SABIIA - Sistema Aberto e Integrado de Informação em Agricultura (Sabiia)

LEME FILHO, J. R. A.; SILVA, C. J. da.

Prática de aleiramento (retirada do palhiço de sobre as linha de cana, mantendo-se cobertas todas as entrelinhas) com fins de aceleração do perfilhamento inicial das soqueiras

Tipo: Folhetos

Palavras-chave: Shuffles; Despalha; Palhiço; Desaleiramento; Aleiramento; Cana de Açúcar; Solo; Manejo do Solo; Palhada; Plantio; Produtividade; Harvesting; Soil; Soil management; Straw; Land productivity.

Ano: 2018

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1101880

Alelopatia de sorgo-sacarino na soja cultivada em sucessão.

GARCIA, R. A.; SUTIER, G. A. da S..

Os resíduos do sorgo-sacarino, pela liberação de substâncias alelopáticas, podem afetar negativamente o desenvolvimento da cultura em sucessão. Nesse contexto, objetivou-se avaliar os efeitos dos resíduos de duas cultivares de sorgo-sacarino na soja Semeada em sucessão, em função de intervalos para semeadura após o manejo do sorgo. O experimento foi conduzido em casa de vegetação na Embrapa Agropecuária Oeste, em Dourados, MS, em vasos com capacidade de 14 litros. O delineamento utilizado foi inteiramente casualizado, em esquema fatorial 2x4, com quatro repetições. Os tratamentos foram constituídos por duas cultivares de sorgo (BRS 506 e BRS 511) e quatro intervalos para semeadura da soja após manejo da gramínea (0, 3, 6 e 9 dias). As plantas de sorgo...

Tipo: Folhetos

Palavras-chave: Crescimento radicular; Agroenergia; Sorgoleone; Root; Growth; Palhada; Bioenergy; Straw.

Ano: 2016

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1054658

Allelopathic potential of Cover Crops in Control of Shrubby False Buttonweed (Spermacoce verticillata)

VARGAS,L.A.; PASSOS,A.M.A.; KARAM,D..

ABSTRACT: Searching for alternatives to deal with weeds without the exclusive use of herbicides can increase the sustainability of agricultural production in the Amazon region. This study aimed to evaluate the allelopathic potential of cover crops on the weed shrubby false buttonweed (Spermacoce verticillata L.). Three straw levels (1; 2.5 and 5 mg cm-2) of thirteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, C. ochroleuca, C. spectabilis, Mucuna aterrima, M. cinereum, Pennisetum glaucum, Sorghum bicolor, S. sudanense, Urochloa brizanha cv. Xaraés, U. brizantha cv. Piatã and U. ruziziensis) were assessed on germination and initial growth of weed and lettuce. We carried out two experiments (weed and lettuce) in a factorial scheme...

Amoniação de palhas e de forrragens de baixa qualidade com uréia.

Palavras-chave: Allelopathy; Crop control; Leguminous; Sandwich method; Straw.

Ano: 2018

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100253

FILHO, C. G.; MIRANDA, D. B. de.

Benefícios da amoniação; Material que pode ser amoniado; Como amoniar; Como usar o material amoniado.

Tipo: Folhetos

Palavras-chave: Amoniacao; Produção animal; Forragem; Palha; Uréia; Animal production; Ammonium compounds; Forage; Straw; Urea.

Ano: 1999

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/132196

Amoniação: sal proteinado.

AZEVEDO, S. G. de; ARAÚJO, C. R. de.

Método de melhorar a qualidade da forragem para o período seco, que consiste em adicionar amônia às palhadas, a restos de culturas ou a forragens muito fibrosas, melhorando a qualidade dos alimentos para os animais.

Tipo: Folders

Palavras-chave: Amoniação; Sal proteina; Forragem; Palhada; Produção animal; Forage; Straw; Animal production.

Ano: 2011

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/159125

Amonização de palhadas e de forragens de baixa qualidade com uréia.

GUIMARAES FILHO, C.; MIRANDA, D. B. de.

Beneficios da amonização, material que pode ser amonizado, como amonizar e como usar o material amonizado.

Tipo: Folhetos

Palavras-chave: Uso; Amonização; Use; Forragem; Palha; Resto de Cultura; Uréia; Ammonia; Crop residues; Forage; Straw; Urea.

Ano: 1999

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/132195

Brachiaria ruziziensis and herbicide on the yield of upland rice

Nascente,A.S.; Guimarães,C.M.; Cobucci,T.; Crusciol,C.A.C..

The correct management of cover crops in no-tillage aims to obtain greater benefits with its introduction in agricultural systems. The use of forage species such as Brachiaria, due to the large amount of biomass and for persisting longer on the ground, has become a good option. In this sense, an important point is the time interval between the cover desiccation with glyphosate and planting of rice in order to obtain higher operating income in the sowing, greater availability of nutrients, greater presence of straw on the soil surface, and lower release of possible allelopathic substances. The objective of this study was to assess the effect of the management of B. ruziziensis, with or without herbicide, preceding the crop planting, in the yield components...

Contribution of nitrogen from sugarcane harvest residues and urea for crop nutrition

Palavras-chave: Soil management; Straw; Cover crops; No tillage system; Glyphosate.

Ano: 2012

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582012000400006

Scientia Agricola

Fortes,Caio; Vitti,André Cesar; Otto,Rafael; Ferreira,Danilo Alves; Franco,Henrique Coutinho Junqueira; Trivelin,Paulo Cesar Ocheuze.

Sugarcane (Saccharum spp.) harvested without burning provides a substantial amount of remains (trash) on soil profiles which can be decomposed and release nutrients contributing to reduce fertilizer needs. The contribution of nitrogen (N) from sugarcane plant residues and fertilizer in sugarcane nutrition was assessed. Plant cane treatments were micro plots of 15N-labeled urea, sugarcane trash and root system; the last two to simulate the previous crop residues incorporated into the soil after crop renewal. For ratoons, N-ammonium nitrate (N-AN) micro plots, 150 kg ha-1 of N-AN and control (0 kg ha-1) were set up to evaluate the contribution of trash in N supply and quantify the effects of N-fertilizer on N-trash mineralization. The N balances derived from...

Dynamics of Clomazone Formulations Under Different Applications Conditions

Palavras-chave: Saccharum spp.; 15N isotope; N balance; Urea; Straw; Roots and rhizomes.

Ano: 2013

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000500005

TROPALDI,L.; BRITO,I.P.F.S.; DIAS,R.C.; TRINDADE,M.L.B.; CARBONARI,C.A.; VELINI,E.D..

ABSTRACT: Maintenance of straw on the soil surface in sugarcane production areas can influence weed occurrence and herbicide dynamics. After application, considerable losses of clomazone can occur as a result of its physicochemical characteristics. For this reason, novel formulations have been developed. In addition to the conventional formulation, microencapsulated formulations are currently available. Thus, the aim of this study was to observe and compare the effect of clomazone formulations under different application conditions. For this purpose, the experiment was carried with 12 treatments in a completely randomized design, with four replications, using clomazone formulations (1,200 g a.i. ha-1), on soils with different moisture levels, in the...

Efeito da suplementacao com feno da parte da mandioca sobre o consumo e digestibilidade da palha de arroz.

Palavras-chave: Straw; Herbicide; Volatilization; Ipomoea nil (L.) Roth; Urochloa decumbens (Stapf.) R.D.Webster; Panicum maximum Jacq.

Ano: 2019

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100274

EUCLIDES, V. P. B.; SILVA, J. M. da; O'DONOVAN, P. B..

No Brasil Central a producao bovina encontra-se, geralmente, associada a producao agricola. A cultura de arroz aparece frequentemente como pratica associada ao estabelecimento de pastagens. E com a criacao do Programa Nacional do Alcool espera-se uma marcada expansao do cultivo da mandioca nos proximos anos. Os produtos dessas duas culturas poderao ser de grande importancia na alimentacao de rebanhos bovinos ja que a palha de arroz e a parte aerea da mandioca podem ser utilizadas como fonte energetica e proteica, respectivamente, durante a epoca seca. O Centro Nacional de Pesquisa de Gado de Corte desenvolveu este trabalho com o objetivo de estudar a influencia de niveis de suplementacao de feno da parte aerea da mandioca sobre o consumo e digestibilidade...

Tipo: Folhetos

Palavras-chave: Alimentacao animal; Suplementacao; Oruza sativa; Supplementary feeding; Leaf; Arroz; Folha; Gado de Corte; Manihot Esculenta; Mandioca; Palha; Nutrição; Cassava; Nutrition; Rice; Straw.

Ano: 1979

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/318284

Effects of straw decomposition degree on leaching and weed control efficacy of tebuthiuron and hexazinone in green sugarcane harvesting

Tonieto,T.A.P.; Regitano,J.B..

Green sugarcane harvesting may promote great changes in the dynamics of herbicides in the environment. Our goal was to evaluate the influence of straw decomposition degree on leaching and weed (Ipomoea grandifolia) control efficacy by (14C) tebuthiuron and hexazinone. The presence of straw on the soil surface affected leaching, mainly for hexazinone (leaching reduced from 37 to 5% of the applied amount in the presence of straw). Overall, tebuthiuron showed more efficient control of Ipomoea than hexazinone. The straw decomposition degree affected only hexazinone efficacy that was lowest for the least decomposed straw. Further studies are needed to evaluate the effects of sugarcane straw on herbicides dissipation, particularly on volatilization and...

Experimental comparison of combine performance with two harvesting methods: stripper header and conventional header

Palavras-chave: Tebuthiuron; Hexazinone; Straw; Decomposition; Sugarcane; Ipomoea spp.

Ano: 2014

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582014000400016

CIGR Journal

Mirnezami, Seyed Vahid; Chegini, Gholamreza.

Residual straw status on the field after harvesting was one of the important obstacles in using stripper header in Iran. In this work, combine performance studied with two type headers, conventional and stripper in wheat farm. Residual stems after harvesting collected, baled, and two methods were compared. The results showed that fuel consumption in the stripper header was 5.68 L/ha less than the conventional header. Combines with stripper header harvested 1500 m2 more than the conventional header in each hour. Stripper header in comparison with the conventional had 21% harvesting efficiency and 840 kg/h field performance which harvested more wheat. Harvesting time and fuel consumption for straw harvesting operation in the harvested field with stripper...

Identification, assessment and ordering of concepts for agro-energy planning and possibilities of spatial analysis

Palavras-chave: Straw; Stripper header; Combine performance.

Ano: 2016

URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3206

REA

Cervi,Walter R.; Lamparelli,Rubens; Berni,Mauro; Rocha,Jansle.

ABSTRACT The present study aims to present the main concepts of the sugarcane straw to energy planning. Throughout the study, the subject is contextualized highlighting broader aspects of sustainability, which is considered the main driver towards agro-energy modernization. Concerning sugarcane straw, we first evaluated its availability regarding technical and economic aspects, and then it summarized the straw production chain for energy supply purposes. As a proposal to support agro-energy planning, it is presented some spatial tools that have been barely used in the Brazilian energy planning context so far. Therefore, working on straw to electricity associated with supply chain basis, we developed a conceptual model to spatially assess this bioenergy...

Increased efficiency of straw utilisation by cattle and buffalo

Palavras-chave: Sugarcane; Straw; Agro-energy planning; Geographic information system.

Ano: 2015

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162015000601210

AgEcon

George, P.S..

The Australian Centre of International Agricultural Research (ACIAR) has sponsored several research projects with the aim of increasing the efficiency of straw utilisation by cattle and buffaloes in some Australian and Indian situations. These projects involved research on upgrading technology and field testing specific feed formulations to determine their impact on improving livestock production in India. This report contains an economic assessment of three interrelated projects supported by ACIAR over a period of nine years, starting 1983–84. Apart from validating the feasibility of improving the efficiency of strawbased diets through strategic supplements, the projects under review had played a significant role in the commercial introduction of urea...

Tipo: Book

Palavras-chave: Cattle; Buffalo; Straw; Feed; Australia; India; Efficiency; Livestock production; Economic assessment; Urea molasses blocks; Bypass protein feed; Dairy; Milk; Agribusiness; Farm Management; Food Consumption/Nutrition/Food Safety; International Development; Livestock Production/Industries; Production Economics; Research and Development/Tech Change/Emerging Technologies.

Ano: 1998

URL: http://purl.umn.edu/47191

Population density and weed infestation in organic no-tillage corn cropping system under different soil covers

Favarato,L.F.; Galvão,J.C.C.; Souza,J.L.; Guarçoni,R.C.; Souza,C.M.; Cunha,D.N..

Currently, one of the biggest challenges faced by organic no-tillage farming is weed control. Thus, the use of cropping practices that help in the control of weeds is extremely important. The objective of this study was to evaluate population density and level of weed infestation in an organic no-tillage corn cropping system under different soil covers. The experiment was conducted in a randomized block design with six repetitions and five treatments, consisting of three soil covers in an organic no-tillage system, and an organic and a conventional system, both without soil cover. The treatments with soil cover used a grass species represented by the black oat, a leguminous species represented by the white lupine, and intercropping between both species....

Residual biomass potential of commercial and pre-commercial sugarcane cultivars

Palavras-chave: Avena strigosa; Lupinus albus; Straw; Organic farming.

Ano: 2014

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582014000400008

Scientia Agricola

Landell,Marcos Guimarães de Andrade; Scarpari,Maximiliano Salles; Xavier,Mauro Alexandre; Anjos,Ivan Antônio dos; Baptista,Antônio Sampaio; Aguiar,Cláudio Lima de; Silva,Daniel Nunes da; Bidóia,Márcio Aurélio Pitta; Brancalião,Sandro Roberto; Bressiani,José Antônio; Campos,Marcelo Ferraz de; Miguel,Paulo Eduardo Martins; Silva,Thiago Nogueira da; Silva,Victor Hugo Pavelqueires da; Anjos,Luciana Oliveira Souza; Ogata,Bruna Harumi.

Sugarcane (Saccharum spp.) is an efficient and sustainable alternative for energy generation compared to non-renewable sources. Currently, during the mechanized harvest process, the straw left in the field can be used in part for the second generation ethanol and increasing the electric energy production. Thus, this study aimed to provide information on the potential for residual biomass cultivars of sugarcane cropping system. This study provides the following information: yield of straw, depending on the calculated leaf area index and the number of tillers per linear meter; primary energy production of several sugarcane genotypes; contribution of dry tops and leaves; biomass yield; and evaluation of fiber, cellulose, hemicellulose and lignin. Preliminary...

Semen cryopreservation protocols of Mangalarga Marchador stallions

Palavras-chave: Straw; Genotypes; Composition.

Ano: 2013

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000500003

R. Bras. Zootec.

Candeias,Marcela Leite; Alvarenga,Marco Antonio; Carmo,Márcio Teoro do; Ferreira,Heder Nunes; Maior,Mônica Russo Souto; Torres Filho,Rodolpho de Almeida; Rodrigues,André Luís Rios; Brandão,Felipe Zandonadi.

The effect of the utilization of three semen protocols (Inra 82®, Merck Gema and Botu-crio®) and two filling techniques (0.25 and 0.50 mL straws) in Mangalarga Marchador stallions were studied in this experiment. Sperm parameters were assessed during processing and post-freezing. No interactions between the protocols and type of filling were observed, so they were assessed separately. Sperm parameters were not altered when the extender was added to the centrifugation; however, there was reduction of motility and strength when freezing extenders were added. The Botu-crio® protocol preserved the parameters of total and progressive sperm motility, smoothed path velocity (µm/s), straight line velocity (µm/s), track velocity (µm/s) and the average and fast...

Soybean productivity under different grazing heights of Brachiaria ruziziensis in an integrated crop-livestock system

Palavras-chave: Ejaculated; Equine; Extender; Straw.

Ano: 2012

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000900004

Rev. Ciênc. Agron.

Ferreira,Gilberto Alves; Oliveira,Paulo Sérgio Rabello de; Alves,Sérgio José; Costa,Antonio Carlos Torres da.

ABSTRACTThe aim was to evaluate the effects of grazing height of Brachiaria ruziziensis on the production of straw, and the establishment and grain yield of a soybean crop, under an integrated crop-livestock system, on a typic dystrophic Red Latosol at the Experimental Farm of the Agronomic Institute of Paraná (IAPAR), in Xambrê, in the state of Paraná, Brazil (PR). The study was carried out between September of 2010 and April of 2012. The experimental design was of randomised blocks, in lots split over time, with five treatments and three replications. The following were determined for the Brachiaria ruziziensis: shoot dry matter weight, plant residue dry matter weight, and total dry matter weight (Brachiaria ruziziensis shoot weight + plant residue...