Abstract
A decrease in the area of soybean farming has an effect on reducing soybean production from year to year so that it has not been able to meet the needs of national soybean consumption. Land suitability assessment is an effort to be able to optimize land use. In the process of assessing land suitability manually, it is considered inaccurate. The purpose of this study was to determine the land suitability class for soybean plants. The land suitability classification system used is the FAO land suitability classification classified at the sub-class level. Land suitability evaluation uses a matching system, as well as comparing the characteristics of land with plant growing community formulated in the technical evaluation of land guidelines for agricultural commodities. In the matching process Leibig's minimum law is used to determine the limiting factors that will affect the suitability of the class and sub-class of the land. Requirements for growing plants become kiteria in conformity evaluation. The results showed that the limiting factors of land suitability for soybean plants that had to be improved were temperature, rainfall, soil texture, C-Organic, N-Total and P-Available soil. The limiting factor of temperature and soil texture cannot be improved so that the marginal fit class (S3) on actual land suitability remains marginal fit (S3) in terms of potential land suitability.
Highlights
In increasing crop productivity, the government is more focused on doing business related to increasing non-physical production such as expansion of crop areas, providing superior seeds and counseling on eradicating pests
In Indonesia, the total area of soybean plantations has decreased by 41.6% over the last 20 years, namely from 1995 with a planting area of 1,476,284 ha until 2015, which only reached 614,095 ha of planted area (BPS, 2016)
The amount of soybean production in 2015 has not been able to meet the needs of national soybean consumption which reached 2.87 million tons / year which will be predicted to continue to increase from year to year due to population growth (Global Agricultural Information Network, 2016)
Summary
The government is more focused on doing business related to increasing non-physical production such as expansion of crop areas, providing superior seeds and counseling on eradicating pests. The amount of soybean production in 2015 has not been able to meet the needs of national soybean consumption which reached 2.87 million tons / year which will be predicted to continue to increase from year to year due to population growth (Global Agricultural Information Network, 2016). The still minimal use of land due to the decrease in soybean land area from year to year has an effect on the production of soybean produced. One effort to increase soybean agricultural production output is to allocate planting in suitable land (Widiatmaka, et al.,2016). Land use planning in the form of land suitability assessment is important to allocate soybean planting on suitable land to optimize land use (Dengiz, et al.,2013) and can be used as a solution to increase production (Zhang, et al.,2015) soybeans to be sufficient national consumption needs. Lack of understanding of land suitability will have an impact on environmental disturbances that have consequences on long-term problems that are difficult to change (Rodrigo, et al.,2004)
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
