These results were obtained in one region under its conditions and it is quite possible, although not probable, that other conditions might give different results. There are, however, special conditions as will be pointed out later, under which the sod mulch method might be more advisable than tillage. It is cheaper, makes a cleaner cover for the drop fruit, avoids the damage from tillage implements to which tilled trees are liable, and can be practiced on lands too steep to till. It often happens, too, that it fits into the scheme of management on a general farm better than the more intensive and specialized system of cultivation. And it must be remembered that we are dealing with this question from the point of view of the home farm rather than of the commercial orchardist. So that where the sod mulch gives equally good results it would be preferred under these conditions. LATE FALL AND EARLY SPRING PLOWING.--The common tillage practice in the sections where it is most followed is to plow either in late fall or as early as possible in the spring. Whether fall or spring plowing is best depends on two things: the character of the soil and convenience. On heavy clay soils where drainage is poor it is not advisable to plow in the fall as the soil is apt to puddle and then to bake when it dries, making it hard to handle. On gravel loams, medium loams, and all well drained soils which are fairly open in texture either fall or spring plowing is practiced depending on which period affords the most time. On the general farm where there are several crops for which the land must be prepared in spring, it would seem best to get as much of the plowing as possible done in the fall. But a large crop of apples or a large and late corn husking or potato digging may interfere with this on some farms and make spring plowing more desirable. Always plan this work in connection with the other farm work so as to give the best distribution of labor. After fall plowing either the spring-tooth harrow or the disk harrow is best to use to work up the soil and no time should be lost in getting at this as soon as the land is dry enough in the spring. Sometimes the disk harrow can be used to work up the soil in the orchard in the spring without any plowing at all, especially on loose loams where there are few stones. But on newly plowed land a disk cuts too deep and there is too great danger of injuring the roots. On spring plowed land the spring-tooth harrow usually gives the best results. After the soil is thoroughly fined and worked into a mellow bed and as soon as the period of excessive moisture in spring is passed, a lighter implement like the smoothing harrow or a light shallow digging cultivator should be used to stir the surface of the soil only.