Background: Coal mined reclaimed soil is prone to losing organic carbon content, increased soil acidity, soil structural damage and compact. This degradation of soil properties can be reduced and improved by applying coal and coal impurities as potential ameliorants. This research was aimed at knowing the potential of coal and coal impurity (partings) to improve the physicochemical properties of coal mine reclaimed soil. Methods: The research was conducted using the randomized block design (RBD) with 3 types of treatment and was in a pot experiment. The tried treatments, among others, are 1) Control (K0), 2) Coal ameliorant (C) and 3) Coal impurity (partings) ameliorant (B). Coal and coal impurity (partings) were both tested with 5 doses, which respectively consisted of 5, 10, 15, 20 and 25 tons ha-1. Result: The results showed that the application of bituminous coal ameliorant and coal impurity significantly affected on physicochemical soil reclamation properties of coal mines. Both types of ameliorants had an effect on increasing pH and decreasing Al-dd contents but were only significantly different from the control (K0). Amelioration significantly affected the increase in the C-organic, Humic acid and N total content with doses of the applications bituminous coal C5, while coal impurity doses of C4.

The research objective was to increase upland rice yield and balancing it with efforts of land conservation to maintain sustainable land productivity. It has been conducted in the research station of Lampung Assessment Institute for Agricultural Technology (AIAT). The treatments were arranged in a factorial randomized block design with three replications. The treatment in the main plot was the method of tillage whereas the subplot was organic fertilizers. The tillage methods were: (1) Maximum tillage and without ditch, (2) Minimum tillage with ditch. The organic fertilizer treatments were control, bio urine plus 10 L ha−1, bio urine plus 20 L ha−1, biodecomposer 10 L ha−1, and biodecomposer 20 L ha−1. The upland rice variety was Inpago 12. The variables observed were soil water content, growth and yields of rice. The results showed that the minimum soil tillage with ditch provided a higher soil water content than the maximum tillage. Likewise, the application of liquid organic matter from local microorganisms (biodecomposer) increased soil water content compared to the control. Application of bio urine plus 20 L ha−1 significantly increased plant height and yield. The highest dry grain was obtained in the treatment of minimum tillage and biodecomposer 20 L ha−1.

One obstacle in soybean cultivation is the presence of pests and diseases. The concept of IPM is a concept of pest control that arises and develops due to human awareness of the dangers of pesticide use that continues to increase both for the environment and public health. This study aimed to determine the intensity of attack by major plant diseases and the number of natural enemies in soybean plants on acid dry land and the population of natural enemies in Lampung This research was conducted in Margototo Village, Metro Kibang District, East Lampung Regency. This study used a randomized block design (RBD) and 10 replications, the treatment plot size was 500 m2 by 30 plots. in each treatment 10 random sample plants were determined with 3 technology packages, which are technology for farmers (A), specific location technology (B), recommendations technology (C). Data analysis used Minitab. The results showed that at plant age 35 Days After Planting (DAP) for armyworm attacks ranged between 17.6 - 18.4%, however there was no significant difference between treatments. The attack of leaf folding ranged between 0.8-7.6% and the highest in treatment A was significantly different from treatment B and C. In general, the highest intensity of pest and disease attacks (gray, leaf folding and leaf rust) was in treatment A and significantly different from treatment B and C. While the existence of the highest natural spider enemies in treatment B and C, compared to treatment A. However, the existence of natural enemies, Menochilus sp., was not significantly different between treatments.

Lampung Province has a great potency for increasing national soybean production, although most of the area is occupied by the acid dry land soils. The aims of the study were to determine the effect of three different packages of soybean cultivation technology on soybean growth and yield, the cropping index, and the farmers’ income on an acid dry land soil of East Lampung. The experiments tested three packages of soybean cultivation technology, namely Local Farmer Technology, Site Specific Technology, and Recommended Technology. The treatments were arranged in a Randomized Block Design with 10 replications. The results showed that soybean yield of the Site Specific Technology was 1.33 t ha−1, which was significantly higher than that of the Local Farmer Technology, with a yield of 0.78 t ha−1. Meanwhile, the yield of the Recommended Technology was 1.26 t ha−1, which was not significantly different from the yield of the Site Specific Technology. There was increases in soybean yield and income by 66 and 30% with the application of the Site Specific Technology compared with the application of the Local Farmer Technology. Therefore, the Site Specific Technology might be recommended for increasing soybean production, especially in Lampung.

The research objectives are to describe economic social condition of dry land rice farmer and role of institutions related to dry land rice farming. This research was conducted in a dry land of Bandar Sribhawono Subdistrict, East Lampung Regency, Lampung Province-Indonesia. The location selection was done purposive random sampling with the assumption that the location has ever been implemented “Largo Super” Program. Respondents were random sampling as many as 68 respondents who came from 4 villages. Data collection usage the method of direct interviews with selected farmers use a questionnaire. Secondary data were obtained from the Central Bureau of Statistics (BPS) of East Lampung Regency and Lampung Province. The result indicates that the institution’s role related to dry land rice farm are farmer group and extension institute. Role of farmers group that is felt by a member of the farmer group namely to provide production means. That role can be more optimized to engage youth farmers to act as extensions. The extensions role is very difficult to increase because an extensions area that is their responsibility cover 2-3 villages. In 2018, the income of the dry land rice farm is below the poverty line.