21 documents found, page 1 of 3
Soil physical properties in variable levels of soil compaction
Bareta Junior, Eloi; Silva, André Augusto Pazinato da; Sens, Talyta Mytsuy Zanardini Galeski; Colecha, Keli; Rampim, Leandro; Pott, Cristiano AndreDue to the intense transit of agricultural machines and equipment for crop management, soil compaction is causing concern on the part of farmers. The objective of this work was to evaluate the soil physical quality of an Oxisol with different levels of tractor compaction, in Guarapuava, Paraná, PR, Brazil. The experimental design used was randomized blocks, with six repetitions. The treatments were four levels ...
CARBON, NITROGEN, AND ORGANIC MATTER OF SOIL IN AN INTEGRATED CROP-LIVESTOCK SY...
Mattei, Eloisa; Rabello de Oliveira, Paulo Sérgio; Rampim, Leandro; Rocha de Moraes Rego, Carlos Augusto; Piano, Jeferson TiagoThis study aimed to evaluate the effect of the integrated crop-livestock system on the contents and stocks of total organic carbon, total nitrogen, and soil organic matter. The experiment was carried out between April 2016 and February 2017, in a randomized block design in a strip-block scheme, with additional control treatment (fallow) and four repetitions. The treatments consisted of two densities of oat sowi...
Desenvolvimento inicial de plantas de trigo em resposta à associação com bactér...
Guimarães, Vandeir Franscisco; Rampim, Leandro; Bellé, Renan Felipe; Bulegon, Lucas Guilherme; Faria, Vanessa de Oliveira; Inagaki, Adriano MitioThe cultivated species have ideal soil pH for absorption of nutrients and proper development, it is necessary to know the performance of nitrogen-fixing bacteria and promoting plant growth (PGPBs) at different levels of acidity, in order to increase the results to elevate crop yields with the use of technology inoculation of seeds of gramineous. Thereby, the present study aimed to determine the initial developm...
Performance of pneumatic and mechanical seeder-fertilizer at different speeds i...
Moleta, Igor; Rampim, Leandro; Conrado, Perivaldo Mateus; Czekalski, Aline Mariele; Pott, Cristiano André; Faria, Vanessa de OliveiraSowing is an operation that interferes with the development of soybean plants and, consequently, yield crop, which both seed distribution mechanisms and sowing speed can impair the success of the crop. In this context, the objective of this study was to evaluate the interference of mechanical and pneumatic distribution of seeds at different speeds both in the development and in yield of soybean in Oxisol. The s...
Furrow opener and plant density on canola crop, penetration resistance and subs...
Milla, Felipe; Rampim, Leandro; Harmatiuka, Pedro Henrique; Regiani, André Luiz Maziero; Muller, Marcelo Marques Lopes; Faria, Vanessa de OliveiraCanola (Brassica napus L.) presents itself economically and agronomically interesting as a winter crop for southern brazilian producers. There is questioning about the seeding technology for this crop. Thus, the objective of this work was to evaluate the furrowing mechanism (of the fertilizer distribution system) and plant population in the canola crop, and its effects on soil penetration resistance and subsequ...
Development and productivity of wheat submitted to sequential aerial applicatio...
Santos, Lucas Dal; Rampim, Leandro; Faria, Vanessa de Oliveira; Perussolo, Lucas Jonson; Vornes Júnior, Elmar; Martins, Lucas de OliveiraThe crop (Triticum aestivum) of wheat expresses great importance as food in the world. Knowing this, increasing the productivity of this crop is an excellent line of research, contributing to increase the supply of food. Thus, the objective of the work was to evaluate the development and productivity of the wheat crop with sequential applications of Azospirillum in the wheat crop. The experiment was carried out...
Nutrition, yield and nutrient export in common bean under zinc fertilization in...
Kachinski, Wagner Deckij; Ávila, Fabrício William; Muller, Marcelo Marques Lopes; Reis, André Rodrigues Dos [UNESP]; Rampim, LeandroMade available in DSpace on 2020-12-12T01:21:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; Zinc (Zn) is one of the most deficient plant micronutrients in agricultural crops. The objective of this study was to evaluate plant nutrition, grain yield and nutrient export rate in response to soil and foliar Zn fertilization in common bean (Phaseolus vulgaris L.). Two field experiments in no-till sy...
Effects of calcium and magnesium silicate on the absorption of silicon and nutr...
Sarto, Marcos Vinicius Mansano; Lana, Maria do Carmo; Rampim, Leandro; Rosset, Jean Sérgio; Sarto, Jaqueline Rocha Wobeto; Bassegio, DoglasWheat is a plant that accumulates silicon (Si). The application of silicon to the soil may influence the absorption of nutrients by the plant and, therefore, its nutritional balance. In this study, we aimed to evaluate the effects of calcium and magnesium silicate (CaSiO3/MgSiO3) on the ability of wheat (Triticum aestivum L.) to utilize silicon and absorb nutrients from soils collected in the state of Paraná, B...
Organic matter and soil aggregation in agricultural systems with different adop...
Rosset, Jean Sérgio; Lana, Maria do Carmo; Pereira, Marcos Gervasio; Schiavo, Jolimar Antonio; Rampim, Leandro; Sarto, Marcos Vinicius MansanoIn conservation management systems, such as no-till (NT), it is important to analyze the pattern of changes in soil quality as a function of the time since adoption of the system. This study evaluated the physical fractions of organic matter and soil aggregation in management systems in areas cultivated with different times since implementation of NT: 6, 14, and 22 successive years of soybean and maize/wheat cr...
Remaining straw and release of nutrients from oat managed in integrated crop-li...
Mattei, Eloisa; Rabello de Oliveira, Paulo Sérgio; Rampim, Leandro; Egewarth, Jonas Francisco; Rocha de Moraes Rego, Carlos AugustoThis study aimed to evaluate the decomposition and nutrient release from residues of the culture of oats and fallow in crop-livestock integration system. The experimental design was a randomized complete block design with two replications, as parcels being formed by four managements (fallow, oats without grazing, oats grazed once and twice), and the subplots for evaluation periods along the soybean crop i...