Identification of Land Fertility on the Productivity of Lowland Rice and Vegetable Crops in Mudung Laut Village, Pelayangan District, Jambi City

Abstract

The availability of agricultural land is increasingly limited due to the continued conversion of functions into settlements and other non-agricultural infrastructure, it is necessary to identify the remaining fertility of the land. It aims to maintain and increase crop productivity by using more appropriate and environmentally friendly technological inputs. The location of the research was determined to focus purposively on paddy fields (for lowland rice) and dry land (for several types of vegetable crops). The results of soil analysis showed that all land planted with lowland rice and vegetables had an acidic pH (4.60 -5.05), moderate to high organic C (2.71% -3.94%), medium N (0.24% -0.38%), moderate C/N (10.00 -12.00), very low to very high P 2 O 5 (2.90 ppm -66.10 ppm), high to very high K (46.40 ppm -240.40 ppm), and low to moderate CEC (15.27 -18.32). For plant variables, the productivity of lowland rice was 5.22 tons ha −1 , chili 15.00 tons ha −1 , long beans 14.00 tons ha −1 , cucumber 30.00 tons ha −1 , and eggplant 12.50 tons ha −1 . The productivity achieved is higher than at the provincial and national levels, but still cannot reach the potential yield from the description of the existing superior varieties. It was concluded that the agricultural land in the Mudung Laut village is very potential for the development of lowland rice and various types of vegetable crops. However, to achieve the potential yield according to the description it is still necessary to improve soil pH to increase soil pH to near neutral which is more optimal for the growth and development of all types of plants.