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Now showing items 21-30 of 52
Estudo da dinâmica da solução do solo para o manejo da fertirrigação por gotejamento na cultura do pimentão
(Universidade Federal de São Carlos, 2011-07-15)
Among various systems, the drip irrigation has been increasingly used, mainly because of its greater efficiency in water use. This work aimed to study the dynamics of soil solution, characterizing the distribution and ...
Modelagem matemática da interação populacional entre Diatraea saccharalis (Fabricius, 1794) e o parasitoide Cotesia flavipes (Cameron, 1891)
(Universidade Federal de São Carlos, 2016-09-29)
The sugarcane borer, Diatraea saccharalis, is one of the major pests in Brazil causing great damage to the crop. Studies estimate that, for each 1% of sugarcane borer infestation, the yield losses will be 1.14%, the reduction ...
Influência da área de reserva legal sobre a biologia da polinização de Solanum lycopersicum L. híbrido Pizzadoro (Solanaceae)
(Universidade Federal de São Carlos, 2014-03-28)
It is estimated that approximately 73 % of the world crops are pollinated by a bees. The constant alteration of habitats has led to the decline of pollinators, which may reflect limitations in the quantity and quality of ...
Valores de referencia de elementos inorgânicos potencialmente tóxicos em solos do Estado de São Paulo
(Universidade Federal de São Carlos, 2015-07-08)
The use of guiding values has been the practice in countries with tradition in
monitoring the quality of natural resources. The first step of a pollution monitoring
program is to establish the natural concentrations of ...
Simulação do comportamento de íons em solos altamente intemperizados utilizando o modelo de capacitância constante
(Universidade Federal de São Carlos, 2017-03-13)
Agriculture is a very important economic activity in Brazil, and almost all cultures are
grown directly on the soil. Thus, improve the knowledge of soil behavior is fundamental
for the improvement of agricultural practices ...
Seletividade de herbicidas aplicados em pré-emergência e pós-emergência sobre Crotalaria ochroleuca, Cajanus cajan e Raphanus sativus
(Universidade Federal de São Carlos, 2017-05-12)
Green manure has been widely diffused because of the benefits it brings to the
chemical, physical and biological characteristics of the soil. However, the adoption of
this practice by farmers depends on the definition ...
A importância das abelhas na visão de diferentes segmentos da cadeia produtiva do maracujá (Passiflora spp)
(Universidade Federal de São Carlos, 2017-02-22)
This work aims to evaluate the perception of the different segments of the passion fruit production chain (Passifloraceae edulis) regarding the importance of bees. This agricultural culture is responsible for generating ...
Qualidade do solo em áreas restauradas no estado de São Paulo
(Universidade Federal de São Carlos, 2015-05-08)
Ecological restoration is an emerging field of restoration ecology, and is widely used as an important tool for biodiversity conservation. However, appropriate indicative allocations of soil quality for the assessment and ...
Visitantes florais e eficácia de Xylocopa frontalis (Olivier, 1789) na polinização de Passiflora edulis f. flavicarpa Deg. (Passifloraceae)
(Universidade Federal de São Carlos, 2016-03-01)
Pollination is an effective ecosystem service, responsible for increasing the quantity and quality of fruits and seeds formed. Due to the self-incompatibility of some species of agricultural interest, cross-pollination is ...
Hospedabilidade de plantas daninhas a Meloidogyne spp. e interação entre herbicidas e nematicidas para a cultura de cana-de-açúcar
(Universidade Federal de São Carlos, 2015-12-11)
The sugarcane has great economic importance in Brazil. To keep productivity several
biotic and abiotic factors can positively or negatively influence. Among them, weeds,
nematodes and synergistic action between pesticides ...