They take plant food which the plant should have.
Spading and plowing bring about conditions necessary for the sprouting or germination of seeds.
Spading and plowing also tend to bring about conditions necessary for the very important work of certain of the soil bacteria.
PARTS OF A PLOW
It will be found that a good farm plow has the following parts ([Fig. 50]):
A standard or stock, the central part of the plow to which many of the other parts are attached.
FIG. 49.—SPADING-FORK AND SPADE[ToList]