What are NPK Fertilizers NPK stands for "nitrogen, phosphorus, and potassium"— the three nutrients that make up NPK fertilizers, and it's one of the first things you'll notice on fertilizer packets. This fertilizer is a 8-2-12 mix. # 3. Osmocote Flower & Vegetable Plant Food. This is one of the best Garlic fertilizers that promote vigorous growth and root development for Garlic. It is a must-have for anyone who wants to grow Garlic, vegetables, and perennials. BEST BANG FOR THE BUCK: Milorganite 6-4-0 Slow-Release Nitrogen Fertilizer; BEST PLANT-BASED: The Andersons Innova 7-1-2 Organic Lawn Fertilizer; MOST VERSATILE: Down to Earth Organic Bio-Turf 8-3 According to the product label, 17-7-10 is the NPK number of this fertilizer and this is the perfect ratio for Bougainvillea and other flowering vines to promote healthy growth and flowers. This fertilizer has 13.40% urea nitrogen out of 17%. Remember; urea fertilizer feeds the plant aggressively. When flowering. At this stage, the tomato plant needs potassium so that the potassium level in the soil becomes twice higher than that of nitrogen. Pick a fertilizer with an NPK ratio of 8-32-16 or 6-24-24 for best results. Instructions for spreading the product will vary with the type of tomato fertilizer you choose. The best fertilizers for beans have an NPK value of 5-10-10 and are therefore low in nitrogen (N) and higher in potassium (P) and phosphorus (K). Nitrogen can increase the yield if the soil you are planting in is low in nitrogen (N). If there is sufficient nitrogen (N) present dry beans take in nitrogen through the atmosphere and no nitrogen (N .

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