Sulfur is one of the components of some amino acids, protein, and co-enzyme A (co-enzyme A plays a crucial role in enzyme catalyzed reactions within the plant); when absent, marked losses in production will result.
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SYMGET function returns macro variable at execution SYMGLOBL function tests for global scope SYMLOCAL function tests for local scope CALL SYMPUT routines assigns DATA step values to macro variables Retrieving Macro Variable Values SYMGET places values of macro variables into the PDV at execution time. Syntax: DATAstepvariable=SYMGET(argument); argument can be: