This formula will work well for many vegetable gardens providing your soil is in superior ailment, to start with. In case you have far too much P or K in your backyard based on your soil test, cut out the bone meal (P) or feather meal (K) as required. Sử https://npk-hcmc57891.suomiblog.com/the-2-minute-rule-for-npk-15-15-15-vietnam-grease-45264624