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My word remains my bond.you produce a decent crop and my wok and kitchen are here to cook them for you.
Don't know the equivalent because I am a spongecake when it comes to that sort of thing but it appears that in the US fertilizer bags are labeled with at least three numbers. I have copied the following. These numbers list the percentage of nitrogen (N), available phosphate (as P2O5) and soluble potash (as K2O). These numbers represent nitrogen, phosphorous and potassium, commonly referred to as N-P-K. However, these elements are symbolically represented as N-P2O5-K2O. For example, if we have a 100- pound bag of fertilizer labeled 10-10-10, it contains 10 pounds of N, 10 pounds of P2O5, and 10 pounds of K2O. To convert to actual phosphorus, multiply the P2O5 by 0.44 and, to convert to actual potassium, multiply the K2O by 0.83. The other 70 pounds is filler or carrier which is important to help spread the fertilizer evenly and avoid burning plants with too much fertilizer. A 100-pound bag of fertilizer labeled 0-20-10 would contain no N, 20 pounds of P2O5, 10 pounds of K2O and 70 pounds of filler or carrier. Fillers may be clay, saw dust etc. Other parts of the nutrient carrier may be other elements associated with the nitrogen, phosphorous, and potassium such as hydrogen, oxygen, calcium, and chloride.