Botanical Abstracts, Volume 12Williams & Wilkins, 1923 - Botany |
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Page 627
... important factor in erosion . The soil is comparatively rich . Excessive sheep grazing and burning combined with the depredations of rabbits destroyed many of the better forage plants and broke up the soil cover so that barren areas ...
... important factor in erosion . The soil is comparatively rich . Excessive sheep grazing and burning combined with the depredations of rabbits destroyed many of the better forage plants and broke up the soil cover so that barren areas ...
Page 632
... important economic crop , and to emphasize its value as a human food . The soybean is discussed with relation to its commercial status , botanical history , agricultural history , culture , harvesting and storage , composition ...
... important economic crop , and to emphasize its value as a human food . The soybean is discussed with relation to its commercial status , botanical history , agricultural history , culture , harvesting and storage , composition ...
Page 634
... important . While yield of straw is closely associated with height of plant , this yield varies greatly from year to year . Early varieties mature in 75–80 days from emergence . Mid - season varieties require about 10 , late varieties ...
... important . While yield of straw is closely associated with height of plant , this yield varies greatly from year to year . Early varieties mature in 75–80 days from emergence . Mid - season varieties require about 10 , late varieties ...
Page 636
... important of these was the oak , the acorn - meal of which is still used as food in the Mediterranean region and by the Indians . - A . W. Evans . 3737. BURNAT , EMILE . Autobiographie publié avec une étude sur le botaniste et son ...
... important of these was the oak , the acorn - meal of which is still used as food in the Mediterranean region and by the Indians . - A . W. Evans . 3737. BURNAT , EMILE . Autobiographie publié avec une étude sur le botaniste et son ...
Page 640
... important local flora was published in 1828 by J. Becker [ see Bot . Absts . 12 , Entry 3760 ] and bears the title , Flora der Gegend um Frankfurt a . M. A 3rd , by G. Fresenius , dated 1832 , was the Taschenbuch zum Gebrauch auf ...
... important local flora was published in 1828 by J. Becker [ see Bot . Absts . 12 , Entry 3760 ] and bears the title , Flora der Gegend um Frankfurt a . M. A 3rd , by G. Fresenius , dated 1832 , was the Taschenbuch zum Gebrauch auf ...
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Absts Acad acid acres Agric agricultural Amer amylase ANONYMOUS Bact bacteria Bacterium Beekeeping Biochem Biol BOTANICAL ABSTRACTS bryophytes Bull cane caused cells cent chlorophyll chromosomes clover color Compt crop cultivation culture described determined Deutsch dextrose discussed disease distribution Echinocactus Editor effect emulsin enzyme experiments factors Farr fertilizer flora flowers forest formation fruit fungi fungus garden genera genetic genus germination given glucoside grass growing growth Heredity honey Hort hybrids increase infection issue Entries Jour Landw leaf maize methods morphology Munn mycelium nitrogen organism parasites Paris phosphoric acid Phytopathology Phytopathology 13 pine plants pollen potato present produced Puerto Rico Rend Ridl root seed seedlings soil solution South Wales species spores starch Stevenson sugar temperature tests tion tissue trees Uphof varieties vegetation wheat yield Zeitschr
Popular passages
Page 741 - Gazette, vol. 74 ] [442 expected under this assumption, but it is preferred to use the theoretical value until further data on this point are available. It is assumed that the magnitude of the excess depression is a measure of the quantity of water held in such a way as to be unavailable for the solution of the sugar. The values obtained may be calculated to percentage "bound
Page 785 - BOTANICAL ABSTRACTS A monthly serial furnishing abstracts and citations of publications in the international field of botany in its broadest sense, beginning with the year 1918 PUBLISHED MONTHLY UNDER THE DIRECTION OP THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC.
Page 642 - Traité des arbres et arbustes qui se cultivent en France en pleine terre...
Page 769 - there is no evidence of the presence of soluble toxins in normally aerated soils sufficiently supplied with plant food and with calcium carbonate, but toxins may occur on 'sour* soils badly aerated and lacking in calcium carbonate, or on other exhausted soils.
Page 913 - Les dispositions de la loi du 28 janvier 1921 autorisant provisoirement le Gouvernement à s'opposer à l'exploitation excessive de certains bois et de certaines forêts appartenant à des particuliers...
Page 821 - Is the whole of Mendelism perhaps nothing but an establishment of very many chromosomical irregularities, disturbances or diseases of enormously practical and theoretical importance but without deeper value for an understanding of the "normal...
Page 666 - WALDRON, LR, 1921. — Inheritance of Rust Resistance in a Family Derived from a Cross Between Durum and Common Wheat.
Page 903 - Untersuchungen über Echtfärbung der Zellkerne mit künstlichen Beizenfarbstoffen und die Theorie des histologischen Färbeprozesses mit gelösten Lacken von Prof.
Page 635 - List of Serials Currently Received in the Library of the US Department of Agriculture: Exclusive of US Government Publications and Publications of the State Agricultural Colleges and Experiment Stations: Arranged by Title, by Subject, and by Region.
Page 1111 - BRITTON, NL and JN ROSE. The Cactaceae : Descriptions and illustrations of plants of the cactus family.