BOX EXBERIMENTS WITH PHOSPHORIC ACID. 



71 



RELATIVE WEIGHTS OF DRY MATTKR OF PLANTS GROWN WITH 

 PHOSPHORIC ACID— CONCLUDED. 



Crops. 



Pbosphate. 



Weiglit. 



Tomatoes. 



Potatoes. 



Carrots. 



Parsnips. 



Buck- 

 wheat. 



Sun- 

 flowers. 



Turnips, 

 roots. 



Rutabagas 

 roots. 



Cauli- 

 flower, 

 edible 

 portion. 



Kohlrabi, 

 edible 

 portion. 



Potatoes, 

 tubers. 



Carrots, 

 roots. 



Parsnips, 

 roots. 



Acid rock. 

 Floats. 

 Redonda. 

 No pbosphate 



A cid rock. 

 Floats. 

 Redonda. 

 No phosphate 



Acid rock. 

 Floats. 

 Redonda. 

 No phosphate 



Acid rock. 

 Floats. 

 Redonda. 

 No phosphate 



Acid rock. 

 Floats. 

 Redonda. 

 No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



Acid rock. 



Floats. 



Redonda. 



No phosphate. 



I 



