Results 1 to 10 of about 56,939 (97)

Biomass Production of Selected Energy Plants: Economic Analysis and Logistic Strategies [PDF]

open access: yes, 2012
The objective of this article is the conducting of an analysis of the production of selected energy plants that are already a basic source of agrobiomass in Poland.
Grzesik, Mieczysław   +4 more
core   +2 more sources

Beach impact study, Padre Island National Seashore [PDF]

open access: yes, 1976
Prepared for Office of Natural Science, Southwest Region, National Park Service, under contract CX70005044830 April 1976Vegetative differences between heavily and very lightly trafficked beaches show that more beach traffic correlates with quantitative ...
Behrens, E. W. (Earl William), 1935-   +2 more
core   +1 more source

Responses of different panicum miliaceum l. Genotypes to saline and water stress in a marginal mediterranean environment [PDF]

open access: yes, 2018
The aims of this study were to evaluate: (1) the effect of sodium chloride (NaCl) and mannitol at different osmotic pressures on the germination of three proso millet (Panicum miliaceum L.) genotypes (VIR 9181, Unikum, and Kinelskoje) under controlled ...
Aggarwal   +12 more
core   +2 more sources

Grass Hosts of Cereal Aphids (Hemiptera: Aphididae) Between Wheat-Cropping Cycles in South Dakota [PDF]

open access: yes, 2018
Several grasses may serve as alternative hosts for cereal aphids during the interim between small-grain crops in South Dakota, but field studies to determine which grasses are important have not been undertaken.
Dagel, Kurt J, Hesler, Louis S
core   +2 more sources

Macro-Climatic Distribution Limits Show Both Niche Expansion and Niche Specialization among C4 Panicoids [PDF]

open access: yes, 2016
Grasses are ancestrally tropical understory species whose current dominance in warm open habitats is linked to the evolution of C4 photosynthesis. C4 grasses maintain high rates of photosynthesis in warm and water stressed environments, and the syndrome ...
A López   +73 more
core   +3 more sources

Tree size and herbivory determine below-canopy grass quality and species composition in savannahs [PDF]

open access: yes, 2009
Large single-standing trees are rapidly declining in savannahs, ecosystems supporting a high diversity of large herbivorous mammals. Savannah trees are important as they support both a unique flora and fauna.
Grant, C.C., Jeltsch, F., Treydte, A.C.
core   +3 more sources

KEANEKARAGAMAN TUMBUHAN LUMUT (BRYOPHYTA) PADA BERBAGAI KETINGGIAN HUBUNGANNYA DENGAN KONDISI LINGKUNGAN DI WILAYAH LERENG SELATAN MERAPI PASCA ERUPSI [PDF]

open access: yes, 2012
Penelitian ini bertujuan untuk mengetahui jenis-jenis tumbuhan lumut, indeks keanekaragaman tumbuhan lumut, keanekaragaman jenis tumbuhan lumut, serta hubungan kondisi lingkungan yang meliputi faktor klimatik (intensitas cahaya, suhu ...
Satiyem, Satiyem
core  

RNA Viral Community in Human Feces: Prevalence of Plant Pathogenic Viruses [PDF]

open access: yes, 2005
The human gut is known to be a reservoir of a wide variety of microbes, including viruses. Many RNA viruses are known to be associated with gastroenteritis; however, the enteric RNA viral community present in healthy humans has not been described.
Altschul   +55 more
core   +5 more sources

Influence of Foliar Exposure, Adjuvants, and Rain-free Period on the Efficacy of Glyphosate for Torpedograss Control [PDF]

open access: yes, 1999
The proportion of torpedograss tissue exposed to glyphosate at application rates of 0.28, 0.56, 1.12, 2.24, and 4.48 kg/ha affected control as measured by regrowth. The effect of tissue exposure was more pronounced as application rate decreased.
Hanlon, C.G.   +2 more
core  

Phosphoenolpyruvate Carboxykinase Assayed at Physiological Concentrations of Metal Ions Has a High Affinity for CO2 [PDF]

open access: yes, 2002
The effect of Mn2+/Mg2+ concentration on the activity of intact, homogeneous phosphoenolpyruvate carboxykinase (PEPCK) from leaves of the C4 grass, Guinea grass (Panicum maximum), have been investigated.
Acheson, R.M.   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy