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Phytophagous insects and natural enemies in kale under organic and chemical fertilizers
(Instituto Biológico, 2020-06-05)
Organic agriculture is distinguished by practices that benefit the environment and support sustainable agriculture. In the present study, leafy kale, Brassica oleracea L. var. acephala DC., was submitted to chemical and ...
Nitrogen recovery, use efficiency, dry matter yield, and chemical composition of palisade grass fertilized with nitrogen sources in the cerrado biome
(2016-01-01)
The high cost and the low efficiency of fertilizers, especially nitrogen (N), are of major concerns in agriculture. This study aimed to evaluate the effect of N fertilizers sources in Urochloa brizantha cv. Marandu (palisade ...
Fertilizante orgânico como fonte de fósforo no cultivo inicial de brachiaria brizantha cv. Marandú
(2010-04-01)
Phosphorus is considered an essential element for plants, but it is found in low amounts in Brazilian soils, mainly in areas destined to pastures, and the application of organic matter contributes to the improvement of ...
Fertilizante orgânico como fonte de fósforo no cultivo inicial de brachiaria brizantha cv. Marandú
(2010-04-01)
Phosphorus is considered an essential element for plants, but it is found in low amounts in Brazilian soils, mainly in areas destined to pastures, and the application of organic matter contributes to the improvement of ...
Physical and chemical attributes of a soil cultivated with rubber tree under three management strategiesAtributos físicos e químicos de um solo cultivado com seringueira sob três sistemas de manejo
(2020-01-01)
Rubber tree (Hevea brasiliensis) is a native species of the Amazon biome. This species had great economic importance due to the production of latex, used to obtain natural rubber. Seeking growth in productivity with adequate ...
Effect of calcium fertilization on silver vase bromeliad (Aechmea fasciata)
(Soc Brasileira Floricultura & Plantas Ornamentais, 2019-04-01)
The present study aimed to evaluate the effect of different concentrations of calcium on growth and development of silver vase bromeliad (Aechmea fasciata). Plants were fertilized three times a week with nutrient solutions ...
Qualidade da madeira e da celulose de um clone de eucalyptus grandis plantado em três locais
(2011-01-01)
Eucalyptus grandis is one of the most popular species to use as raw material for pulp production in Brazil, as it provides excellent pulping, bleaching and papermaking results. The main objective of this study is to examine ...
The origin and evolution of queen and fertility signals in Corbiculate bees
(BioMed Central, 2015)
Abstract
Background
In social Hymenoptera (ants, bees and wasps), various chemical compounds present on the cuticle have been shown to act as fertility signals. In addition, ...