Purpose of the study: This study aims to determine the applicability of the MURDER type collaborative learning model and the relationship between the implementation of this model on student learning outcomes. Methodology: The design used in this study is the Mix Method. Sampling was carried out by purposive sampling in senior high school 4 Jambi City. The instrument used is the observation sheet and questions. Before the test was carried out, the questions were tried to determine the validity, difficulty level, discriminating power, and reliability of the questions. The prerequisite test used normality and homogeneity tests, while the analysis used Bivariate and Pearson correlation. Main Findings: The results of this study indicate that the implementation of the model by teachers and students through qualitative results is exemplary, with an average quantitative result each for teachers is 78.125% and for students is 70.29%, followed by an average student learning outcomes that reach 75,26. The result of the correlation test is R = 0.717 with a significance value of 0.000 <0.05, which means that there is a significant correlation, while the contribution of the R Square value is 0.514, which means that the implementation of the MURDER type collaborative learning model, contributes to Learning Outcomes of 51.4 %. Novelty/Originality of this study: The novelty of this study is the focus on analyzing the application of the MURDER type collaborative learning model and determining its correlation to student learning outcomes at senior high school 4 Jambi City on the subject of reaction rates.
Material compost can be foliage, rice husk, organic garbage, and herbs water hyacinth that considered to be weeds because the population is a huge and speed growing fast. To make use of herbs water hyacinth as compost can by using PGPR that serves as decomposer to accelerate decay. PGPR contained the bacterium Pseudomonas fluorescent and Bacillus polymixa. The material used a source of PGPR, namely root bamboo, roots daughter shame, roots cane, and roots bulrush. The research aims to understand the influence of the nutrient content water hyacinth (Eichornia crassiper (Mart.)) in composted with different kinds of PGPR (roots bamboo, roots bulrush, roots daughter shame, and roots cane). The research in Kandang Jaya Village District of Lampihong Balangan Regency of February to the month of April 2016. The research using design random complete (RAL) single factor. Factors the treatment is types of material PGPR (P) as four the economic situation of PGPR bamboo roots (p1), PGPR bulrush roots (p2), PGPR Mimosa pudica roots (p3) and PGPR cane roots (p4) as 250 ml/decomposer. The research results show that the various from of PGPR is not had a real impact on the nutrient content N-total, P and K as well as the value of the C-organic on composting results c.
Lettuce is a type of green leafy vegetable that has many benefits and a good source of vitamins. DFT hydroponics is plant cultivation without using soil. Cocopeat and hydroton are hydroponic growing media. This study aims to (i)determine the effect of various compositions of the DFT hydroponic growing media on growth and yield of lettuce (ii) obtaining the best composition of the DFT hydroponic planting media on growth and yield of lettuce. This study was conducted in Rica Village, Paringin District, Balangan Regency from February to April 2019. This study used a Randomized Design Group (RDG)single factor. The factors observed were the composition of the hydroponic planting media of the DFT system (m) by as much as 5 degrees of consisting of m1 = 100% cocopeat: 0% hydroton (100 g cocopeat: 0 g hydroton), m2 = 0% cocopeat: 100% hydroton (0 g cocopeat: 100 g hydroton) , m3 = 50% cocopeat: 50% hydroton (50 g cocopeat: 50 g hydroton), m4 = 75% cocopeat: 25% hydroton (75 g cocopeat: 25 g hydroton), m5 = 25% cocopeat: 75% hydroton (25 g cocopeat: 75 g hydroton). The results showed that the treatment of the composition of the hydroponic growing media had a very significant effect on plant height 14,21,28 and 35 HST, the effect was very significant on the number of leaves 7,21,28 and 35 HST, significantly affected the wet weight of the plant. The best treatment is obtained at m5 = 25% cocopeat: 75% hydroton (25 g cocopeat: 75 g hydroton).
Utilization of insect diversity is useful in overcoming pest in the field, by using parasitoids and predators to control pests, can prevent the use of toxic chemicals in the field, while providing a safe haven for other species to live and play its role in maintaining the health of the ecosystem. Insect diversity in South Kalimantan, especially paddy fields in swampy areas largely unknown, and therefore need to be examined. The aim of this study is to identify and assess the diversity of natural enemies in paddy crop in swampy areas, especially in the three villages in the district of Sungai Pandan, Hulu Sungai Utara. This study was conducted from February - June 2015. The method used in this research is survey method with direct observation with an area of rice fields has been determined, and sampling arthropod natural enemies by using a swinging nets, water traps and light traps. Results from this study are: (1) The number of arthropod natural enemies found in shallow swamps is 20 species from seven orders, mid swamps and in each of the 16 species of seven orders; (2) The highest predator arthropod population in the shallow swamp area is Micraspis sp., The middle swamp is Paederus fuscipes, and the deep swamp is Micraspis sp. ; and (3) the diversity index of natural enemies of arthropods on the third mainland is low
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