Sowing
Mostrando 1-12 de 541 artigos, teses e dissertações.
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1. Sowing date influence on the soybean tolerance to defoliation at the beginning of pod formation
ABSTRACT Late sowings anticipate flowering and decrease the soybean vegetative plasticity. These changes may limit the ability of plants to tolerate leaf area losses. The objective of this research was to evaluate the sowing date effect on soybean tolerance to defoliation at the beginning of pod formation. The experiment was set in Lages (Santa Catarina Stat
Revista Ceres. Publicado em: 2023
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2. Direct onion sowing under soil tillage methods
ABSTRACT Onion production is conditioned to the adopted techniques during the cultivation. Sowing depth, soil preparation and cultivars are determinant factors for productivity to be increased. Two experiments were developed, the first with the objective of evaluating the effect of sowing depths and soil preparation methods on the germination and development
Revista Ceres. Publicado em: 2022
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3. Yield components of soybean cultivars under sowing densities
ABSTRACT The aim of this study was to assess yield components and grain yield of soybean cultivars in response to sowing densities. For this, two soybean cultivars and five sowing densities were tested, in a two-factor scheme. The following yield components were measured by the end of the cycle: plant height; insertion height of the first pod; number of node
Revista Ceres. Publicado em: 2022
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4. Quality of sunflower seeds in function of thickness classification and sowing under speed variation of the seeder-fertilizer
ABSTRACT The objective was to evaluate the quality of sunflower seeds classified according to their thickness and passed through the seeder-fertilizer dosing system under variation of the travel speed. A lot of M734 was classified by thickness passing the seeds through a set of oblong-hole sieves and two thicknesses were selected. A portion of the seeds with
Revista Ceres. Publicado em: 2022
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5. Adaptability and Stability of Soybean Cultivars in Lowland Production System
ABSTRACT The objective was to study the adaptability and stability of soybean cultivars in the lowland production system under different conditions in a subtropical environment. Fourteen soybean cultivars were evaluated in five locations and three growing seasons in Rio Grande do Sul State, Brazil. Three sowing dates were evaluated in each location and growi
Revista Ceres. Publicado em: 2022
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6. Times and methods of black oat management on corn plantability
ABSTRACT The importance of maintaining straw on the soil surface is a subject widely discussed and proven in the literature. However, the effects of this straw on planting efficiency and quality still lack information. In this sense, both time and method of the black oat management influence the permanence of the straw on the soil and, thus, can interfere in
Revista Ceres. Publicado em: 2022
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7. Inoculation with Azospirillum combined with nitrogen fertilization in sorghum intercropped with Urochloa in off-season
ABSTRACT The objective of this work was to evaluate the management of nitrogen fertilization in grains of sorghum inoculated or not with Azospirillum brasilense in single crop or intercropped with Urochloa brizantha (cv. Paiaguás) in the off-season. The experimental design was a completely randomized block design with four replications, in a 2 x 2 x 3 facto
Revista Ceres. Publicado em: 2022
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8. CORRELATION OF SOIL PHYSICAL ATTRIBUTES WITH FURROWING SHANK STRENGTH AND DEPTH IN A NO-TILL SEEDER
ABSTRACT Furrowing shank horizontal strength and working depth can be correlated with soil compaction in a no-till sowing. This study aimed to evaluate the correlation of furrowing shank strength and working depth with soil physical properties at two working speeds (1.58 and 1.87 m s-1) and four compaction levels induced by an agricultural tractor (0P, 1P, 3
Engenharia Agrícola. Publicado em: 2022
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9. Sowing time and substrate in the production of ipê-mirim seedlings
Resumo Tecoma stans, popularmente conhecida como ipê-mirim é uma espécie arbórea pertencente à Família Bignoniaceae. Nativa nas Américas e Antilhas, é amplamente utilizada no Brasil, no paisagismo e na arborização urbana. A produção de suas mudas é feita por sementes e são vários os fatores que interferem neste processo e no seu posterior dese
Ornamental Horticulture. Publicado em: 2022
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10. Sowing date changes phenological development, plastochron index, and grain yield of soybeans under Cerrado conditions
RESUMO A época de semeadura é a prática de manejo cultural com maior interferência no desenvolvimento e na produtividade de grãos de soja, e está diretamente relacionada com o genótipo e tipo de ciclo da cultura. Nosso objetivo foi avaliar o desenvolvimento fenológico em função das respostas fotoperíodicas, índice de plastocrono e produtividade d
Revista Brasileira de Engenharia Agrícola e Ambiental. Publicado em: 2022
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11. Agronomic performance of watermelon under direct sowing system and seedling transplanting
RESUMO A melancia é tradicionalmente cultivada por semeadura direta, porém, em função do alto valor das sementes de materiais melhorados, o transplantio de mudas é alternativa promissora. Este trabalho teve como objetivo avaliar, em dois ciclos de produção, o desempenho agronômico da melancia por semeadura direta e transplantio de mudas. Os experimen
Horticultura Brasileira. Publicado em: 2022
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12. Hole spacing in soybean hill drop sowing1
ABSTRACT The aim of this study was to evaluate the development, yield and its components of soybean sown in hill drop method with variation in hole spacing, compared to the conventional sowing method in lines. The experiment was conducted in a randomized block design, with six treatments and four replications, using the variety M7739 RR IPRO with four plans
Rev. Ceres. Publicado em: 2021-08