Humic acids induce a eustress state via photosynthesis and nitrogen metabolism leading to a root growth improvement in rice plants

TAT de Castro, RLL Berbara, OCH Tavares… - Plant Physiology and …, 2021 - Elsevier
Chemical eustressors induce a eustress state “positive stress” increasing the resistance and
improve the plant growth. The potentiality of humic acids (HA) to act as a eustressor has …

Modulation of nitrogen metabolism of maize plants inoculated with Azospirillum brasilense and Herbaspirillum seropedicae

FA da Fonseca Breda, TFR da Silva… - Archives of …, 2019 - Springer
Maize is highly responsive to the application of nitrogen to achieve high productivity.
Inoculation with diazotrophic bacteria can improve plant growth with low N fertilization. The …

[HTML][HTML] Soil properties, root morphology and physiological responses to cotton stalk biochar addition in two continuous cropping cotton field soils from Xinjiang, China

X Dong, Z Zhang, S Wang, Z Shen, X Cheng, X Lv… - PeerJ, 2022 - peerj.com
Long-term and widespread cotton production in Xinjiang, China, has resulted in significant
soil degradation, thereby leading to continuous cropping obstacles; cotton stalk biochar …

Nitrate uptake kinetics and metabolic parameters in two rice varieties grown in high and low nitrate

LA Santos, WA Santos, MVL Sperandio… - Journal of Plant …, 2011 - Taylor & Francis
A study was conducted on the effect of nitrate (NO3) levels on nitrate uptake kinetics and
nitrogen (N) metabolism in two rice varieties, Piaui (landrace) and IAC-47 (improved). At 27 …

Rice varieties exhibit different mechanisms for Nitrogen Use Efficiency (NUE)

CP Coelho, LA Santos, RP Rangel… - Australian Journal of …, 2016 - search.informit.org
Nitrogen use efficiency (NUE) is an important characteristic for increasing the yield and
quality of rice grains and reducing the use of nitrogen fertilizers. This study evaluated …

[HTML][HTML] Cinética de absorção de nitrogênio e acúmulo de frações solúveis nitrogenadas e açúcares em girassol

JG Rocha, LM Ferreira, OCH Tavares… - Pesquisa …, 2014 - SciELO Brasil
O girassol (Helianthus annuus L.) tem se destacado como cultura promissora, dentre as
oleaginosas com importância agroenergética. Considerando-se os nutrientes exigidos pela …

Effects of seasonal nitrate flush on nitrogen metabolism and soluble fractions accumulation in two rice varieties

AM dos Santos, EM Lis Martinez Stark… - Journal of Plant …, 2007 - Taylor & Francis
ABSTRACT Two rice varieties,'Piaui'(a landrace) and 'IAC-47'(an improved variety), were
grown in nutrient solution containing 20 mg nitrate (NO3−)-nitrogen (N) L− 1 up to 32 days …

Knockdown of OsNRT2.4 modulates root morphology and alters nitrogen metabolism in response to low nitrate availability in rice

AFF Souza, CA Bucher, LN Arruda, RP Rangel… - Molecular …, 2022 - Springer
The expression patterns of the NRT2 genes have been well described; however, the role of
OsNRT2. 4 in root growth is not well known. In this study, we thus aimed at investigating the …

Effects of fusicoccin and vanadate on proton extrusion and potassium uptake by rice

CA Bucker, SR de Souza… - Journal of plant nutrition, 2006 - Taylor & Francis
The effects of fusicoccin or vanadate on proton (H+) extrusion and potassium (K) uptake of
four varieties of rice (oryza satiya L.) were studied. Two of them were improved varieties (IAC …

[HTML][HTML] Efeito da disponibilidade de nitrato em solução nutritiva sobre a absorção de nitrogênio e atividade enzimática de duas cultivares de arroz

AM Santos, CA Bucher, EMLM Stark, MS Fernandes… - Bragantia, 2009 - SciELO Brasil
Duas cultivares de arroz, Piauí (tradicional) e IAC-47 (melhorada), foram colocadas em
solução nutritiva contendo 20 mg de N-NO3-L-1 até 32 dias após a germinação (DAG) …