Fruit Culture: Sour Orange Stock; Fertilizing and Methods of Compounding Fertilizers; Injurious Insect Pests; Parasites; and Observations

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J.D. Young, Superintendent State Printing, 1890 - Citrus - 20 pages
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Page 19 - ... be the measure of the crop. A hundred pounds of potash applied would not give a larger yield than five pounds (and so of the other two elements), if there is not a proportionate increase of the other elements. ' " The right way is to make the most and best manure that is practicable upon the farm, and piece out with such commercial fertilizers as experiments and experience prove profitable. At the same time there are many cases, especially near cities, where everything depends upon getting the...
Page 14 - ... the seeds of mischief to the orange- grower. RAVAGES OP THE RTTST-MITE. The Mite known only upon Plants of the Citrus Family. — The Bust-mite attacks indiscriminately the various species of Citrus in common cultivation, but has not been observed to feed upon plants of any other genus. It is found upon the Lime, Lemon, Citron, Shaddock, Bigarde, and Tangerine, and none of the varieties of the Orange are known to be in any degree exempt. Upon the leaves and fruit of all these species of Citrus...
Page 18 - It also holds latent nitrogen, sometimes as high as 3 per cent, which is six times as much as in average stable manure. This is made plant food by the application of lime or carbonate of potash. Humus is not in itself plant food. It is not necessary for the yield of heavy crops. PHOSPHORIC ACID. This, the third substance in the three components of a complete fertilizer, is composed of the element phosphorus, combined with the gas oxygen. The four great resources for phosphoric acid are the mineral...
Page 19 - Fertilizer;' in some form can be made to last like barnyard manure, and feed several successive crops with a single application. For instance, in ashes and bone we have all the elements for a complete manure, when all that is required is to apply an extra quantity of ashes and a portion of the bone in a coarse state. Ashes are always enduring in their effect, and the coarser bone will be years in decaying and setting free nitrogen and phosphoric acid. To continually apply but a single one of the...

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