PLATE LXXXIV 
Clover, flax, and cotton seedlings, showing the relation of green manures to germina¬ 
tion in sterilized and unsterilized soil: 
Fig. i.—Clover: A , control; B, 1.5 per cent of chopped green oats added and the 
mixture sterilized; C, 1.5 per cent of chopped green oats added and the mixture not 
sterilized; D, 3 per cent of chopped oats added and the mixture sterilized; E, 3 per 
cent of chopped oats added and the mixture not sterilized. 
Fig. 2.—Clover: A , control; B, 1.5 per cent of chopped clover added to the soil 
and the mixture sterilized; C, 1.5 per cent of chopped clover added to the soil and the 
mixture not sterilized; £>, 3 per cent of chopped clover added to the soil and the 
mixture sterilized; E, 3 per cent of chopped clover added to the soil and the mixture 
not sterilized. 
Fig. 3.—Flax: A, control; B, 1.5 per cent of chopped oats added to the soil and the 
mixture sterilized; C, 1.5 per cent of chopped oats added to the soil and the mixture 
not sterilized; £>, 3 per cent of chopped oats added to the soil and the mixture steri¬ 
lized; E, 3 per cent of chopped oats added and the mixture not sterilized. 
Fig. 4.—Flax: A, control; B, 1.5 per cent of chopped clover added and the mixture 
sterilized; C, 1.5 per cent of chopped clover added to the soil and the mixture not 
sterilized; D, 3 per cent of chopped clover added to the soil and the mixture sterilized; 
E , 3 per cent of chopped clover added to the soil and the mixture not sterilized. 
Fig. 5.—Cotton: A , control; B, soil sterilized; C, 1 per cent of chopped clover 
added to the soil and the mixture not sterilized; D, 1 per cent of chopped oats added 
to the soil and the mixture not sterilized; E, 1 per cent of chopped clover added to 
the soil and the mixture sterilized; F, 1 per cent of chopped oats added to the soil 
and the mixture sterilized. 
Fig. 6.—Cotton: A , control; B, 1.5 per cent of chopped clover added to the soil 
and the mixture sterilized; C, 1.5 per cent of chopped clover added to the soil and the 
mixture not sterilized; D, 3 per cent of chopped clover added to the soil and the 
mixture sterilized; E, 3 per cent of chopped clover added to the soil and the mixture 
not sterilized. 
