Results 71 to 80 of about 44,887 (264)

Lead Uptake, Toxicity, and Detoxification in Plants [PDF]

open access: yes, 2011
Lead has gained considerable attention as a persistent toxic pollutant of concern, partly because it has been prominent in the debate concerning the growing anthropogenic pressure on the environment.
Dumat, Camille   +4 more
core   +4 more sources

Effect of pre-treatment of Palm oil Mill effluent (POME) and Cassava Mill Effluent (CME) on the Growth of Tomato (Lycopersicum esculentum)

open access: yesJournal of Applied Sciences and Environmental Management, 2010
Pretreatment measures in effluents’ management comprised of phase separation involving sedimentation, aeration to enhance biodegradation and pH neutralization.
OC Nwoko, S Ogunyemi, E Nkwocha
doaj   +1 more source

Development of a Solid Bioherbicide Formulation by Spray Drying Technology

open access: yesAgriculture, 2020
This study aimed to compare the herbicidal activity of solid formulas obtained by spray drying with conventional liquid formulas containing biomolecules produced by submerged cultivation of the fungus Diaporthe sp. in a stirred-tank bioreactor. The solid
Thiago C. de Almeida   +10 more
doaj   +1 more source

Nutrition Status of Trees on Spoil Heaps After Coal Mining Can Be Inferred From Seasonal Dynamics of Foliar Nutrient Concentrations

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT A stable vegetation cover on given habitat conditions can be one of the possible requirements for post‐mining sites, as it can prevent erosion and dustiness of these anthropogenic surfaces and bring several practical future benefits, such as biomass production and microclimate improvement.
Tomáš Matys Grygar   +5 more
wiley   +1 more source

Overwinter transplant production for extended season organic cropping (OF 0144) [PDF]

open access: yes, 2001
The objectives of this project (Defra project OF0144), lead by EFRC, were to: • identify acceptable organic fungicide products to control mildew in transplant production • produce integrated organic transplant production systems for brassica, allium ...
et al, Stopes, Christopher
core  

Hyperspectral signatures reveal hidden stress in soybean caused by residual nicosulfuron

open access: yesNew Plant Protection, EarlyView.
Residual nicosulfuron in soil triggers a distinct injury–regulation–collapse trajectory in soybean. Multimodal phenotyping combining hyperspectral, UV‐MCF, and chlorophyll fluorescence imaging enables early, non‐invasive detection and dynamic monitoring of latent herbicide stress, offering a mechanistic basis for risk assessment in crop rotation ...
Shufei Hao   +5 more
wiley   +1 more source

Phytotoxicity of foliar-applied urea [PDF]

open access: yesProceedings of the National Academy of Sciences, 1989
Recent work in our laboratory showed that the adverse effect of urea fertilizer on seed germination and seedling growth in soil is due to ammonia produced through hydrolysis of urea by soil urease (NH 2 CONH 2 + H 2 O → 2NH 3 + CO 2
M J, Krogmeier   +2 more
openaire   +2 more sources

CO2‐Assisted Foaming of PLA–Cellulose Acetate Blends for Peat‐Free Horticultural Substrates

open access: yesPolymer Engineering &Science, EarlyView.
Engineered porous substrate facilitating seed incorporation, water retention, and plant growth. ABSTRACT This study investigates carbon dioxide assisted (CO2) foaming of polylactic acid (PLA)–cellulose acetate (CA) blends to develop biodegradable substrates for horticultural applications.
Kaleum Meaney   +8 more
wiley   +1 more source

First experiences in the application of biopreparations against the cherry fruit fly in Southern Russia in 2007 [PDF]

open access: yes, 2008
On the Russian market there are no currently registered biological preparations for the control of Rhagoletis cerasi (cherry fruit fly, CFF), and therefore the effects of natural products against this pest were studied.
Hummel, E., Vasilyeva, L. A.
core  

What is the potential for biogas digesters to improve soil fertility and crop production in Sub-Saharan Africa? [PDF]

open access: yes, 2014
Acknowledgements We are very grateful to the UK Department for International Development (DFID) New and Emerging Technologies Research Call for funding this work.
Abegaz, Assefa   +6 more
core   +1 more source

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