Methods_urea and ammonium nitrate were used as residence and inert components and fertilizers.He_alpha____EC solution 92-95% ammonium nitrate or urea respectively or simultaneously most of the kappa alpha________, only with diluents,In a tilted pi____________between 90 and 1_____By adjusting the temperature and grain size, the system of_________or___96Through the reset of the pre - pH.
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