Results 81 to 90 of about 6,598 (191)

Biology, Ecology, Distribution and Management of Large Crabgrass (Digitaria sanguinalis)

open access: yesWeed Research, Volume 65, Issue 4, July/August 2025.
ABSTRACT Digitaria sanguinalis (L.) Scop. (large crabgrass) is a globally distributed annual C4 grass and one of the most challenging weeds in agriculture, causing significant yield losses in crops such as maize, soyabean, rice, cotton and vegetables. This species thrives under favourable and unfavourable conditions such as disturbed soils, fluctuating
Fernando H. Oreja   +3 more
wiley   +1 more source

PRODUCCIÓN DE TOMATE EN INVERNADERO CON COMPOSTA Y VERMICOMPOSTA COMO SUSTRATO [PDF]

open access: yes, 2009
The organic production of food is an alternative for consumers that prefer food free of pesticides, synthetic fertilisers, and with a high nutritional value.
Candido, Márquez-Hernández   +5 more
core  

Adaptation of the process‐based CSM‐CROPGRO model to simulate the growth and development of industrial hemp for seed and fiber production

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 2, June 2025.
Abstract Industrial hemp (Cannabis sativa L.) is a re‐emerging crop in the United States with unique agronomic challenges that require location‐specific studies and guidance. Digital farming tools, such as crop growth models, can facilitate this process by enabling a better understanding of the farming system.
Alwin Hopf   +9 more
wiley   +1 more source

Eficiência do triclopyr no controle de plantas daninhas em gramado (Paspalum notatum) Triclopyr efficiency in controlling weeds in the lawn (Paspalum notatum)

open access: yesPlanta Daninha, 2003
As plantas daninhas interferem nos gramados, prejudicando a sua formação, qualidade e estética. O carrapicho-beiço-de-boi (Desmodium incanum) e a zórnia (Zornia latifolia), quando não controlados, podem atingir níveis de infestação que chegam a dizimar o gramado.
F.C.L. Freitas   +5 more
openaire   +2 more sources

Residual sexuality and its seasonal variation in natural apomictic Paspalum notatum accessions

open access: yesBiologia Plantarum, 2011
Traditionally, tetraploid Paspalum notatum was considered an obligate or a facultative apomict according to cytoembryological analyses. The degree of facultativeness was usually determined by the relative amount of mature ovules bearing aposporous or ...
R. N. Rebozzio   +3 more
doaj   +1 more source

Resposta de Brachiaria brizantha cv. Marandu a regimes de cortes. [PDF]

open access: yes, 2012
Este trabalho teve por objetivo determinar a freqüência e a altura de corte mais adequadas para o manejo de pastagens de Brachiaria brizantha cv.
COSTA, N. de L.   +4 more
core  

Safety evaluation of the food enzyme endo‐polygalacturonase from the genetically modified Trichoderma reesei strain AR‐414

open access: yesEFSA Journal, Volume 23, Issue 6, June 2025.
Abstract The food enzyme endo‐polygalacturonase ((1–4)‐α‐d‐galacturonan glycanohydrolase; EC 3.2.1.15) is produced with the genetically modified Trichoderma reesei strain AR‐414 by AB Enzymes GmbH. The genetic modifications do not give rise to safety concerns. The food enzyme is free from viable cells of the production organism and its DNA.
EFSA Panel on Food Enzymes (FEZ)   +17 more
wiley   +1 more source

FLUTUAÇÃO SAZONAL DA BIOMASSA MICROBIANA E TEORES DE NITRATO E AMÔNIO DE SOLO COBERTO COM Paspalum notatum EM UM AGROECOSSISTEMA [PDF]

open access: yesFloresta e Ambiente
RESUMO O trabalho foi conduzido em uma área da Baixada Fluminense cultivada há cerca de 40 anos com Paspalum notatum Flugge cv. Batatais, com o objetivo de avaliar a produção sazonal de fitomassa e a flutuação da biomassa microbiana e os teores de ...
José Antonio Azevedo Espindola   +3 more
doaj  

Identificação de Paspalum notatum fluegge e Axonopus affinis chase através da análise de fragmentos foliares Identification of Paspalum notatum fluegge and Axonopus affinis chase through leaf fragments analysis

open access: yesCiência Rural, 1999
Este trabalho teve como objetivo a caracterização e identificação de fragmentos foliares de Paspalum notatum Fluegge e Axonopus affinis Chase, como forma de subsidiar projetos de avaliação da dieta de animais fistulados.
Maria Cláudia Lopes Nogueira   +2 more
doaj   +1 more source

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