| http://www.w3.org/ns/prov#value | - are willing to take a chance that you can apply the fertilizer efficiently and avoid burning your lawn, ammonium sulfate 21-0-0 could be used.??? In many cases, however, 21-0-0 fertilizer is a threat to the environment because it is volatile, most of it is lost to the air or leached before the lawn can use it.??? The bottom line is that even if soil tests were very accurate and if there was variat
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