Results 31 to 40 of about 1,111,211 (256)

Leaf blade and petiole nutritional evolution and variability throughout the crop season for Vitis vinifera L. cv. Graciano

open access: yesSpanish Journal of Agricultural Research, 2015
An adequate nutritional state of a crop can be kept by means of a well-designed fertilization plan based on the assessment of the nutrient availability throughout the growing season.
Natalia Dominguez   +4 more
doaj   +1 more source

Divergent drivers of leaf trait variation within species, among species, and among functional groups. [PDF]

open access: yes, 2018
Understanding variation in leaf functional traits-including rates of photosynthesis and respiration and concentrations of nitrogen and phosphorus-is a fundamental challenge in plant ecophysiology. When expressed per unit leaf area, these traits typically
Katabuchi, Masatoshi   +9 more
core   +3 more sources

Soil boron fertilization: The role of nutrient sources and rootstocks in citrus production

open access: yesJournal of Integrative Agriculture, 2017
Boron (B) is a key element for citrus production, especially in tropical regions, where the nutrient availability is commonly low in the soil.
Dirceu Mattos, Jr   +4 more
doaj   +1 more source

Soil Organic Carbon in Mangrove Ecosystems with Different Vegetation and Sedimentological Conditions

open access: yesJournal of Marine Science and Engineering, 2015
A large number of studies have been conducted on organic carbon (OC) variation in mangrove ecosystems. However, few have examined its relationship with soil quality and stratigraphic condition.
Naohiro Matsui   +2 more
doaj   +1 more source

Image analysis and statistical modelling for measurement and quality assessment of ornamental horticulture crops in glasshouses [PDF]

open access: yes, 2009
Image analysis for ornamental crops is discussed with examples from the bedding plant industry. Feed-forward artificial neural networks are used to segment top and side view images of three contrasting species of bedding plants.
Edmondson, R. N.   +2 more
core   +1 more source

A local regulatory network around three NAC transcription factors in stress responses and senescence in Arabidopsis leaves [PDF]

open access: yes, 2013
A model is presented describing the gene regulatory network surrounding three similar NAC transcription factors that have roles in Arabidopsis leaf senescence and stress responses. ANAC019, ANAC055 and ANAC072 belong to the same clade of NAC domain genes
Abe   +58 more
core   +1 more source

Sensitivity analysis of leaf wetness duration within a potato canopy [PDF]

open access: yes, 2009
A description and analysis is given of a wetness duration experiment, carried out in a potato field in the centre of the Netherlands in September 2005.
Heusinkveld, B.G.   +3 more
core   +3 more sources

Dataset on early growth of cover crops in growth chamber [PDF]

open access: yes, 2020
The data presented in this data paper describe the early growth of cover crop cultivated in growth chamber under non-limiting conditions. Seventeen species of four botanical groups were described after one month of growth.
Damour, Gaëlle   +2 more
core   +1 more source

Efeito do porta-enxerto no teor de nutrientes em tecidos da videira "cabernet sauvignon" Effect of rootstock on nutrient content of 'cabernet sauvignon' grapevine tissues

open access: yesRevista Brasileira de Fruticultura, 2009
A nutrição mineral da videira constitui-se em importante fator para a qualidade dos vinhos. Devido a isso, avaliou-se o efeito de porta-enxertos no teor de nutrientes em diferentes tecidos da videira 'Cabernet Sauvignon' (Vitis vinifera L.) na Serra ...
Alberto Miele   +2 more
doaj   +1 more source

Performance and Meat Cholesterol Content of Broiler Chickens Fed Pluchea Indica L. Leaf Meal Reared Under Stress Condition [PDF]

open access: yes, 2011
This experiment was conducted to study the effects of dietary addition Pluchea indica L. leaf meal on performances and meat cholesterol content of broiler.
Solikhah, H. (H)   +2 more
core   +1 more source

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