Abstract
Some districts in Central Java have problems regarding the shrinkage of agricultural land area and a high decrease in the number of farm households. The increase in population and economic development is one reason for the increased demand for land to convert agricultural land. The faster rate of land use change can affect the conditions of domestic food availability in an area, so it is important to quantify the area of agricultural land to monitor changes in land area. This research aims to calculate changes in agricultural land area through the balance of agricultural land resources. This research was conducted with quantitative methods and analyzed descriptively and spatially. Agricultural land is calculated using the land resource balance through a skronto table in 2009 and 2018. The results show that a decrease in area is more dominant than an increase in land area. The largest decrease in total land area occurred in tegal/farm area of 21.12 % and paddy field area of 3.43 % of the previous area. Spatially, changes of land area influenced by land conversion with two factors, namely physical condition and accessibility of the area.
Highlights
Agricultural land is permanent even decreases due to changes in land use changes that have occurred long ago
This study aims to calculate changes in agricultural land area through the balance of agricultural land resources, because the balance sheet is one of the simple tools to facilitate monitoring and evaluation of land availability [16], in this case especially in Purworejo District
The increase in area reached more than 100 % of the previous land area, this is because the previous area was recorded 0 ha
Summary
Agricultural land is permanent even decreases due to changes in land use changes that have occurred long ago. Fluctuations in changes in agricultural area are faster than before [1,2,3,4], even though Indonesia has UU No 41/2009 concerning about Protection Sustainable Food Agriculture Land, but conversion of agricultural land still occurs. Depreciation of agricultural land area in Indonesia, occurred long ago and it was known when the Agricultural Census Results were published. The area of agricultural land in Indonesia continues to decline with the growth rate showing a negative sign, especially paddy fields. Paddy fields are the land that has the largest decrease in area compared to other types of agricultural land [5]
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