Results 61 to 70 of about 268,581 (227)

Water‐saving strategies in rice farming entail cascading effects in prey–predator interactions across ecosystem boundaries

open access: yesJournal of Applied Ecology, Volume 62, Issue 9, Page 2273-2282, September 2025.
These results show that introducing multiple drainage periods in rice fields (i.e. AWD) indirectly hampers terrestrial spider reproduction through limiting the emergence of potential preys from the aquatic to terrestrial boundaries. MSD resulted in a more conciliatory strategy as it largely reduces methane emissions and does not affect predator–prey ...
Néstor Pérez‐Méndez   +5 more
wiley   +1 more source

Portable chlorophyll meter can estimate the nitrogen sufficiency index and levels of topdressing nitrogen in common bean

open access: yesPesquisa Agropecuária Tropical, 2017
The nitrogen sufficiency index (NSI) obtained by using a portable chlorophyll meter is a practical alternative to evaluate the N levels in plants. This study aimed at determining the appropriate NSI value for leaves of common bean plants, in order to ...
Pedro Marques da Silveira   +1 more
doaj   +1 more source

Utilización de harina de arroz en la elaboración de pan [PDF]

open access: yes, 2011
De todos los cereales, el Arroz (Orytza Sativa) es uno de los principales cereales del mundo, y nuestra principal materia prima para la elaboración del presente proyecto.
Agurto Andrade, Kristel Solange   +1 more
core   +1 more source

Genetic parameters and indirect selection of elite lines for efficiency in symbiotic nitrogen fixation in black common bean

open access: yesCrop Science, Volume 65, Issue 4, July/August 2025.
Abstract This study aimed to evaluate whether managing populations and progenies of black common bean (Phaseolus vulgaris L.) in exclusive symbiotic nitrogen fixation (SNF) systems, which refer to environments where the primary nitrogen source in the soil is the SNF, is efficient for selecting lines with high symbiotic performance, using grain yield as
Nayana Valéria Costa   +6 more
wiley   +1 more source

Desempenho de uma semeadora-adubadora no estabelecimento e na produtividade da cultura do milho sob plantio direto

open access: yesScientia Agricola, 2000
Na semeadura mecanizada diversos fatores interferem no estabelecimento do estande de plantas e, com freqüência, na produtividade da cultura, destacando entre eles a velocidade de operação da máquina no campo e a profundidade de deposição do adubo no solo.
José Geraldo da Silva   +2 more
doaj  

Adubação potássica em arroz irrigado conforme a capacidade de troca catiônica do solo

open access: yesPesquisa Agropecuária Brasileira, 2013
O objetivo deste trabalho foi avaliar a resposta do arroz irrigado por inundação à aplicação de doses de potássio, conforme a capacidade de troca catiônica (CTC) do solo.
Ibanor Anghinoni   +3 more
doaj   +1 more source

Decoding Brazil's bean belt: Spatiotemporal patterns, production systems and the pulse of bean production (2011–2022)

open access: yesGeo: Geography and Environment, Volume 12, Issue 2, July‐December 2025.
Short Abstract This study aimed to map consolidated bean production areas in Brazil and analyse their spatial‐temporal evolution from 2011 to 2022. Based on autocorrelation and relative frequency patterns, four primary bean belts were identified: South, Central Brazil, Mato Grosso and Northeast.
Clever Lucas Aguilar   +2 more
wiley   +1 more source

Rede Brasil Arroz: transferência de tecnologia integrando as regiões produtoras. [PDF]

open access: yes, 2015
O projeto liderado pela Embrapa Arroz e Feijão, denominado Rede Brasil Arroz-RBA, iniciado em 2011, teve como premissa buscar o equilíbrio em termo de qualidade do arroz produzido nas diferentes regiões e sistemas e na transferência de práticas ...
FERREIRA, C. M., SANTOS, B. M.
core  

Estudos de competição entre o arroz vermelho e o arroz cultivado [PDF]

open access: yesBragantia, 1972
No presente estudo, conduzido em vasos, em casa de vegetação, procurou-se determinar os efeitos competitivos do arroz vermelho em relação ao cultivar IAC-435. Este, sota a referida competição, apresentou sensível decréscimo do peso do sistema radicular e diminuição acentuada do número de perfilhos.
Leitão Filho, Hermógenes de Freitas   +3 more
openaire   +3 more sources

Caregivers' Perceptions and Practices Regarding Responsive Caregiving and Early Learning in Cajamarca, Andean Peru: A Qualitative Study

open access: yesInfant and Child Development, Volume 34, Issue 4, July/August 2025.
ABSTRACT Parenting programs around the world target components of the “Nurturing Care Framework” (NCF)—including responsive caregiving and early learning—to improve early childhood development (ECD). However, it is difficult to optimally design culturally relevant programs without knowing how these components align with local cultural beliefs.
Kristen Hinckley   +12 more
wiley   +1 more source

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