Why Is It?

" Why is it that we do not get as largo crops of wheat now, on new land, as we did thirty years ago V" we heard une farmer aak another the other day. " I don't know," replied the other ; it is a problem I have thought much about, and I give it up. We now get our best wheat crops on old lands. Formerly we often reaped thirty to forty bushela per acre, but we cannot get suoh crops now." " I believe," said No. 1, " that it is owing to the destruction by inseots. As soon as the wheat plant begins to grow the insects begin their work. I cannot account for it on any other theory. We have got to resort to fall plowing to kill off the insects. We must plow all we can in the fall - our orohards, our corn fields and oat fields for next year ; plow all that we intend