Results 31 to 40 of about 112,357 (181)

Fertirrigação e regulador de crescimento na produção de mudas de café em tubete [PDF]

open access: yes, 2018
The use of quality seedlings is important in establishing a productive coffee crop. However, the most widely used method to produce coffee seedlings is time consuming (6-12 months) and lacks new production technologies.
Carvalho, Mychelle   +4 more
core   +5 more sources

Use of water from small alluvial aquifers for irrigation in semi-arid regions. [PDF]

open access: yes, 2011
Water from small alluvial aquifers constitutes an attractive and low-cost option for irrigation and rural development in Northeastern Brazil. Based on piezometric measurements, geochemical analyses and electrical conductivity estimates, the present case ...
Burte, Julien Daniel Pierre   +2 more
core   +4 more sources

The temporal stability of the variability in apparent soil electrical conductivity

open access: yesBioscience Journal, 2016
Apparent soil electrical conductivity (ECa) measurements can be used for crop management in precision agriculture. However, ECa is a soil attribute that presents spatial and temporal variability.
Wilker Nunes Medeiros   +4 more
doaj   +3 more sources

Sistemas territoriais integrados e a paisagem rural no Brasil [PDF]

open access: yes, 2016
Os sistemas territoriais rurais que compõem o território do Brasil são muito diversificados, particularmente no estado de São Paulo, em que pese a invasão dos canaviais e dos campos de soja ou de pastagem.
Argollo Ferrão, André Munhoz de
core   +2 more sources

Colonization and Spore Richness of Arbuscular Mycorrhizal Fungi in Araucaria Nursery Seedlings in Curitiba, Brazil

open access: yesInternational Journal of Agronomy, Volume 2018, Issue 1, 2018., 2018
Araucaria or Paraná pine [Araucaria angustifolia (Bertol.) Kuntze, 1898] is an endangered timber tree species of Atlantic Forest that naturally forms symbiosis with arbuscular mycorrhizal fungi (AMF). The objective of this experiment was to evaluate AMF colonization and spore AMF richness in araucaria seedlings produced in nursery at the metropolitan ...
Carlos Vilcatoma-Medina   +3 more
wiley   +1 more source

Transplantio semi-mecanizado de mudas de tomate em função da velocidade de operação

open access: yesAgro@mbiente On-line, 2015
O transplantio semi-mecanizado de mudas de tomate industrial tem se tornado uma alternativa viável para os produtores, visto que, o mesmo possibilita o aumento da capacidade operacional. Com o objetivo de se avaliar a influência da velocidade de operação
Túlio de Almeida Machado   +4 more
doaj   +1 more source

Agronomic and physiological characteristics of soybean cultivars and their seeds according to plant population

open access: yesAgronomía Colombiana, 2021
Soybean (Glycine max) yield can be influenced by the choice of genetic material along with the use of an adequate plant population and selection of high-quality seeds.
Edgar Estevam França   +5 more
doaj   +1 more source

Growth, Development, and Water Consumption of Irrigated Bean Crop Related to Growing Degree‐Days on Different Soil Tillage Systems in Southeast Brazil

open access: yesInternational Journal of Agronomy, Volume 2016, Issue 1, 2016., 2016
Degree‐days may be an alternative for predicting the influence of temperature on physiological aspects of plants in a changing climate. The objective of this research was to evaluate the relation between cumulative degree‐days index (∑G) and the development, growth, and water consumption of irrigated bean under different soil tillage systems (STS).
Gerson Araujo de Medeiros   +3 more
wiley   +1 more source

Convergência de tecnologias emergentes na área agronômica e engenharia agrícola. [PDF]

open access: yes, 2020
O objetivo do artigo é propor uma metodologia para estudos de convergência de tecnologias emergentes na área agronômica e de engenharia agrícola, utilizando conceitos como os mapas tecnológicos.
ARAUJO, M. de   +2 more
core  

Spatial Dependence of Physical Attributes and Mechanical Properties of Ultisol in a Sugarcane Field

open access: yesThe Scientific World Journal, Volume 2015, Issue 1, 2015., 2015
This study investigates the effect of conventional tillage and application of the monoculture of sugar cane on soil health. Variables like density, moisture, texture, consistency limits, and preconsolidation stress were taken as indicators of soil quality.
Uilka Elisa Tavares   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy