Lotus is a water plant that thrives in the swamp waters of South Kalimantan. These plants in some areas are rapidly decreasing due to expansion, urbanization, industrialization, and other land uses that affect their habitat. The germination and growth of lotus seeds are very dependent on the state of the surrounding environment, especially the level of acidity and lighting from sunlight. This study aims to determine the effect of acidity and the duration of natural lighting on the growth of lotus seeds. The study was conducted at the Laboratory of Agricultural Biology, Faculty of Agriculture ULM from March to June 2016. The design used was a Separate Plot Design in a Randomized Block Design, as the main plot was the acidity level of water consisting of 11 levels and as a subplot was the lighting duration consisting of 5 levels with two replications. The results showed that lotus seeds can grow from media which have an acidity level (pH) 3-3.5 and a base pH of 7.5-8. Seeds can germinate and grow in both dark and bright conditions, but treatment with a long exposure time of 7 and 24 hours of light is the best.
Management of land potential in an area requires technological innovation to produce good quality. Proper land management and processing can improve the product and standard of living of the local community. Chili commodity is a very strategic commodity, where the development of this commodity will never experience a decline and even tends to continue to be increased, due to the high level of demand and consumption. Seeing this, it is very necessary to carry out activities with the background of activities, namely 1) The local community does not realize that their area has the potential for the development of various chilies, and 2) There is still limited public knowledge regarding the use of land suitability management, cultivation technology, and post-harvest technology of various chilies. The purpose of this activity is to build community capacity by developing and utilizing the potential of both natural and human resources in order to improve the community's standard of living. The method used in the Birayang Batang Alai Selatan Village is to carry out 1) Site Surveys and Community Identification, 2) Socialization of Activity Programs, 3) Extension and Training, 4) Mentoring and Continuous Guidance. The technique used in chili cultivation is MPHP (black silver plastic mulch). Community empowerment in addition to the implementation of cultivation for women through diversification of chili-based food. The result of this activity is the achievement of maximum chili production, due to suitable land supported by appropriate technology. This technology is expected to be followed by other communities and is sustainable and more optimal which is expected to improve the welfare of the community.
The lotus is one of the aquatic plants that grow in the Lebak area and is widely used as food and medicine by the local community. The lotus growing environment determines its growth. The distribution of lotus plants has not been well identified. This study aims to determine the distribution of lotus mapping for environmental evaluation of lotus growing in Teluk Sinar Village, Sungai Pandan District, Hulu Sungai Utara Regency, South Kalimantan Province. The study used data collection methods with primary and secondary data survey techniques. Primary survey through delineation of lotus plant boundaries in the field. Field measurements were also carried out to identify the environmental variables of lotus growing. In addition, the interpretation of high-resolution satellite imagery and low-resolution satellite imagery for spectral analysis. The environmental variables for growing lotus include water depth, light penetration depth, water pH, and sediment pH. The results of the study revealed a map of the distribution of lotus and the growing environment of the lotus. The lotus distribution map was obtained from the results of overlaying several thematic maps, image interpretation, and field measurements using Arc View and Arc GIS software. The distribution of lotus plants can grow in an environment with a water depth of 35-121 cm, a light penetration depth of 23-100 cm, a water pH of 6.25-8.37, and a sediment pH of 3.33-4.69. The results of the Lotus Distribution Mapping and the Lotus growing environment obtained can be used as a basis for determining the potential distribution of Lotus in each region.
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