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Rates and Sources of Soluble Phosphorus on the Behavior of Cowpea Plants Inoculated with Rhizobacteria from Soils of the North Region of Brazil | Chapter 15 | Theory and Applications of Microbiology and Biotechnology Vol. 2

Cowpea can obtain N through biological nitrogen fixation (BNF) through symbiosis with rhizobacteria. However, nodulation and BNF are influenced by edaphoclimatic factors that may bring about benefits or damages to the process, and the availability of nutrients is among the main factors that affect BNF and phosphorus (P). Thus, the present study aimed to determine the effectiveness of doses and sources of soluble P on nodulation, accumulation of nutrients, N and P absorption and use efficiency in cowpea plants inoculated with or without rhizobacteria. The experiment was conducted in a greenhouse at the Federal Institute of Education, Science and Technology, Rondônia, Colorado do Oeste-RO Campus, Brazil. The experimental design was randomized blocks in a 5 x 2 x 2 factorial arrangement, corresponding to five P rates (0, 20, 40, 80 and 160 kg ha -1 of P 2 O 5 ), two soluble sources of P 2 O 5 [single superphosphate (SSP) and thermophosphate], absence and presence of inoculation, with ...

Insects as Food from Deserted Areas in Mexico | Chapter 03 | Recent Advances in Biological Research Vol. 5

Introduction: A large amount of people in semi desert zones live in poverty due to shortage production of food, hence they do not have adequate foodstuff supply, situation that lead to a high index of malnutrition. Semi desert zone at Hidalgo State (north-east of Actopan, Hidalgo) is not suitable for crops, however, flora of Xerophit Thicket mainly Opuntia spp, Agave spp, mezquite trees (Prosopis velutina) and huizache shrubs (Acacia farnesiana L.), are appropriate for the reproduction under critical climate and soil conditions of several species of insects that, even though they are a good source of nutrients that would help to low down malnutrition, are not consumed on regular basis by locals. Aims: The aim of this paper is to detect the edible insects from an arid zone of the State of Hidalgo, assess their macronutrient value and deliver that information to the local population. Place and Duration of Study: Convenience sampling of wild insects were provided at ...

Nutritional Analysis of Octopus hubbsorum B (Cephalopoda: Octopodidae) from the Pacific Ocean, Acapulco, Guerrero, México | Chapter 02 | Recent Advances in Biological Research Vol. 5

Introduction: Mexico is a country with nutrition-related problems, mainly regarding protein-energy deficit and low consumption of minerals and vitamins. This has contributed to Mexico ranking second on adult obesity within countries of the OECD (30% of the population). On the Mexican littoral, many cephalopods exist but only few octopods are used for human consumption. According to Mexican authorities, only four species of octopods are fished, although there are 15 of these benthonic zone organisms that can be used for many purposes. Aim: To establish the micro and macronutrient values of O. hubbsorum B and to evaluate its potential contribution to Mexican diet, since this organism is available all year in the Mexican Pacific Coast. Study Design: Transversal study. Place and Duration of Study: Samples of Octopus hubbsorum were bought from fishermen in Acapulco, in the Mexican Pacific Coast during Autumn 2016. Methodology: Five O. hubbsorum were bought from local fishermen du...