random soil samples from the job site and send the samples to a professional soil-testing lab for analysis and nutrient recommendations. The samples should be randomly taken over the entire site to a depth of 2 to 3 inches. The soil test will determine soil pH, fixed nutrient levels in the soil and will identify soil contamination that might be present. If soil testing is not done, a starter fertilizer that is high in Phosphorus should be used to help the new seedlings establish rapidly.
Fertiliser is added to the hydroseeding mixture and is applied as part of the hydroseeding process. Hydro-fertilisers are specially designed to provide young seedlings with the necessary nutrients they require to establish strong root mass.