ly variable exhaust arrangements, that there is a very try villages should cultivate a patch of sweet pota- when they are first applied. great saving effected by their proper use ; the uni- toes. Never work the soil when it is very wet. Keep It will be seen by inspecting the cuts that the up- the… … The accompanying engrav- stems of the lower leaves may LATHEOP & CO.'S VARIABLE EXHAUST. ings represent a plan of varia- be covered, as then they will sprout again, if cut off by frost or worms. In ridges ble exhaust which, after constant use for the past two same in Fig. 1 as in Fig. 2 ; either…
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