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Variação de alguns elementos micrometeorológicos no dossel de plantas de batata
(Universidade Federal de Santa Maria, 2005-02-28)
Potato (Solanum tuberosum) crop has many cultivation problems such as pests and the diseases, that settle down in the plants if the environmental donditions are favorable. The more important meteorological elements for ...
Avaliação da qualidade fisiológica e sanitária de sementes de abóbora variedade menina brasileira
(Universidade Federal de Santa Maria, 2005-02-04)
Knowing the importance of to evaluate the physiological and health quality of the seeds, this present work objectived to determine the exposition period of the seeds at shortest temperature in the cold test and the temperature ...
Qualidade de sementes de arroz irrigado submetidas a diferentes temperaturas na secagem estacionária
(Universidade Federal de Santa Maria, 2005-06-28)
Obtain rice seeds with high quality are necessary to make the harvest close to physiologic maturity, when the seeds showed high moisture. Then, drying process is considered necessary, nevertheless the drying temperatures ...
Recomendação de nitrogênio e potássio para trigo, milho e soja sob sistema plantio direto no Paraguai
(Universidade Federal de Santa Maria, 2005-08-08)
More than 50% of the cultivated areas in the Southern Brazil and more than 60% of the cultivable area in Paraguay adopted the no-tillage system. This system went through several improvements, but there are still doubts ...
Transição agroecológica em sistemas de produção de batata
(Universidade Federal de Santa Maria, 2005-08-29)
This work was done as an articulation program between technicians of EMATER-RS, UFSM and FEPAGRO-RS and small farmers of ASBAT. The research aimed to evaluate
management practices of the potato production in a systemic ...
Potencial de mineralização anaeróbica do nitrogênio em solos de várzea do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2005-02-23)
The soil organic nitrogen is the main source of N to crops, which is released from soil organic matter (SOM) decomposition by microrganisms. The N fertilization is based
on SOM levels, however, the SOM decomposition and ...
Compactação do solo e sua influência nas propriedades físicas do solo e crescimento e rendimento de culturas
(Universidade Federal de Santa Maria, 2005-02-28)
Sol compaction effects on soil and plants has been subject of several studies. However, several parameters are used to evaluate soil compaction like bulk density and soil penetration resistance, but these parameters are ...
Fenologia e qualidade de carthamus tinctorius l. em diferentes populações e épocas de cultivo
(Universidade Federal de Santa Maria, 2005-02-11)
This work had as objectives to test different populations of the culture of cartamo, regarding the behavior of the fenology, the characteristics of the stem, the cycle and the behavior of the border plants at two cultivation ...
Compactação em latossolos e argissolo e relação com parâmetros de solos e de plantas
(Universidade Federal de Santa Maria, 2005-02-28)
Soil compaction is closed related to agriculture as well as animal production management. Soil quality improvement has not been always achieved with use of soil conservation practice as no-tillage or use of animal production ...
Aspectos técnico, econômico e ambiental do uso de fontes orgânicas de nutrientes, associadas a sistemas de preparo do solo
(Universidade Federal de Santa Maria, 2005-06-24)
The manures have been used as organic nutrient sources in many soil and climatic conditions, and their effects on technical, economic and environmental aspects are dependent on their characteristics and it can be changed ...