Results 61 to 70 of about 168,176 (201)

The land surface water and energy budgets over the Tibetan Plateau [PDF]

open access: yes, 2011
Tibetan Plateau plays an important role in the Asian Monsoon and global general circulation system. Due to the lack of quantitative observations and complicated cold season processes in high elevation terrain, however, the land surface water and energy ...
Li Xu
core   +1 more source

The impact of immigrant dynasties on wage inequality [PDF]

open access: yes, 2006
I construct a set of dynamic macroeconomic models to analyze the effect of unskilled immigration on wage inequality. The immigrants or their descendants do not remain unskilled–over time they may approach or exceed the general level of educational ...
Ben-Gad, M.
core   +1 more source

Ethylene Inhibitors Increase Net Assimilation Rate and Cotton Boll Dry Matter Under Drought

open access: yesJournal of Agricultural Science, 2014
Although the ethylene inhibitors role on reduction rate of boll abscission in cotton plants submitted to drought is being recently reported, its effects on photosynthesis performance and on cotton boll dry matter across the sympodial branch is scarce.
Giovani Greigh de Brito   +2 more
openaire   +1 more source

Effects of Paclobutrazol on Podding and Photosynthetic Characteristics in Peanut

open access: yesPlant Production Science, 2003
The effects of paclobutrazol (PB) on podding habits and photosynthetic characteristics (COz assimilation rate, quantum yield of photosystem II (ΦSII) and chlorophyll content) were examined in peanut.
Sachiko Senoo, Akihir Isoda
doaj   +1 more source

Evaluation of Physiological Growth Analysis of some Quinoa (Chenopodium quinoa Willd.) Varieties under Different Moisture Levels in Spring and Summer Planting Dates at South Khorasan Region [PDF]

open access: yesپژوهشهای زراعی ایران
IntroductionDeficit irrigation offers a solution for optimizing crop production under water stress conditions, albeit with an initial reduction in yield per unit area.
F Golestani Far   +3 more
doaj   +1 more source

Does Spraying of Atrazine on Triazine-Resistant Canola Hybrid Impair Photosynthetic Processes? [PDF]

open access: yesPlanta Daninha, 2019
: Canola is an important rotation crop for the winter season and the use of atrazine-resistant hybrids can lead to an increase in yield. This work was aimed at evaluating the effect of atrazine on photochemical and biochemical processes of photosynthesis
M.R. DURIGON   +4 more
doaj   +1 more source

The effects of rising atmospheric carbon dioxide on shoot-root nitrogen and water signaling. [PDF]

open access: yes, 2013
Terrestrial higher plants are composed of roots and shoots, distinct organs that conduct complementary functions in dissimilar environments. For example, roots are responsible for acquiring water and nutrients such as inorganic nitrogen from the soil ...
Bloom, Arnold J, Easlon, Hsien Ming
core   +2 more sources

Effects of supplementary irrigation at phenological stages on some growth indices of lentil (Lens culinaris Medik.) cultivars in Mashhad region [PDF]

open access: yesپژوهش‌های حبوبات ایران, 2016
Introduction Lentil with about 28 percent protein occupies the second after soybean. It is one of the major crops in developing countries as a complement to cereals and is an excellent source of protein and amino acids in the diet.
Kamal Hajmohamadnia Ghalibaf   +3 more
doaj   +1 more source

Net CO2 Assimilation Rate and Nitrogen Content of Grape Leaves Subsequent to Fruit Harvest

open access: yesJournal of the American Society for Horticultural Science, 1985
Abstract The relationship between net CO 2 assimilation rate (A) and nitrogen (N) content during leaf senescence was determined on field grown Vitis vinifera L. ‘Thompson Seedless’ leaves.
L. E. Williams, R. J. Smith
openaire   +1 more source

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