2016
DOI: 10.1590/1809-4430-eng.agric.v36n2p329-341/2016
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Identification of Suitable Areas for Irrigated Rice Cropping Using Modis Images and Hand Model

Abstract: ABSTRACT:One of the most relevant activities of Brazilian economy is agriculture. Among the main crops in Brazil, rice is one of high relevance. The state of Rio Grande do Sul, in Southern Brazil, is responsible for 68.7% of domestic production (IBGE, 2013). The goal of this study was to develop a low-cost methodology with a regional scope to identify suitable areas for irrigated rice cropping in this state, using spectro-temporal behavior of vegetation index by means of MODIS images and HAND model. The rice-c… Show more

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Cited by 4 publications
(2 citation statements)
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“…In soybean farming, the temperature average value was intermediate (303 K), what is the consequence of an intermediate hydric condition. As soybean cultivation also occupies lea areas in the rotation with rice cultivation (Mengue and Fontana, 2016) the availability of water, in general, is superior to the grassland in terrains more distant from the water bodies, even when the cultivation is not irrigated. It is highlighted that, in this period, the crop is considered critical to the grains production and, frequently the evaporative demand of atmosphere is usually superior to the water necessary to the crop.…”
Section: Resultsmentioning
confidence: 99%
“…In soybean farming, the temperature average value was intermediate (303 K), what is the consequence of an intermediate hydric condition. As soybean cultivation also occupies lea areas in the rotation with rice cultivation (Mengue and Fontana, 2016) the availability of water, in general, is superior to the grassland in terrains more distant from the water bodies, even when the cultivation is not irrigated. It is highlighted that, in this period, the crop is considered critical to the grains production and, frequently the evaporative demand of atmosphere is usually superior to the water necessary to the crop.…”
Section: Resultsmentioning
confidence: 99%
“…SRTM data were processed and the HAND model was generated using the distributed hydrologic modeling system, also called TerraHidro, which is part of the TerraView platform, developed by INPE (2010). A height value of 25 m was adopted in the present study, as proposed by Mengue & Fontana (2016).…”
Section: Methodsmentioning
confidence: 99%