Describe and explain the results for the radishes grown without nitrate ions (group 2).

1 less growth than the, control / complete medium / group 1 ; 2 leaf / root, mass per plant is less than, control / group 1 ; 3 comparative use of figures per plant, calculated / stated, from the table with units; 4 (nitrate (ions) / nitrogen) required to make, amino acids / proteins ; 5 any one use of proteins in plants ;