APAC Vinca webinar 2: Successful finish

Young plant stage. Feed your plants.

• Translate 75―125 ppm of nitrogen to gram of NPK. • Do not use too much phosphorus! • Suitable NPK rate: 15-5-15, 15-3-15 15-5-10, 18-5-15, 17-5-17. How to convert ppm of N into mass of fertilizers?  The range of nitrogen recommended in the growing tips is 57―125 ppm.  Let’s start with 75 ppm.  75 ppm means 75 mg should be added into 1 l of water.  There is available fertilizer with NPK rate like 15–5–17 % on the farm.  NPK rate like 15–5–17 contains 15 mg of nitrogen in 100 mg.  Thus, to get 75 mg of nitrogen we need to take: (75 x 100)/15 = 500* mg of fertilizer.

Proper NPK rate

Feed your plants.

* 500 (0.5 g) provides EC in the water about 0,7 ―0,9 mSm /cm

! Don’t forget to provide Ca and Mg every 5 th or 6 th watering!

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