Results 141 to 150 of about 159,021 (359)

Metabolomics Reveals Cu(OH)2 Nanopesticide-Activated Anti-oxidative Pathways and Decreased Beneficial Antioxidants in Spinach Leaves.

open access: yesEnvironmental Science and Technology, 2017
While the use of nanopesticides in modern agriculture continues to increase, their effects on crop plants are still poorly understood. Here, 4 week old spinach plants grown in an artificial medium were exposed via foliar spray to Cu(OH)2 nanopesticide (0.
Lijuan Zhao   +3 more
semanticscholar   +1 more source

Analysis of Heavy Metal Accumulation in Ulva rigida and its Effects on Seed Germination of Pennisetum glaucum

open access: yesChemistryOpen, EarlyView.
This study demonstrates the investigation of Ulva rigida seaweed extract as an eco‐friendly biostimulant and biofertilizer, combined with an analysis of heavy metal accumulation and its effect on Pennisetum glaucum (pearl millet) seed germination Abstract The alga contains salt and heavy metals that are accumulated in algae poses a significant ...
Karungan Selvaraj Vijai Selvaraj   +5 more
wiley   +1 more source

Effectiveness of cattle dung biogas digestate on spinach growth and nutrient uptake

open access: yesHeliyon, 2022
New farming techniques should be introduced to improve yield quality and quantity while taking preservation of the environment into consideration. This study investigated effectiveness of cattle dung biogas digestate on spinach growth and nutrient uptake.
Bridget Tshikalange   +3 more
doaj  

Instrumental distortions in quantum optimal control [PDF]

open access: yes
Quantum optimal control methods, such as gradient ascent pulse engineering (GRAPE), are used for precise manipulation of quantum states. Many of those methods were pioneered in magnetic resonance spectroscopy where instrumental distortions are often negligible. However, that is not the case elsewhere: the usual jumble of cables, resonators, modulators,
arxiv   +1 more source

Effect of Biostimulator Chlorella fusca on Improving Growth and Qualities of Chinese Chives and Spinach in Organic Farm

open access: yesPlant Pathology Journal, 2018
This study was conducted to investigate the efficacy of freshwater alga, Chlorella fusca on the improvement of growth and qualities in organic spinach and Chinese chives farm.
Min-Jeong Kim   +6 more
semanticscholar   +1 more source

Interactions of rare earth elements with living organisms and emerging biotechnical applications

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Rare earth elements (REEs) are critical resources required to achieve net‐zero carbon emission targets and energy security. However, rising demand for REEs coupled with significant extraction and processing challenges and geopolitical risks restricts access to REE resources.
Samantha A. McGaughey   +6 more
wiley   +1 more source

Activation of Caged Functional RNAs by An Oxidative Transformation. [PDF]

open access: yesChembiochem
RNAs containing 2‐thiouridine (2sUrd) in place of uridine (Urd) can exhibit loss of function. Treatment with hydrogen peroxide can convert 2sUrd to Urd. We show that a 2sUrd‐containing aptamer and ribozyme can exhibit recovery of function upon treatment with hydrogen peroxide, allowing for redox‐switched functional behavior.
Heili JM, Adamala KP, Engelhart AE.
europepmc   +2 more sources

The herbicidal natural product phosphonothrixin is an inhibitor of the riboflavin biosynthetic enzyme L‐3,4‐dihydroxy‐2‐butanone‐4‐phosphate synthase

open access: yesPest Management Science, EarlyView.
An enzyme involved in vitamin B2 biosynthesis, 3,4‐dihydroxy‐2‐butanone‐4‐phosphate synthase (DHBPS), was identified as the target of the natural product phosphonothrixin, representing a novel mode of action for herbicides. Abstract BACKGROUND In our ongoing search for new and environmentally friendly chemical entities that can control weeds via new ...
Bernd Laber   +5 more
wiley   +1 more source

Agronomic viability of New Zealand spinach and kale intercropping

open access: yesAnais da Academia Brasileira de Ciências, 2017
The intercropping is a production system that aims to provide increased yield with less environmental impact, due to greater efficiency in the use of natural resources and inputs involved in the production process.
ARTHUR B. CECÍLIO FILHO   +3 more
doaj   +1 more source

Deep Learning with unsupervised data labeling for weeds detection on UAV images [PDF]

open access: yesarXiv, 2018
In modern agriculture, usually weeds control consists in spraying herbicides all over the agricultural field. This practice involves significant waste and cost of herbicide for farmers and environmental pollution. One way to reduce the cost and environmental impact is to allocate the right doses of herbicide at the right place and at the right time ...
arxiv  

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