نتایج جستجو برای: month seedlings

تعداد نتایج: 165915  

Journal: :Scandinavian Journal of Forest Research 2021

Forest regeneration by tree planting on harvested sites in the boreal forests of northern Europe is frequently preceded site preparation to increase survival and growth seedlings. We studied whether a small addition arginine phosphate (AP treatment) at time would further enhance seedlings’ early performance. Following two seasons, we investigated Scots pine (Pinus sylvestris) seedlings 11 locat...

2017
Lorenz Graf-Vlachy Katharina Buhtz

Social influence has been shown to profoundly affect human behavior in general and technology adoption (TA) in particular. Over time, multiple definitions and measures of social influence have been introduced to the field of TA research, contributing to an increasingly fragmented landscape of constructs that challenges the conceptual integrity of the field. In this vein, this paper sets out to ...

1998
Jake F. Weltzin Steven R. Archer Rodney K. Heitschmidt

Herbivory by rodents, lagomorphs and insects may locally constrain woody plant seedling establishment and stand development. Recruitment may therefore depend either upon plant tolerance of herbivory, or low herbivore abundance, during seedling establishment. We tested potential herbivory tolerance by quantifying growth, biomass allocation, and survival of defoliated Prosopis glandulosa seedling...

Journal: :ecopersia 0
anahita shariat researcher research - institute of forests and rangelands mohammad hassan assareh professor, seed and plant certification and registration institute, bolvar nabovvat, karaj, alborz, iran

theeffect of salt stress on the pysiological and biochemical responses of the seedlings of eight eucalyptus species viz. e. kingsmillii, e. tetragona, e. salubris, e. occidentali, e. microtheca, e. camaldulensis, e. globules and e. sargentii was analyzed. four month-old seedlings grown in greenhouse were watered by five levels of salt solution (0, 50, 100, 150 and 200 mm of nacl) in five replic...

Journal: :CoRR 2012
Gang Liao Lei Liu Lian Luo

In this computer era of rapid development, software development can be seen everywhere, but a lot of softwares are dead in modern development of software. Just as The Mythical Man-Month said, it exists a problem in the software development, and the problem is interflow. A lock of interflow can be said great calamity. Clustering is a environment to breed new life. In this thesis, we elaborate ho...

2013
Marcin Michalak Mirosława Z. Barciszewska Jan Barciszewski Beata P. Plitta Paweł Chmielarz

The effects of storage and deep desiccation on structural changes of DNA in orthodox seeds are poorly characterized. In this study we analyzed the 5-methylcytosine (m(5)C) global content of DNA isolated from seeds of common pear (Pyrus communis L.) that had been subjected to extreme desiccation, and the seedlings derived from these seeds. Germination and seedling emergence tests were applied to...

2014
M. B. Dickinson D. F. Whigham

-Experimental manipulations of root competition on naturally established seedlings were conducted across canopy openness and soil depth gradients in a selectively-logged, semideciduous forest on limestone-derived soils in southeastern Mexico. We studied the relatively shade intolerant mahogany (Swietenia macrophylla, Meliaceae) and shade tolerant ramón (Brosimum alicastrum, Moraceae). Both spec...

2017
Amirah N. Kamarudin Kok S. Lai Dhilia U. Lamasudin Abu S. Idris Zetty N. Balia Yusof

Thiamine, or vitamin B1 plays an indispensable role as a cofactor in crucial metabolic reactions including glycolysis, pentose phosphate pathway and the tricarboxylic acid cycle in all living organisms. Thiamine has been shown to play a role in plant adaptation toward biotic and abiotic stresses. The modulation of thiamine biosynthetic genes in oil palm seedlings was evaluated in response to ro...

2014
Y. N. Zou A. K. Srivastava Q. S. Wu

Growth suppressive role of waterlogging (WL) as an important abiotic stress to perennial plants is well known. A pot experiment was conducted to study a potential contribution of arbuscular mycorrhizal fungi (AMF, Diversispora spurca) on WL tolerance of trifoliate orange (Poncirustrifoliata L. Raf.) seedlings on the basis of growth, root system architecture, and antioxidant enzymes. Four-month-...

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