Proceedings of the Society for Horticultural Science, 第 1-10 卷Society for Horticultural Science., 1905 |
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第 1 到 5 筆結果，共 100 筆
第 7 頁
... Agriculture and the Agricultural Colleges and Experiment stations . Section 7. The annual dues of the Society shall be two ( 2 ) dollars . Section 8. Ten members of the Society shall constitute a quorum . MEMBERS OF THE SOCIETY FOR ...
... Agriculture and the Agricultural Colleges and Experiment stations . Section 7. The annual dues of the Society shall be two ( 2 ) dollars . Section 8. Ten members of the Society shall constitute a quorum . MEMBERS OF THE SOCIETY FOR ...
第 11 頁
... Agricultural Colleges and Experiment Stations of the United States and Canada , of the United States Department of Agriculture and of the Central Experimental Farm of Canada . It was also addressed to various botanists and other ...
... Agricultural Colleges and Experiment Stations of the United States and Canada , of the United States Department of Agriculture and of the Central Experimental Farm of Canada . It was also addressed to various botanists and other ...
第 54 頁
... agriculture rather than with botany . It has taken hold of affairs and is no longer a ́ " chair , ” — for the professorial " chair " typifies the old sit - still method of teaching . Agriculture has divided by fission into a half dozen ...
... agriculture rather than with botany . It has taken hold of affairs and is no longer a ́ " chair , ” — for the professorial " chair " typifies the old sit - still method of teaching . Agriculture has divided by fission into a half dozen ...
第 72 頁
... Agricultural College , Mich . The relations which plants bear to their physical conditions , as soil , heat , moisture , and the like , are well understood in the main . Agriculture is and ever has been concerned with these relations ...
... Agricultural College , Mich . The relations which plants bear to their physical conditions , as soil , heat , moisture , and the like , are well understood in the main . Agriculture is and ever has been concerned with these relations ...
第 96 頁
... Agriculture Society of England , Vol . 64 , ( 1903 ) , pp . 365-376 . Pests of Fruit Trees . A resume of the Pests of the Orchard and Fruit Trees is given by M. C. Cooke , M.A. , LL.D. , with a good bibliography . Journal R. H. S. , Eng ...
... Agriculture Society of England , Vol . 64 , ( 1903 ) , pp . 365-376 . Pests of Fruit Trees . A resume of the Pests of the Orchard and Fruit Trees is given by M. C. Cooke , M.A. , LL.D. , with a good bibliography . Journal R. H. S. , Eng ...
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熱門章節
第 12 頁 - SEC. 2. That it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals; the diseases to which they are severally subject, with the remedies for the same; the chemical composition of useful plants at their different stages of growth; the comparative advantages of rotative cropping...
第 81 頁 - As to the general effect produced by grass on young apple trees, the results of the last few years have brought forward nothing which can in any way modify our previous conclusions as to the intensely deleterious nature of this effect, and we can only repeat that no ordinary form of ill-treatment — including even the combination of bad planting, growth of weeds and total neglect — is so harmful to the trees as growing grass round them.
第 12 頁 - ... varying series of crops; the capacity of new plants or trees for acclimation; the analysis of soils and water; the chemical composition of manures, natural or artificial, with experiments designed to test their comparative effects on crops of different kinds; the adaptation and value of grasses and forage plants; the composition and digestibility of the different kinds of food for domestic animals; the scientific and economic questions involved in the production of butter and cheese; and such...
第 13 頁 - ... of crops ; the capacity of new plants or trees for acclimation ; the analysis of soils and water ; the chemical composition of manures, natural or artificial, with experiments designed to test their comparative effects on crops of different kinds ; the adaptation and value of grasses and forage plants ; the composition and digestibility of the different kinds of food for domestic animals ; the scientific and economic questions involved in the production of butter and cheese ; and such other researches...
第 81 頁 - The following gives the gist of the results of the experiments in question : "As to the general effect produced by grass on young apple trees, the results of the last few years have brought forward nothing which can in any way modify our previous conclusions as to the intensely deleterious nature of this effect, and we can only repeat that no ordinary form of...
第 81 頁 - The United States Department of Agriculture has published a number of observations and experiments to show that different plants growing in the same soil may poison each other. I am able to give also the results of a most excellent series of experiments planned and carried out on the Woburn Experimental Farm in England. These experiments were planned to show the effects of growing trees in grass, the latter to be used as a mulch. The following gives the gist of the results of the experiments in question...
第 91 頁 - For a more detailed discussion of this subject the reader is referred to Miner's Circular 4, "The Use and Care of Mine Rescue Breathing Apparatus,
第 40 頁 - Meyer, of the Bureau of Plant Industry of the United States Department of Agriculture...
第 70 頁 - Ib. per acre) have given almost exactly the same returns as the average check. The phosphate and potash combination has affected yield in this case rather decidedly, having raised it by 123 bushels per acre. This may be partly due to a slight superiority in location, as indicated by the fact that its adjacent check is the highest in yield and is within 88 bushels of the phosphate-potash treatment.
第 34 頁 - The origin, the first home of the plants most useful to man, and which have accompanied him from the remotest epochs, is a secret as impenetrable as the dwelling of all our domestic animals. . . . We do not know what region produced spontaneously wheat, barley, oats, and rye. The plants which constitute the natural riches of all the inhabitants of the tropics, the banana, the papaw, the manioc, and maize, have never been found in a wild state.