Ferdinand w haasis (6 Ergebnisse)

PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.

Broschur. Zustand: gut. Abb., 28 cm, Bibliotheksexemplar, Heftung leicht rostig. Sprache: eng.

Taschenbuch. Zustand: Neu. Neuware - 'Germinative Energy of Lots of Coniferous-Tree Seed, as Related to Incubation Temperature and to Duration of Incubation' is a technical scientific study that investigates the physiological mechanics behind forest regeneration. Ferdinand W. Haasis provides a comprehensive analysis of how various thermal conditions and the length of exposure to those conditions impact the vitality and speed of germination in coniferous species. The work focuses specifically on the concept of germinative energy-the rate and vigor with which seeds sprout-offering a detailed look at the variables that determine the success of nursery stocks.Through rigorous experimentation, Haasis identifies the optimal temperature ranges for different tree species, providing data that is essential for silviculturists and botanists engaged in reforestation. This study remains a significant historical reference in the field of forest science, bridging the gap between plant physiology and practical application in the field. It is particularly valuable for those interested in the history of seed technology and the environmental factors that influence the early life cycles of North American conifers. The insights found within this volume offer a foundational understanding of the thermal requirements necessary for successful timber crop management.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you may see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

(S. A. J. of Ecology Vol. XVII, No. 2) S. 315 - 328) Sonderabdruck Offprint. 1929. Guter Zustand/Good condition. Broschur/Softcover. Sprache: englisch/english.

Carnegie Institution of Washington, Publication No. 450. 258 x 177 mm. 8vo. 103 pp. 31 figs., 18 tables, bibliog. Dark green cloth. Ex library paper spine label, blind stamp on front free end-leaf. Fine. FIRST EDITION. Summarized fifty years of previous observation of shrinkage in the diameters of tree and other plants stems and trunks through the use of a new research tool, the dendrograph, which showed that every species studied experienced such fluctuation depending on season, weather, and other factors.…