1912.] 



PUBLIC DOCUMENT — No. 31. 



G7 



Table 4. — Showing the Percentage of Coarse and Fine Material in Rose 



Soils. 



All the soils shown in this table are from locations where 

 roses are grown to perfection. A casual glance, however, at 

 the mechanical analyses of these soils given in Tables 3 and 4 

 shows that they are somewhat higher in the finer particles than 

 most of the Massachusetts soils. The clay runs from 6 to 2!) 

 per cent, in the soils shown in Table 3, while the very fine 

 sand, silt and clay run from 67.18 to 88.15 per cent. The 

 gravel, coarse and medium and fine sand run from 1.92 to 

 24.33 per cent. (See Table 4.) In our experiment soil the 

 very fine sand, silt and clays run from 52.40 to 75.79 per cent., 

 while the coarse particles, namely the gravel, coarse, medium 

 and fine sand, run from 14.09 to 22.63 per cent. In most of 

 the types the silts run higher than in our typical Massachusetts 

 soils, although in some cases the very fine sand and silt arc 

 less than those found in some Connecticut valley soils. 



