This research aims to determine the growth response of corn plants (Zea mays) given zeolite coated urea fertilizer as a nitrogen slow-release fertilizer. This research uses Randomized Group Design (RGD) with 3 repeats. The observation parameters are. Corn plant growth including corn cob weight (grams), corn cob length (cm) and corn kernel weight (grams) which are measured after harvest. The research results showed that there was interaction between zeolite coated urea fertilizer and the corn plant growth results with different results than other treatments namely negative control (only Mono Potassium Phosphate fertilizer) and tending to be better than positive control (urea fertilizer and Mono Potassium Phosphate).
This research study aims to determine the production of nitrous oxide (N2O), carbon dioxide (CO2), the rate of ammonium-nitrate, microbe responses in soil following the addition of urea coated by zeolite under soil incubated. The result showed that urea granulated with zeolite in soil sample had a significant effect on the production of CO2and have no significant increase N2O productions. Therefore, the addition of urea with zeolite seems to decrease the production of N2O compared to urea alone. The concentrations of ammonium and nitrate during incubation time were significantly affected by the amended type of fertilizers. The availability of ammonium and nitrate in soil were increased by addition of urea zeolite 30%. The urea combinedzeolite increases the growth of the fungi population, while population of ammonium oxidizer bacteria seems appearedlower in soil that amended with fertilizer compared to the control. The study showed that urea granulated with zeoliteincreased the time availability of soil nitrogen.
<p>This study aims to determine the comparison learning outcomes digestive system material in reciprocal teaching learning model used game smart case with not used game smart case students SMA Negeri 1 Barru. The sample in this research is the students of class XI MIA 4 as experiment class 1 and class XI MIA 7 as experiment class 2 which amounts to 70 students obtained by using simple purposive sampling technique. This research uses quasi experimental research design pretest-posttest non equivalen comparison group design. The cognitive learning outcomes were measured using a multiple choice test of 30 numbers and a description test of 5 numbers on the dietary material of the digestive system. The data obtained were analyzed by descriptive statistic and inferential statistic using paired sample anacova test with significance level 0,05. The result of t test statistic for students' cognitive learning result is 0,004 means Ho is rejected and H1 accepted so that it can be concluded that there is a comparison learning outcomes digestive system material in reciprocal teaching learning model used game smart case with not used game smart case students.</p>
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