420 



APPENDIX 



IV. PLANT FOOD DRAWN FROM THE SOIL BY AVERAGE 

 YIELDS OF DIFFERENT CROPS 



(The analyses given in IV, V, VI, and VII are chiefly from New 

 York, New Jersey, Massachusetts, and Connecticut Experiment Station 

 Reports.) 



Name of Crop 



Nitrogen 



Phosphoric 

 Acid 



Potash 



Alfalfa 289 



Barley 78 



Buckwheat 63 



Cabbage 213 



Cauliflower 202 



Carrot 166 



Clover, red 171 



Clover, scarlet 95 



Clover, white 89 



Cowpea 254 



Corn 146 



Cotton 110 



Cucumber 142 



Hop 200 



Hemp 



Lettuce 41 



Meadow hay 166 



Oat 89 



Onion 96 



Pea 153 



Potato 119 



Rape 154 



Rice 39 



Rye 87 



Soja (Soy) bean 297 



Sugar cane 518 



Sorghum 446 



Sugar beet 95 



Tobacco 127 



Turnip 187 



Vetch 149 



Wheat Ill 



65 

 35 

 40 

 125 

 76 

 65 

 46 

 17 

 29 

 64 

 69 

 32 

 94 

 54 

 34 

 17 

 53 

 35 

 49 

 39 

 55 

 79 

 24 

 44 

 62 

 37 

 90 

 44 

 32 

 74 

 35 

 45 



181 



62 



17 



514 



265 



190 



154 



57 



58 



169 



174 



35 



193 



127 



54 



72 



201 



96 



96 



69 



192 



124 



45 



76 



87 



107 



561 



200 



148 



426 



113 



58 



