Botanical Abstracts, Volume 12Williams & Wilkins, 1923 |
Vanuit het boek
Resultaten 1-5 van 100
Pagina 630
... Acad . Sci . 1921 : 105-109 . 1922. - The losses are estimated under such headings as , tillage loss , reduced yield , cutting roadside weeds , etc. The total weed loss in Indiana for 1920 is estimated at $ 44,072,870 or $ 14 per capita ...
... Acad . Sci . 1921 : 105-109 . 1922. - The losses are estimated under such headings as , tillage loss , reduced yield , cutting roadside weeds , etc. The total weed loss in Indiana for 1920 is estimated at $ 44,072,870 or $ 14 per capita ...
Pagina 652
... Acad . Sci . 1921 : 91-100 . 11 photo . 1922. - Only lichens are found on the north slope , which is a vertical unbroken wall , but a dense forest of broad - leaved trees and herbaceous plants is found on the narrow rich talus . On the ...
... Acad . Sci . 1921 : 91-100 . 11 photo . 1922. - Only lichens are found on the north slope , which is a vertical unbroken wall , but a dense forest of broad - leaved trees and herbaceous plants is found on the narrow rich talus . On the ...
Pagina 659
... Acad . Sci . Paris 175 : 901-904 . 1922. — A study was made in the forest of Fontainebleau on the following species : Carpinus betulus , Quercus robur , Celtis australis , Wistaria sinensis , Ligustrum vulgare , and Evonymus europeus ...
... Acad . Sci . Paris 175 : 901-904 . 1922. — A study was made in the forest of Fontainebleau on the following species : Carpinus betulus , Quercus robur , Celtis australis , Wistaria sinensis , Ligustrum vulgare , and Evonymus europeus ...
Pagina 667
... Acad . Sci . Paris 174 : 1429-1431 . 1922. - Lychnis vespertina crossed by L. sylvestre , L. rubrum , and L. vespertina gave 99 , 96 , and 95 per cent pistillate plants respectively . Rose colored and white flowered plants of the 1st ...
... Acad . Sci . Paris 174 : 1429-1431 . 1922. - Lychnis vespertina crossed by L. sylvestre , L. rubrum , and L. vespertina gave 99 , 96 , and 95 per cent pistillate plants respectively . Rose colored and white flowered plants of the 1st ...
Pagina 668
... Acad . Sci . Paris 175 : 984-985 . 1922. - A scion of sunflower is grafted upon a stock of Helianthus tuberosus . Later a scion of H. tuberosus is grafted upon this scion of sunflower . H. tuberosus is refered to as the hypo- biont and ...
... Acad . Sci . Paris 175 : 984-985 . 1922. - A scion of sunflower is grafted upon a stock of Helianthus tuberosus . Later a scion of H. tuberosus is grafted upon this scion of sunflower . H. tuberosus is refered to as the hypo- biont and ...
Overige edities - Alles bekijken
Veelvoorkomende woorden en zinsdelen
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
Populaire passages
Pagina 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
Pagina 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.
Pagina 642 - Traité des arbres et arbustes qui se cultivent en France en pleine terre...
Pagina 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.
Pagina 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...
Pagina 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...
Pagina 666 - WALDRON, LR, 1921. — Inheritance of Rust Resistance in a Family Derived from a Cross Between Durum and Common Wheat.
Pagina 903 - Untersuchungen über Echtfärbung der Zellkerne mit künstlichen Beizenfarbstoffen und die Theorie des histologischen Färbeprozesses mit gelösten Lacken von Prof.
Pagina 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.
Pagina 1111 - BRITTON, NL and JN ROSE. The Cactaceae : Descriptions and illustrations of plants of the cactus family.