| dc.description.abstract | Availability of soil water affect the growth, development, and productivity
of soybean plants. The purpose of this study were to analyze the soil water
availability in Tanjung Jabung Barat Regency using SWAT, mapping suitable
land, and to analyze soybean planting scenario. Soil water availability was
calculated by SWAT model, and land mapping was conducted based on crop
water requirement of soybean. The result of SWAT simulation showed that the
soil water availability in field capacity on 155 subbasin were 5 - 352.3 mm, with
the planting period 90 days. Water deficits months were August and September.
Water requirement for soybean was 250-317 mm per planting scenarios. Land
mapping for soybean produced 12 planting scenarios with the area of sufficient
and unsufficient soil water availability. The area with sufficient soil water
availability had a small surface and located in West side of Tanjung Jabung Barat
Regency. The best planting scenario was scenario 11 (November – January) with
the minimum water requirement of 249.7 mm. | id |
