Botanical Abstracts, Volume 12Williams & Wilkins, 1923 |
Vanuit het boek
Resultaten 1-5 van 100
Pagina 625
... growth , the work from 1918 on being under the direc- tion of the Electro - Culture Committee.- " * * Of the fourteen positive results of experiments extending over six years , only three are less than 10 per cent , while of the four ...
... growth , the work from 1918 on being under the direc- tion of the Electro - Culture Committee.- " * * Of the fourteen positive results of experiments extending over six years , only three are less than 10 per cent , while of the four ...
Pagina 626
... growth and spread in New Zealand . It has been declared a weed . The plant is described in some detail.- N. J. Giddings . 3659. BAILEY , E. M. Commercial feeding stuffs . Connecticut Agric . Exp . Sta . Bull . 238. 329-361 . 1922 ...
... growth and spread in New Zealand . It has been declared a weed . The plant is described in some detail.- N. J. Giddings . 3659. BAILEY , E. M. Commercial feeding stuffs . Connecticut Agric . Exp . Sta . Bull . 238. 329-361 . 1922 ...
Pagina 648
... growth in media of pH 4.5-5.0 ; they were chlorotic and severely stunted in neutral or alkaline media . Neutral or alkaline soil plants as Poterium sanguisorba and Tus- silago farfarus were most vigorous in media of pH 6.5-7.0 . The ...
... growth in media of pH 4.5-5.0 ; they were chlorotic and severely stunted in neutral or alkaline media . Neutral or alkaline soil plants as Poterium sanguisorba and Tus- silago farfarus were most vigorous in media of pH 6.5-7.0 . The ...
Pagina 653
... growth , because of the impor- tance of the latter as a factor in succession . Soil moisture was found to vary ( a ) seasonally , falling off after the close of the spring rains and reaching a point below the minimum necessary for plant ...
... growth , because of the impor- tance of the latter as a factor in succession . Soil moisture was found to vary ( a ) seasonally , falling off after the close of the spring rains and reaching a point below the minimum necessary for plant ...
Pagina 660
... growth which are obscured in periodic ( 5 - year ) measurements . It is also shown that trees with straight , clear stems grow at a more rapid rate than others , a fact of con- siderable importance in making thinnings . Data are ...
... growth which are obscured in periodic ( 5 - year ) measurements . It is also shown that trees with straight , clear stems grow at a more rapid rate than others , a fact of con- siderable importance in making thinnings . Data are ...
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.