Many of them were unable to take food by mouth. The blood urea nitrogen values on which this study is based were determined by a modification of the method of Seligson and Seligson 3 in which the ...
28-32% N Materials (Non-Pressure). Various urea-ammonium nitrate-water (or UAN) mixtures are classified as "non-pressure" nitrogen materials and commonly make up the "feed" portion of a weed-and- feed ...
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