. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. Fig. 236.—Acme pulverizing harrow used as a general purpose harrow. It is used forsmoothing newly plowed ground or for the final preparation of a garden seed bed. It is agood orchard Fig. 237.—The spike tooth harrow with lever adjustments by which the slant of the teeth is controlled. harrow. In northern latitudes the crimson clover may be omittedfrom this mixture and the q
. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. Fig. 236.—Acme pulverizing harrow used as a general purpose harrow. It is used forsmoothing newly plowed ground or for the final preparation of a garden seed bed. It is agood orchard Fig. 237.—The spike tooth harrow with lever adjustments by which the slant of the teeth is controlled. harrow. In northern latitudes the crimson clover may be omittedfrom this mixture and the quantity of the other seeds slightlyincreased. THE SPRAYING CAMPAIGN 333 The spring plowing may be delayed until the winter cover crophas made a slight spring growth. The plowing will then turn undera good growth of green manure. This should supply an abundanceof nitrogen, so that no other nitrate fertilizer need be used. The only commercial fertilizer in that case which needs to beadded would contain phosphoric acid and potash. If the trees aremaking a good growth and are not bearing much both of theseplant foods are needed. On medium soils use about 150 or 200pounds per acre of a mixture containing six to eight per cent ofeach of these plant foods. Pruning Work of the Year.—The chief pruning of either theapple or peach orchard should come in the winter season. Specialdirections for this hav
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
