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Soils, Fertilizers and Irrigation

- If Your Land Needs It At All
Alfalfa Over Hardpan
Alkali Gypsum And Shade Trees
Almond Hulls And Sawdust
An Abuse Of Grape Pomace
Application Of Manure Ashes
Applying Thomas Phosphate
Artesian Water
Ashes And Poultry Manure
Barnyard Manure And Alkali
Blasting Or Tiling
Bones For Grape Vines
California That I Am Very Much Puzzled Which Kind To Select
Caustic Lime Not A Good Absorbent
Charcoal Is A Medicine Not A Food

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1/2 Pounds Gain In Weight Per Day
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4 Ounces Olive Oil She Will Recover After Parturition
50 Per Cent Was White While The Balance Was Yellow And Went To The Top
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A Dry Mash
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A Sterile Cow
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I Have A Top Soil Of Rich Loam Containing Small Rocks And Pebbles

Underneath it is washed gravel, rocks, boulders, yellow sand, etc. What
is the limit as to thinness before trees will not grow, or thrive?

Orange trees are growing quite successfully on shallow soil overlying
clay where the use of water and fertilizers was carefully adjusted so as
to keep the trees supplied with just the right amount. Under such
conditions a good growth may be expected so long as this treatment is
maintained. There should be, however, not less than three feet of good
soil to make the large expenditure necessary to establish an orange
orchard permanently productive, and all the depth you can get beyond
three feet is desirable. We question the desirability of planting orange
trees even on a good soil overlying gravel, rocks or sand. Roots will
penetrate such material only a short distance usually. It is almost
impossible with such a leachy foundation to keep the surface soil
properly moistened and enriched; You are apt to lose both water and
fertilizer into the too rapid drainage.

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