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The way a few black walnut trees in my apple orchard have snapped their buds and grown in response to the nitrate of soda that has been put upon the apple trees beside has been little short of astounding. The way a poor little starveling persimmon wakes up when the same treatment comes along, is equally interesting. I cannot speak definitely yet about the influence of fertilizer on the Persian walnut or the pecan. In connection with the fertilization matter, it is well known that a crop of clover or other legumes is very important as a part of the rotation of crops in plow agriculture. Similarly I expect great value can be obtained in our pastured and fertilized nut orchards if we so treat the soil with lime, phosphorous, and whatever else is needed, to give a good mat of white clover and other legumes which are undoubtedly a good nitrogen supply for trees whose roots interlace with theirs. Similarly I see great possibilities in the interplanting of some leguminous crop tree such as the honey locust or the Kentucky coffee bean in our nut orchards. It is true neither of these trees has yet been selected and developed to the crop point, but they are much more promising than Sargent says the wild Persian walnut was at its beginning. It is an established fact that a non-leguminous plant can take nourishment from the nitrate-bearing nodules on the roots of adjacent living legumes, to say nothing of its well-known ability to feed upon the nitrate collections of legumes that have lived in past seasons within reach of its roots. Thus the interplanting of a legume and a nut tree seems to promise a continuous supply of the all-important nitrates for the nut tree. _The Question of Moisture._ It is not necessarily true that a tree gets a low percentage of the local rainfall because it is not plowed. The last palliation, or is it provocation, that I would throw into the camp of the orthodox and the worshippers of the plow, is the water-pocket, or small field reservoir, draining a few square rods and holding hard by the roots of a tree a few gallons or a few barrels of water which would otherwise run away. I showed this association a number of photographs of these water-pockets last year. Their most extensive American user, Dr. Mayer, considers them successful from the tree's standpoint and profitable from the economic standpoint. Since the great virtue of cultivation is the conservation of moisture, I will submit that this
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