The specific objective of this study is to apply a techno-ecological agricultural model in order to respond to climate change. An increase in air temperature will have an impact on decreasing crop productivity, especially in annual crops. This condition also affects livestock productivity. Besides that, an increase in air temperature will also increase pests and diseases, both on plants and livestock stars. Changing rainfall patterns and increasing the intensity of extreme climate events cause drought or floods which will have a great potential to reduce productivity and even thwart harvests. This research method includes research, data related to climate is taken from several BMKG offices, and population data can be from BPS Kota Padang, data processing with RClimDex software, namely the Expert Team for Climate Change Detection and Indices (ETCCDMI) to detect and monitor climate change with a main focus on extreme climate events. The implementation of this activity is planned for 2 phases, which is carried out in 2019 which analyzes, (first) To find out the climate change occurring in the city of Padang, (second) Applying the techno-ecological agricultural model in addressing climate change in the city of Padang. The results showed that the average concentrations of CO2, CH4, and N2O measured up to mid-2010 were 381.7 ppm, 1824.5 ppb, and 323 ppb. From the picture above it can be seen that the concentrations for these three gases have increased concentrations for CO2 by 37.3%, 160.6% for CH4, and 19.6% for N2O. Theincrease in COconcentrations2 measuredcauses an increase in the value of radiative forcing.
Techno-ecological agriculture seeks to combine the strengths of ecological agriculture with technologically advanced agriculture, so that a more productive, efficient and quality agricultural model with less risk and environmentally friendly will be formed. Population growth will encourage people to open new agricultural lands, causing a decrease in the carrying capacity of agricultural land. The objectives of this study are (1) to analyze land use changes in the city of Padang in 2007 and 2019, (2) to analyze the benefits of the techno-ecological agricultural model in determining the capacity of land in the city of Padang, (3) to calculate the carrying capacity of land for food as a result of its application. Techno-ecological agricultural model in Padang City. This study uses an approach, namely a quantitative descriptive approach, with these variables concerning changes in land use, land capability and carrying capacity of agricultural land for food crops. The population in this study were all areas in the city of Padang consisting of 11 districts, while the sample was areas that were only planted with rice. The results of the study describe (1) The change in paddy fields occurred from 2007 covering an area of 7,266,815 hectares, while in 2019 it decreased to 5,263,489 hectares. (2) Land capability for class III covering an area of 1,399.85 ha, Class IV covering an area of 21,870.08 ha, Class VI covering an area of ?? 4,048.8, and class VII covering an area of 41,051.37 ha, (3) Carrying capacity of food land for rice fields in Padang City produces a value of 0.051 which is included in class III, which means that the city of Padang is an area that has not been able to do food self-sufficiency.
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