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Show Discussicn on Soils QI WOULD like to ask Professor Miller vsiuit he calls an, average soli. A. Tin- average soil of Missouri, all over the state, would contain around 3.000 pounds of nitrogen. 1,000 of phosphorus 0,000 of potassium. In Carton county there are Mj pounds of phosphorus to the acre near Lamar; anrl near Adrian. Hales county, there are C'."8 pounds. But the above is an average fur tile slate. Q. How much phosphorus did you say to use on an acre of average Missouri soil? A. Sixty to seventy pounds of phosphate rock per ton of manure. Q. Would tliat be enough to supply the needs of a live-acre rotation? A. Ve-s. If you feed everything back .vice .vi-ce pt wheat. Q. Io you apply manuro once In five ars ' A. Yes. once in a five-year rotation, and that before corn. Q. In you have to buy rock phosphate In car loads? A. Yes, to get the price of 5 in. If you buy In small lots It will cest you In the neighborhood e.f $1.1 per ton. freight included. e. Is one form of phosphate rock better than another? A. Yes, there Is some variation. We have been buying from Tennessee. I. Aft.r you have succeeded in getting I a crop of cowpeas how do j oil treat the land to gT l the best results? A. lilt her "hog" them off or take off with sheep o. Would you advise burning stubble off e.f . lands".' A. No; It Is never wise to burn off anyv llilng. II depends somewhat on the system you ate figuring on. If you want a crop the next year it vv III .sometimes pay; but If you are figuring on crops in the future it never pays Missouri Banners' Institute. |