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Regularidade de resposta da cultura do milho à compactação do solo
(Universidade Federal de Santa Maria, 2012-08-27)
The hypothesis that soil compaction in no-tillage affects crop production has been
tested often, however, there is no regularity in the relationship between plant response and
soil compaction indexes that has allowed ...
Sistemas de culturas sob diferentes manejos por longa duração alteram as formas de fósforo do solo?
(Universidade Federal de Santa Maria, 2012-08-24)
The thesis objective was to evaluate the forms of accumulation and release of phosphorus from cover crops waste under long time of different soil management systems and its relationship with the soil phosphorus forms. The ...
Diversidade de minhocas e sua relação com ecossistemas naturais e alterados no estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-06-22)
Knowledge on earthworms diversity in Rio Grande do Sul (RS) State, as well as in Brazil,
is lower than the range estimated by taxonomists. The study aimed to: 1) evaluate the diversity
of earthworms present in ecosystems ...
Emissão de amônia e dinâmica do nitrogênio no solo com parcelamento da dose e adição de inibidor de nitrificação em dejetos de suínos
(Universidade Federal de Santa Maria, 2012-04-27)
Pig Slurry (PS) is used mainly as a fertilizer for crops in southern Brazil where the
predominant soil management is in no-tillage. Thus, the application of manure on the soil
surface can increase losses of nitrogen (N) ...
Cobre em solos arenosos sob vinhedos e resposta bioquímica-fisiológica de videiras em produção
(Universidade Federal de Santa Maria, 2012-12-20)
The use of Cu-based fungicides in the cultivation of grapevines for controlling fungal diseases
results in excessive accumulation of Cu in soils, which may cause nutritional problems to
plants. The present work aimed to ...
Adubação orgânica em condições de irrigação suplementar e seu efeito na produtividade da quinua (Chenopodium quinoa Willd) no planalto da Bolívia
(Universidade Federal de Santa Maria, 2012-08-24)
Quinua (Chenopodium quinoa Willd.) is an Andean grain with high protein content (14%), and it is one of the main crops that generate incomes for Bolivian plateau farmers. The quinua crop grows in conditions of low temperature, ...
Atributos do solo e desempenho da cultura do milho sob diferentes alturas de massa de forragem pós-pastejo
(Universidade Federal de Santa Maria, 2012-02-29)
The Crop-Livestock System (ILP) refers to an association between two activities in the same area at
different periods of the year, that involves annual crops and livestock. This study aimed to: (a)
evaluate the dry matter ...
Preparos e propriedades físicas de um solo arenoso para cana-de-acúcar e mandioca no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-02-29)
The growing demand for biofuels as alternative to petroleum-based fuels has instigated increased production of bioenergy crops. The southern half of Rio Grande do Sul, by having limited water resources for the production ...
Relação entre o capeamento pedológico e o substrato rochoso-arenoso no oeste do estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-08-03)
The western part of Rio Grande do Sul, which corresponds to geomorphological sector Cuesta de Haedo, is almost entirely composed by volcanic rocks from the Serra Geral Formation, and by sandy sediments from the upper part ...
Disponibilidade do nitrogênio em solos de várzea e parâmetros da planta para avaliação nutricional da cultura do arroz irrigado
(Universidade Federal de Santa Maria, 2012-08-31)
The present work aims at assessing the nitrogen mineralization in aerobic and
anaerobic conditions in an incubation experiment and monitoring the N level in plants by the
use of chlorophyll meter in order to establish a ...