Abstract
In South Borneo, sweet potato baking is very good market and has to be shipped from Java for fulfilling the demand of the people. Preparation of sweet potato as additional food is only simple by put in oven, so it is sold fresh from the oven. In 2015, description of area mainly physical and chemical aspects were undertaken to provide adequately data. Analysis of soil sample was done for the parameters of pH, C organic as well as N, P and K. Based on this analysis, the treatment was designed based on practical work. Apex vine cutting of several sweet potato varieties were taken from ILETRI to Borneo during 2016 and 2017. In 2017, two varieties were used as the main plot, and five inputs were determined as subplot. Therefore, ten combination treatments were laid down in three replications, in the plot size of 6.0 m x 5.0 m. Planting distance of sweet potato was 100 cm x 25 cm. During 2017, planting was done at February and harvesting was undertaken on July. Growth and yield components were analyzed by statistical procedure by using MSTATC. Statistical analysis indicated that there was not significantly affected by interaction between variety and agronomic inputs as well. However, both main and subplot were separately affected growth and yield. ILETRI variety Beta3 gave better yield with agronomic input1 able to obtain 15.39 t ha-1. However, the increase of agronomic input did not follow the increase of tuber yield.
 Int. J. Agril. Res. Innov. Tech. 10(2): 29-34, December 2020
Highlights
Among the food crops, sweet potato is the fifth important source of carbohydrate in Indonesia (BPS, 2017)
From the field survey of 2015, basically soil type of Barito Kuala (Batola) was dominated by Alluvial and the remaining was Organosol around one third portion
The soils in general has high clay content (57.8% clay). This land is a great area for tidal farm in Batola
Summary
Sweet potato is the fifth important source of carbohydrate in Indonesia (BPS, 2017). Sweet potato is additional food very popular in Indonesia, including in South Borneo. Preparation of sweet potato as additional food is only simple by put in oven, so it is sold fresh from the oven. The price of sweet potato fresh is around Rp. 27.500/kg This price is consider interesting for the people around South of Borneo. Growing sweet potato in South Borneo is an opportunity, because market is really available. In Negara sweet potato can be grown for tuberous root yield after four months. It is grown in the area of swamp after water dried, so land occur sweet potato is planted on the huge of ridges smeared by mud. Farmers did not grow in larger area, due to limitation of planting material as well as it was done merely by their own labor
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