EXERCISE 31 (Continued) (81) 



QUESTIONS 



1. How would you distinguish nitrate of soda from muriate of potash? 



2. How does rock phosphate differ from acid phosphate? 



3. Is the phosphoric acid in dissolved bones more available than in acid 



phosphate? 



4. How does dried blood differ from tankage? 



5. What is the use of peat or muck in mixed fertilizers and what is its fertility 



value? 



6. Is lime a good material to use with mixed fertilizer and why? 



