Results: 162

Chromatographic determination of shikimate for identification of conventional soybean and glyphosate resistant soybean

Biosci. j. (Online); 36 (2), 2020
A sensitive and reliable process was established using high-performance liquid chromatography (HPLC) to distinguish conventional varieties of glyphosate-resistant genetically modified crops via shikimate detection in soybean (Glycine max L. Merril) seeds. Glyphosate ...

Performance, body composition and net requirements of protein and energy for weight gain in steers supplemented with or without addition of lipids

Biosci. j. (Online); 36 (2), 2020
This research aimed to evaluate the performance, body composition and net requirements for protein and energy in grazing Nellore steers supplemented with or without addition of lipids. Twenty-eight steers, 301 ± 5.8 kg BW, were used in the experiment. The comparative sla...

Growth performance and carcass traits of young nellore bulls supplemented with or without addition of lipids

Biosci. j. (Online); 36 (2), 2020
The aim of research was to evaluate the performance and characteristics of the carcasses of Nellore young bulls in grazing supplemented with or without addition of lipids. Twenty–eight young bulls, 301 ± 5.8 kg in body weight, which four constituted the reference group and the twenty-fo...

Effects of sowing time and plant population on the productive potential and agronomic characters in soy

Biosci. j. (Online); 36 (1), 2020
Soy is one of the main cultivated species in the world with great economic expression and high impact on Brazilian agribusiness. The productive potential is expressed due to the genetic constitution of the cultivar and the environment in which it is exposed. The market demands for bean production require...

The glyphosate controversy: an update

Arq. Inst. Biol; 87 (), 2020
The demand for food in the world grows year after year due in part to population growth, but also to the improvement of emerging markets. Brazil is one of the largest food producers in the world. In 2017, its cereal, legume and oilseed crops totaled 238.6 million tons, 29.2% more than the year before. Mu...

System Fertilization: a Viable Practice for Black Oat-soybean Crop

Braz. arch. biol. technol; 63 (spe), 2020
Abstract System fertilization is characterized by partial or total fertilizer application at the predecessor crop; and it can be a viable practice to soybean crop. This study aimed to determine the fertilizer management and fertilizer levels for black oat-soybean cropping system, in high fertility soils ...

Does Dairy Liquid Manure Complementary to Mineral Fertilization Increase Grain Yield Due to Changes in Soil Fertility?

Braz. arch. biol. technol; 63 (spe), 2020
Abstract The main destination of manure is the application to croplands near livestock farms as nutrient source to enhance crop production. The aim of this study was to define the dairy liquid manure (DLM) dose, complementary to the mineral fertilizer, for higher crops yield, in rotation black oat-maize-...

Increasing the Productive Potential of an Ultisol using Cover Crops and Organic and Mineral Fertilization

Braz. arch. biol. technol; 63 (spe), 2020
Abstract The occupation of sandy soils in Brazil has occurred with poor adoption of management technology, which has caused its degradation. The recovery of organic matter, particularly when growing annual plants and cover crops, with mulch residue allows the maintenance of the productive potential of th...

Newly Isolated Penicillium sp. for Cellulolytic Enzyme Production in Soybean Hull Residue

Abstract (1) Background: The aim of this study was to evaluate the production and partial characterization of xylanase and avicelase by a newly isolated Penicillium sp. in solid-state fermentation, using soybean hulls as substrate. (2) Methods: Temperature, time, number of spores, and substrate moist...

Soybean (Glycine max L) seed quality treated with timbó (Magonia pubescens A. St.-Hil) seed coat

Arq. Inst. Biol; 87 (), 2020
The objective of this study was to evaluate the effect of timbó seed coat on the physiological and sanitary quality of soybean seeds. Timbó seeds were collected from mature fruits in the Cerrado. The external layer of the seed coat was removed and crushed in a mill and used in the treatment of soybean ...