Growth Response And Water Use Efficiency Of Pinus Banksiana And Pinus Resinosa Seedlings Under Controlled Moisture Regimes
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Growth Response And Water Use Efficiency Of Pinus Banksiana And Pinus Resinosa Seedlings Under Controlled Moisture Regimes
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Author : William Graham Cole
language : en
Publisher:
Release Date : 1986
Growth Response And Water Use Efficiency Of Pinus Banksiana And Pinus Resinosa Seedlings Under Controlled Moisture Regimes written by William Graham Cole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Jack pine categories.
Masters Abstracts International
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Author :
language : en
Publisher:
Release Date : 1987
Masters Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Dissertations, Academic categories.
Forestry Theses Accepted By Colleges And Universities In The United States
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Author :
language : en
Publisher:
Release Date : 1981
Forestry Theses Accepted By Colleges And Universities In The United States written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Dissertations, Academic categories.
Bibliography Of Agriculture
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Author :
language : en
Publisher:
Release Date : 1976
Bibliography Of Agriculture written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Agriculture categories.
Responses Of Pinus Banksiana And Pinus Resinosa Seedlings To Flooding
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Author : Z. C. Tang
language : en
Publisher:
Release Date : 1983
Responses Of Pinus Banksiana And Pinus Resinosa Seedlings To Flooding written by Z. C. Tang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Forestry Theses Accepted By Colleges And Universities In The United States July 1981 June 1990
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Author :
language : en
Publisher:
Release Date : 1994
Forestry Theses Accepted By Colleges And Universities In The United States July 1981 June 1990 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Dissertations, Academic categories.
Canadian Journal Of Forest Research
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Author :
language : en
Publisher:
Release Date : 2003
Canadian Journal Of Forest Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Forests and forestry categories.
Comparative Studies Of The Germination And Development Of The Seedlings Of Pinus Banksiana Jack Pine And Pinus Resinosa Norway Pine Under Various Natural And Artificial Conditions
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Author : Li Ying-Chen
language : en
Publisher:
Release Date : 1940
Comparative Studies Of The Germination And Development Of The Seedlings Of Pinus Banksiana Jack Pine And Pinus Resinosa Norway Pine Under Various Natural And Artificial Conditions written by Li Ying-Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1940 with categories.
Physiological And Morphological Responses Of Pinus Ponderosa Seedlings To Moisture Limitations In The Nursery
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Author : Gokhan Ervan
language : en
Publisher:
Release Date : 2018
Physiological And Morphological Responses Of Pinus Ponderosa Seedlings To Moisture Limitations In The Nursery written by Gokhan Ervan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Successful establishment of planted Pinus ponderosa seedlings in the southwestern United States is often inhibited by stressful and harsh site conditions related to drought severity and severe disturbances such as wildfire and mining operations. Addressing the harsh site conditions requires the production and planting of morphologically and physiologically improved seedlings to reforest these sites. However, traditional nursery practices are based on optimal growing environments that may limit seedling morphological and physiological characteristics for outplanting in stressful restoration sites. To address this issue, we established a study to test the ability to alter seedling characteristics through irrigation limitations during the nursery growth phase and to test their performance in a controlled outplanting environment. This study was conducted in two separate experiments: (1) the Nursery Conditioning Experiment (NCE) examined seedling development from three New Mexican seed sources along a north-south gradient under three irrigation levels (low (55%), moderate (70%), and high (85%)); (2) the Simulated Outplanting Experiment (SOE) examined a subset of seedlings from the NCE in a controlled outplanting environment exposed to two soil moisture conditions, a control maintained above 70% saturation and a drought treatment that was irrigated to saturation once at the beginning of the study. In the NCE, the low irrigation significantly decreased seedlings height, needle area, first order lateral roots, root volume, and root:shoot ratio; however, the low irrigation level statistically increased physiological parameters such as net photosynthetic rate and water use efficiency. Staining methods for hydraulically active xylem were not effective using crystal violet as the dye solution. Thus, new staining methods were examined using new dye solutions. In the SOE, those seedlings exposed to less irrigation in the nursery had significantly greater mean height, diameter, xylem flow velocity, needle dry weight, and stem dry weight. Additionally, hydraulic activity was observed in the SOE under the low irrigation treatments applied in the NCE phase. Overall, this study shows that irrigation limitations applied in the initial growth phase, regardless of seed source, can improve seedling morphology and physiology that may ultimately result in increased survival and growth performance in harsh outplanting sites.
Comparative Studies Of The Germination And Development Of The Seedlings Of Pinus Banksiana Jack Pine And Pinus Resinosa Norway Pine Under Various Natural And Artificial Conditions
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Author : Ying-chen Li
language : en
Publisher:
Release Date : 1937
Comparative Studies Of The Germination And Development Of The Seedlings Of Pinus Banksiana Jack Pine And Pinus Resinosa Norway Pine Under Various Natural And Artificial Conditions written by Ying-chen Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1937 with categories.