World Journal of
Pharmaceutical and Life Sciences

IDENTIFICATION OF SUITABILITY OF RICE PLANTING LAND IN SIPAKU VILLAGE, SIMPANG EMPAT DISTRICT AREA ASAHAN DISTRICT

Muhammad Safrizal*, Diapari Siregar and Muhammad Rizwan

ABSTRACT

Land suitability is the degree to which a piece of land is suitable for a particular use. The suitability of the land can
be assessed for current conditions (actual land suitability) or after improvements have been made (potential land
suitability). In a modern agricultural system, managing nutrients in the soil is very important so that soil
productivity is maintained and its fertility is maintained. In obtaining land suitability classes for rice plants (Oriyza
sativa L.) in the Sipaku Area Village, the matching method was used. The matching method is carried out by
matching data from laboratory analysis of soil taken at the sample location. It was concluded that the suitability
classes for paddy fields were found at SPL 1, SPL 2 and SPL 3 with the actual land suitability classes being
marginally suitable / S3 and quite suitable / S2 with limiting factors for the rooting media in the form of drainage,
into the soil, and nutrient retention in the form of pH, nutrient availability. in the form of soil CEC, soil texture,
and flood hazard in the form of inundation, while the potential land suitability class is quite suitable / S2 with
limiting factors for root media in the form of drainage, soil depth, and nutrient retention in the form of pH, nutrient
availability in the form of soil CEC, soil texture, toxicity in the form of salinity and flood hazards in the form of
inundation, while the potential land suitability class is very suitable / S1 and quite suitable / S2. The depth of the
plow layer has a positive effect on the availability of water for rice plants so that it is related to the production of
lowland rice plants.

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