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Updated: May 19, 2025
If two million pounds of normal surface soil contain 30,000 pounds of potassium, one inch an acre would contain 4500 pounds of that element; and if a third of this 1500 pounds were removed by cropping and leaching before its removal by surface washing, then two-thirds of a century could be allowed for the erosion of one inch of soil, with crop yields of 50 bushels of wheat, 100 bushels of corn and oats, and 4 bushels of clover seed to the acre, provided the stalks, straw and clover hay were returned to the land, either directly or in farm manure.
Can it be done by leaching soil from old alfalfa ground, providing it has been plowed up and allowed to stand for a year? Are commercial inoculants a safe thing to inoculate with? Apparently alfalfa does not need inoculation in this State. Probably not one acre in ten thousand now profitably growing alfalfa has ever had artificial introduction of germs.
"All filtered solutions and washings from the leaching vats are saved and passed through a precipitating 'box' of novel construction, which may consist either of glass, iron or wood, and be made in any shape, either oval, round, or rectangular if the latter, it will be about 10 ft. long, 4 ft. wide and 1 ft. high and is partitioned off lengthwise into five compartments.
"Then there's the soil the richest soil in the world. Just dry enough to keep it from leaching. Natural possibilities for irrigation wherever necessary " "I'm not sure about it as a grain country," interrupted Dave, with a touch of antagonism. "That is because you were brought up on a ranch, and are a rancher at heart," Conward shot back.
At Leadville the case is not so plain, and yet no facts can be cited which really prove that the ore deposits have been formed by the leaching of the overlying porphyry rather than by an outflow of heated mineral solutions along the plane of junction between the porphyry and the limestone.
The coarse is unsatisfactory if the price is not low enough to permit an application sufficient for a considerable term of years, so that it will contain all the fine material needed at once. In that case the coarser material may be expected to meet later need, and may be even more desirable for such purpose, as it would not be subject to leaching.
It is stated that he provided the necessities at his own expense, defraying the cost of transportation and distribution. Later, powder was made by the settlers of Kentucky by leaching saltpetre from the soil in various sections and combining it with charcoal and other ingredients.
No form of cesspool, no leaching vault, and no cemented tank, should be allowed under any circumstances. Neither should there be permitted any form of the old-fashioned out-of-door privy with a vault. Every household should be supplied with water-closets or well-arranged earth-closets, to which reference will be made below.
Another valid argument against extreme fineness of the stone used in liberal applications is the danger of loss by leaching. Soils are so variable in their ability to hold what may be given them that it is idle to offer any estimate on this point.
A conviction of the necessity of leaching some system of action, and the abundant success of the present system in one of the most respectable academies near London, has determined him to publish it, for the use of such seminaries as make English pronunciation a part of their discipline.
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