460 University of California Publications in Agricultural Sciences [Vol. 3 



Table 78 — Hanford Fine Sandy Loam, Second Crop 

 Bur Clover (following milo B) 



Planted, November 22, 1916. Harvested, June 25, 1917 



Notes 



San Joaquin sandy loam. — The samples of this type were the last 

 to be weighed into pots and planted, because of the lack of available 

 greenhouse space ; therefore the time allowed for the growing of but 

 one crop, instead of two, on each pot of soil. The crops used were 

 wheat, barley, rye, oats, bur clover (Medioago sp.), and Melilotus 

 indioa. As was done for the other types, an excess of seed was 

 planted. When the plants were well established, thinning reduced 

 the number to six plants per pot. 



Since the specific gravity of this soil was high, because of the large 

 amount of quartz and the small amount of organic matter in its com- 

 position, six kilos of soil, instead of five, were weighed out into each 

 pot. The samples of this type have the very annoying peculiarities 

 of becoming very mushy if an excess of water be added, and of setting 



