2019
DOI: 10.1007/s11442-019-1597-y
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The effect of terrain factors on rice production: A case study in Hunan Province

Abstract: Rice (Oryza sativa L.) is the most important staple crop of China, and its production is related to both natural condition and human activities. It is fundamental to comprehensively assess the influence of terrain conditions on rice production to ensure a steady increase in rice production. Although many studies have focused on the impact of one or several specific factors on crop production, few studies have investigated the direct influence of terrain conditions on rice production. Therefore, we selected Hun… Show more

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Cited by 29 publications
(12 citation statements)
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“…Accordingly, the relief amplitude model is used to analyse the spatial distribution characteristics of cultivated land evolution in Southwest China. Relief amplitude is a macroscopic index to describe regional topography and geomorphology features, which refers to the difference between the highest amplitude point and the lowest amplitude point in an area (Wang et al, 2019). The formula is as follows: RFi=HmaxHmin. …”
Section: Methodsmentioning
confidence: 99%
“…Accordingly, the relief amplitude model is used to analyse the spatial distribution characteristics of cultivated land evolution in Southwest China. Relief amplitude is a macroscopic index to describe regional topography and geomorphology features, which refers to the difference between the highest amplitude point and the lowest amplitude point in an area (Wang et al, 2019). The formula is as follows: RFi=HmaxHmin. …”
Section: Methodsmentioning
confidence: 99%
“…The Shuttle Radar Topography Mission (SRTM) digital elevation data were sorted in GEE, which helped produce digital elevation models (DEMs) on a near-global scale at a resolution of 30 m. The data show that rice is suitable for growth only on slopes less than 9° [ 22 ]. In this study, we collected this product to reduce the effects of slope and elevation on rice growth and then masked the areas where rice is unlikely to be grown.…”
Section: Study Area and Data Processingmentioning
confidence: 99%
“…The growth of rice is affected by air temperature and humidity (Sharifi, Hijmans, Hill, & Linquist, 2018), sunlight (Wang et al, 2019), soil temperature and soil moisture (Zhang et al, 2020), water (represented by water level, Jaafarullah, 2018) and nutrient (Cuong, Ullah, Datta, & Hanh, 2017; represented by electronic conductivity, Crisnapati, Wardana, Aryanto, & Hermawan, 2017). Therefore, this study deployed environment sensors according to the factors mentioned above to develop the SFCS and adopt NB-IoT technology for data transmitting.…”
Section: Smart Field Cultivation Server (Sfcs)mentioning
confidence: 99%