Botanical Abstracts, Volume 12Williams & Wilkins, 1923 - Botany |
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Page 625
... cent , while of the four negative results none reaches 10 per cent . Of the ten positive results with spring sown cereals only two are less than 10 per cent , and six show an increase of 30 per cent , or over ; while of the two negative ...
... cent , while of the four negative results none reaches 10 per cent . Of the ten positive results with spring sown cereals only two are less than 10 per cent , and six show an increase of 30 per cent , or over ; while of the two negative ...
Page 629
... cent more than the nearest checks . Potash alone has in- creased yields but 13.8 per cent , but when added to phosphoric acid has given an increase of 29.6 per cent over phosphoric acid alone . The authors believe that half the amount ...
... cent more than the nearest checks . Potash alone has in- creased yields but 13.8 per cent , but when added to phosphoric acid has given an increase of 29.6 per cent over phosphoric acid alone . The authors believe that half the amount ...
Page 631
... cent of clay . The native wheat is undesirable because of its long growing season , making it liable to attacks of stem rust ( Puccinia graminis ) . Pure line selections were made of native wheats and varieties were imported from other ...
... cent of clay . The native wheat is undesirable because of its long growing season , making it liable to attacks of stem rust ( Puccinia graminis ) . Pure line selections were made of native wheats and varieties were imported from other ...
Page 633
... cent nitrogen as ammonia was applied as top dressing to meadows and broad- casted on land in preparation for mangels . Except where the gaswater was considerably diluted an initial injury to the grass was noted , but this injury was ...
... cent nitrogen as ammonia was applied as top dressing to meadows and broad- casted on land in preparation for mangels . Except where the gaswater was considerably diluted an initial injury to the grass was noted , but this injury was ...
Page 647
... cent of the total precipitation received . In answer to the question whether the evaporation rate is higher or lower in the mountains than on the plains , preliminary results with a Wild evaporimeter show a lower , and with a Livingston ...
... cent of the total precipitation received . In answer to the question whether the evaporation rate is higher or lower in the mountains than on the plains , preliminary results with a Wild evaporimeter show a lower , and with a Livingston ...
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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.