Need help with Dyna-Gro Grow Fert.

[Kona's Gold]

OK I am now going to try some Liquid Fert Dyna-Gro Grow 7-9-6 and I need to know how to get the 120ppm total nitrogen. I looked at the Understanding pH management and plant nutrition but I did the formula and came up with .48 oz per 2 gallons for 120ppm . That seems like a excessive amount when the label says to use 1/4-1/2 tsp per gallon. Should I stick with 1/2 tsp per gal. or what? I found their KLN to be just fantastic for root formation so I wanted to try their Fert. I am also trying some clear pots to see how the Orchids do in them. I have to mail/web order all of these because there is not one store here on this island that sells these products. I have asked some of the Farm/Garden shops if they would carry them but since I am the only one asking for them they would not order any. Shipping to here is a killer unless I can find a dealer that ships USPS I would have to sell my house if I could only use FedEx or UPS.

Any help on the Fert problem would be helpful.

Roland

[Ray]

If you divide 10 by the %N on the label, the result is the number of teaspoons per gallon to use to get 125 ppm N. In the case of "Grow", that's 1.43 teaspoons, or roughly a tablespoon per 2 gallons, and as an ounce is two tablespoons, your calculation looks right.

Dave Neal, the owner of D-G, has told me that he prefers a very dilute fertilizer solution - no more than about 50 ppm N - as the plant, looking for food and water, will grow more roots. I used to feed at that rate, but have better results at the 125 ppm N level.

See if you can get your mail order vendor to use a USPS flat-rate box, as I do when shipping outside of the continental US - it's really not all that bad.

[Kona's Gold]

Thanks Ray for your very useful information and I am glad to hear you use the flat rate box I will be in contact soon.
Thanks again & Merry Christmas
Roland