The chances are that you will not find a spot of ideal garden soil ready for use anywhere upon your place. But all except the very worst of soils can be brought up to a very high degree of productiveness— especially such small areas as home vegetable gardens require. Large tracts of soil that are almost pure sand, and others so heavy and mucky that for centuries they lay uncultivated, have frequently been brought, in the course of only a few years, to where they yield annually tremendous crops on a commercial basis. So do not be discouraged about your soil. Proper treatment of it is much more important, and a garden- patch of average run-down,—or "never-brought-up" soil—will produce much more for the energetic and careful gardener than the richest spot will grow under average methods of cultivation.
The ideal garden soil is a "rich, sandy loam." And the fact cannot be overemphasized that such soils usually are made, not found. Let us analyze that description a bit, for right here we come to the first of the four all-important factors of gardening—food. The others are cultivation, moisture and temperature. "Rich" in the gardener's vocabulary means full of plant food; more than that—and this is a point of vital importance—it means full of plant food ready to be used at once, all prepared and spread out on the garden table, or rather in it, where growing things can at once make use of it; or what we term, in one word, "available" plant food. Practically no soils in long- inhabited communities remain naturally rich enough to produce big crops. They are made rich, or kept rich, in two ways; first, by cultivation, which helps to change the raw plant food stored in the soil into available forms; and second, by manuring or adding plant food to the soil from outside sources.
"Sandy" in the sense here used, means a soil containing enough particles of sand so that water will pass through it without leaving it pasty and sticky a few days after a rain; "light" enough, as it is called, so that a handful, under ordinary conditions, will crumble and fall apart readily after being pressed in the hand. It is not necessary that the soil be sandy in appearance, but it should be friable.
"Loam: a rich, friable soil," says Webster. That hardly covers it, but it does describe it. It is soil in which the sand and clay are in proper proportions, so that neither greatly predominate, and usually dark in color, from cultivation and enrichment. Such a soil, even to the untrained eye, just naturally looks as if it would grow things. It is remarkable how quickly the whole physical appearance of a piece of well cultivated ground will change. An instance came under my notice last fall in one of my fields, where a strip containing an acre had been two years in onions, and a little piece jutting off from the middle of this had been prepared for them just one season. The rest had not received any extra manuring or cultivation. When the field was plowed up in the fall, all three sections were as distinctly noticeable as though separated by a fence. And I know that next spring's crop of rye, before it is plowed under, will show the lines of demarcation just as plainly.
This, then, will give you an idea of a good garden soil. Perhaps in yours there will be too much sand, or too much clay. That will be a disadvantage, but one which energy and perseverance will soon overcome to a great extent—by what methods may be learned in Chapter VIII.
DRAINAGE
There is, however, one other thing you must look out for in selecting your garden site, and that is drainage. Dig down eight or twelve inches after you have picked out a favorable spot, and examine the sub-soil. This is the second strata, usually of different texture and color from the rich surface soil, and harder than it. If you find a sandy or gravelly bed, no matter how yellow and poor it looks, you have chosen the right spot. But if it be a stiff, heavy clay, especially a blue clay, you will have either to drain it or be content with a very late garden—that is, unless you are at the top of a knoll or on a slope. Chapter VII contains further suggestions in regard to this problem.
SOIL ANTECEDENTS
There was a further reason for, mentioning that strip of onion ground. It is a very practical illustration of what last year's handling of the soil means to this year's garden. If you can pick out a spot, even if it is not the most desirable in other ways, that has been well enriched or cultivated for a year or two previous, take that for this year's garden. And in the meantime have the spot on which you intend to make your permanent vegetable garden thoroughly "fitted," and grow there this year a crop of potatoes or sweet corn, as suggested in Chapter IX. Then next year you will have conditions just right to give your vegetables a great start.