npk calculator

This is a question for a medical growth in a big 3'x3'x1.5' no till container Indoor with the objective to have a very clean product. I'm struggling to make any calculus with organic soil amendments. I'm in Europe. I use products from local supply, Terralba, BioBizz and Ecothrive and I try...

Hello. i find this app in apple store, there is their website npkcalculator.com. They said that you can optimizing the ratio of macronutrients and micronutrients in your fertilizer solution for use in hydroponics. So you can Prevent fertilizer burns and nutrient lock-out. get more better...