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| Registros recuperados: 12 | |
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| Carvalho, Leonardo Bianco; FCAV; Guzzo, Caio Dória; Universidade Estadual Paulista "Júlio de Mesquita Filho"; Pitelli, Robinson Antonio; Universidade Estadual Paulista "Júlio de Mesquita Filho"; Cecílio Filho, Arthur Bernardes; Universidade Estadual Paulista "Júlio de Mesquita Filho"; Bianco, Silvano; Universidade Estadual Paulista "Júlio de Mesquita Filho". |
| The objective was to evaluate the effects of initial weedy periods on the weed community and on the productivity of direct seeded and transplanted table beet cropping systems. A field trial was conducted at São Paulo State University, Brazil, in a randomized complete block design using a 2 x 13 factorial scheme. Direct seeding and seedling transplanting methods were evaluated within thirteen increasing weekly weedy periods. Weed relative importance was calculated and weed density and weed dry matter accumulation data were analyzed by nonlinear regression as well as beet yield and stand, which were submitted to analysis of variance. Amaranthus viridis, Coronopus didymus, Cyperus rotundus, Digitaria nuda, Galinsoga parviflora and Nicandra physaloides were... |
| Tipo: Experimento de campo |
Palavras-chave: 5.01.02.00-1 Beta vulgaris; Weeds; Interference; Direct seeding; Seedling transplanting Matocompetição Beta vulgaris; Weeds; Interference; Direct seeding; Seedling transplanting. |
| Ano: 2010 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/4649 |
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| Müller,Jônatan; Modolo,Alcir J.; Trentin,Robson G.; Campos,José R. da R.; Baesso,Murilo M.. |
| ABSTRACT Direct seeding systems are characterized by soil disturbance only occurring in the sowing line and the maintenance of the remaining area is achieved by covering with crop residues. Without total area soil mobilization as recommended by the no-tillage system, associated with the increase in the degree of soil compaction caused by the traffic of agricultural machinery, there can be a decrease in crop productivity. This study aimed to evaluate machine parameters, soil mobilization, and corn yield as a function of different furrow opener working depths (0.065, 0.095, 0.125, and 0.150 m) and evaluate the direct seeding of winter ground cover plants (black oat or forage turnip) in compacted Oxisol. The experiment was arranged in strips, in a randomized... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Direct seeding; Ground cover plants; Shank working depth. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162019000100089 |
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| ZONTA, J. H.; RODRIGUES, J. I. da S.; CAVALCANTE, V. R.; LEITE, R. de M. H.; COSTA, R. F. da. |
| O sistema Integração Lavoura Pecuária e Floresta (ILPF) é uma estratégia de cultivo que objetiva a produção sustentável, integrando atividades agrícolas, pecuárias e fl orestais na mesma área, em cultivo consorciado, em sucessão ou rotacionado, e busca efeitos sinérgicos entre os componentes do agroecossistema, contemplando a melhoria ambiental, a valorização dos seres humanos e a viabilidade econômica. Em outras palavras, o sistema ILPF consiste na diversifi cação de cultivo, de forma que o produtor consiga, além de melhorar sua renda, conservar o solo e água da propriedade, melhorando suas condições de cultivo ao longo do tempo, e com melhor aproveitamento de água da chuva. Através deste sistema, o produtor, sendo familiar ou empresarial, tem a... |
| Tipo: Folhetos |
Palavras-chave: Sistema de Cultivo; Integração; Lavoura; Pecuária; Floresta; Conservação da Água; Conservação do Solo; Algodão; Milho; Soja; Gergelim; Feijão; Desenvolvimento Sustentável; Controle da Erosão; Plantio Direto; Cropping systems; Intensive livestock farming; Agroforestry; Soil conservation; Water conservation; Cotton; Bean meal; Soybean meal; Soybean oil; Sesame meal; Sustainable development; Erosion control; Direct seeding. |
| Ano: 2022 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1150301 |
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| 秋本, 正博; 中田, 翔子; 熊田, 総佳; 逵本, 秀久; 小林, 規人; 平等, 聡; 田中, 一郎. |
| 十勝地方におけるラッカセイ生産の可能性を模索するため、帯広畜産大学実験圃場でラッカセイ品種「千葉半立」、「ナカテユタカ」、および「おおまさり」の栽培を行った。栽植方法（直播、あるいは移植）、および栽植密度（標準植：5.1 株/ ㎡、あるいは密植：7.7 株/ ㎡）の組合せによる4 試験区を設け、2016 年5 月23 日にそれぞれの品種の栽培を開始した。茎葉の黄変期に収穫を行い、収量構成要素や子実収量の評価を行った。千葉半立とナカテユタカでは、子実収量に対する栽植方法と栽植密度の効果が認められた。両品種とも移植を行った試験区で直播を行った試験区に比べ収量が高かった。これは、移植を行うことで単位面積当たりの稔実粒数が増加することに起因する。また、両品種とも密植を行った試験区で標準植を行った試験区に比べ収量が高かった。千葉半立は半立ち性、ナカテユタカは立性の草型をもつため光競合を起こしにくく、十勝地方で栽培する場合には都府県の慣行法よりも栽植密度を高めることで土地利用効率が高まり、子実収量が改善されると考えられる。おおまさりでは、子実収量に対して栽植方法の効果のみが認められた。移植を行うことで直播を行った場合に比べ総稔実粒数や1000 粒重が高まり、子実収量が増加した。一方、おおまさりでは子実収量に対する栽植密度の効果が認められなかった。おおまさりは伏性の草型を持つため光競合が起こりやすく、十勝地方においても密植条件下では密度障害が生じ増収につながらないと考えられる。千葉半立とナカテユタカでは、移植・密植の処理組合せによる試験区で、おおまさりでは、移植・標準植、および移植・密植の処理組合せによる試験区でそれぞれ最も子実収量が高く、いずれも子実収量の全国平均（180g/... |
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Palavras-chave: ラッカセイ; 直播; 移植; 栽植密度; 十勝地方; Groundnut; Direct seeding; Transplanting; Plant density; Tokachi region. |
| Ano: 2017 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4557 |
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| Gennaro,Lorena Adriana De; Souza,Zigomar Menezes de; Weill,Mara de Andrade Marinho; Souza,Gustavo Soares de; Alves,Marlene Cristina. |
| Agricultural management systems can alter the physical and biological soil quality, interfering with crop development. The objective of this study was to evaluate the physical and microbiological attributes of a Red Latosol, and its relationship to the biometric parameters of the common bean (Phaseolus vulgaris), irrigated and grown under two management systems (conventional tillage and direct seeding), in Campinas in the state of São Paulo, Brazil. The experimental design was of randomised blocks, with a split-plot arrangement for the management system and soil depth, analysed during the 2006/7 and 2007/8 harvest seasons, with 4 replications. The soil physical and microbiological attributes were evaluated at depths of 0.00-0.05, 0.05-0.10, 0.10-0.20 and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Soil structure; Soil organic matter; Soil microbial activity; Direct seeding; Phaseolus vulgaris. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000400002 |
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| Registros recuperados: 12 | |
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