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WEED GROWTH WITH PROVISION MULCHING PADDY STRAW DYNAMICS IN PADDY FIELD AT METHODS SRI (THE SYSTEM OF RICE INTENSIFICATION)
Zulmardi1, Musliar Kasim2, Irawati Chaniago2 and Agustian2
1PhD student in Agronomy of Postgraduate Studies Andalas University, Padang, Indonesia
2Faculty of Agriculture Andalas University, Padang-Indonesia
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ABSTRACT
To controlling weed growth of paddy rice in the SRI (the System of Rice Intensification) method can be done by using paddy straw mulch. The research method in the form of field trials with a completely randomized design, with a dosage of 15 t/ha and the time of application paddy straw mulch with three modify time. The provision of artificial fertilizer at half the recommended dosage, analysis conducted on weeds and rice yields. The results showed that paddy straw mulching applied twice on rice aged 7 day after planting (DAP) and 14 DAP each half dose gave a decrease in the growth of weeds. Number of weed species and individuals, obtained 12 species with 9,723 individuals. The dominance of the family Poaceae 88% and to Onagraceae 30%, Family Onagraceae relative density of 75.6 individuals/m2 to 66.8 individuals/m2 and family Poaceae of 30.3 individuals/m2 to 14.9 individuals/m2. Dominance species by Echinochloa sp., and Commelina sp. based summed Dominance Ratio (SDR), it indicates a very effective weed control. Rice yield that is 7.32 t.ha-1 that increased by 86.1% compared to the SRI method control, and increased by 106.1% compared with the conventional method.
Keywords: weed dynamics, paddy straw mulch, paddy field, SRI methods
SUPEROVULATION RESPONSE ON PESISIR CATTLE IN VARIOUS LEVELS OF FSH DOSAGE
T. Afriani1, M. Primananda1, Z. Udin2 and Jaswandi2
1Faculty of Animal Science, Andalas University,
Kampus Limau Manis, Pauh, Padang, Sumatera Barat 25163-Indonesia
2Reproduction and Physiology Laboratory, Faculty of Animal Husbandry, Andalas University, West Sumatra, Indonesia
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ABSTRACT
This research was done with experiment method to know responds of various doses of hormone Follicle Stimulating Hormone (FSH) for super ovulation on pesisir cattle. The total amount of pesisir cattle used in this research are 9 cattle with age within 3-5 years old with weight within 140.678 ± 5.51 kg. Pesisir cattle was given a tool named Control Internal Drug Release (CIDR) Containing hormone progesteron. On the 9th day after hormone FSH was given to estrus (the brand is FOLLTROPIN-V produced by Bioniche Animal Health Canada Inc). The doses of hormone FSH used were 16 ml, 18 ml dan 20 ml. On the 3rd day after giving the FSH, PGF2α was injected (the brand is CAPRIGLANDIN produced by Caprifarmindo Labs, Bandung Indonesia) with dose 5 ml. Artificial insemination on 12, 24, 36 hours after the first estrus or about 60, 72, 84 hours after the first injection of PGF2α. Harvest of embryo on the 7th day after the first artificial insemination (about 20th or 21st day after estrus). The measured variable was the level responded of pesisir cattle superovulated, the total amount of corpus luteum (CL) and embryos of pesisir cattle. The result showed that respond of super ovulated on pesisir cattle was 55.56%. The average amount of CL and the amount of embryo on pesisir cattle was 3.89 ± 3.551 and 3.22 ± 4.953. FSH injected with 16 ml dose gave good result, but the best respond with FSH was 20 ml dose. The 20 ml dose gave the most total amount of embryos.
Keywords: Pesisir cattle, FSH, Superovulation respond, Corpus luteum, amount of embryos.
ECONOMIC FEASIBILITY ANALYSIS CRITICAL LAND MANAGEMENT IN PROJECT VCM (VOLUNTARY CARBON MARKET) (CASE STUDY IN JORONG SUBARANG KENAGARIAN PANINGGAHAN SOLOK DISTRICT)
Anugrah Sri Widiasyih, Rudi Febriamansyah and Syahyana Raesi
Faculty Agriculture Andalas University, Kampus Unand LimauManis,
25163, Padang, Indonesia
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ABSTRACT
Land and forest damage occurred in Nagari Paninggahan causes critical land area of 2.700 Ha. In order to repair the damage to forests and land and increase productivity and restore its function as protection for Watershed (DAS) Batur lake, one of the activities is Voluntary Carbon Market (VCM). VCM project is an investment of financial resources, social, physical and material. As an investment there is always a benefit or advantage that is expected either directly or indirectly. So the aim of this research is to analyze the economic feasibility of the critical land management in Jorong Subarang Kenagarian Paninggahan, Sijunjung Sirih subdistrict, Solok District. The research method is descriptive method which uses the case study. From 2010-2015, the area of 31,65 ha has spent Rp 1.371.923.020. The economic calculation of VCM project indicated from the results of the economic analysis of VCM that is 31.65 hectares with a 5-year analysis period at the interest rate of 12%, the B / C Ratio of 1,02, with NPW of Rp 18.533.726 and EIRR of 12,05%. It is due to the calculation of the economic benefits of externalities are not fully assessed quantitatively. A sensitivity analysis shows that the VCM project is sensitive to some effects of the changes, such as the effect of the increase of dollar exchange rate, the rise of inflation and the high cost of maintenance of plants in areas of critical land. VCM project sensitivity level is 2%. Although it is sensitive to the effects of changes, VCM Project has a positive impact on the community and environment as (1) reduce the critical land, so as to prevent the occurrence of fires, the air absorption of CO2 impact on the environment and add DTA, (2) provides a training for using herbicides and (3) Increase employment opportunities. The results of this research could be used as information for farmers on the improvement of degraded land and for the government as a basis for policy making and extension for VCM project development in the local area.
Keywords: Critical Land, Project VCM (Voluntary Carbon Market), Economic Feasibility
DETERMINANT FACTORS DECISION FARMER HOUSEHOLDS DOING LAND TRANSFER FUNCTION RICE TO FISHERY IN THE VILLAGE OF LIMAN SARI DISTRICT OF EAST BUAY MADANG EAST OKU REGENCY CODE : K
Fifian1, Andy Mulyana2, Najib Asmani2 and Yunita2
1 The Student of Doctor Programe, Pascasarjana University of Sriwijaya, The Lecturer of Agribusiness Study Programe Agriculture Faculty of Baturaja University
2 The Lecturer of Agribusiness Study Programe, Agriculture Faculty of Sriwijaya
University Jln. Ratu Penghulu No. 02301 Karang Sari Baturaja
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ABSTRACT
Determinant Factors Decision Farmer Households Doing Land Transfer Function Rice to fishery in the village of Liman Sari District of East Buay Madang, East OKU Regency. This study aimed to analyze the factors that influence the farmer households in the conversion of wetland into fisheries and calculate how differences in income received by households of farmers from the conversion of paddy fields to fishery in the village of Liman Sari, District East Buay Madang, East OKU Regency. Research has been conducted in the month of January to May 2015. The location determination is done intentionally (purposive), from 28 villages in the district of East Buay Madang, with the consideration that in the village, the rice farmers do a lot of land conversion to fishery with catfish production of the highest and the largest land area between the rural- Other villages in the district East Buay Madang. The method used in this study is the case study method and sampling method used was disproportionate stratified random sampling. This method was taken because at every farm there are differences in the population, where the population is taken at 302 farmers comprised 261 rice farmers who did land conversion to fisheries and 41 farmers who do land conversion to fisheries. The data used is primary data obtained directly from the field using a questionaire as a data collector and secondary data is data obtained from agencies involved in this study. Data processing was performed using logistic regression model to determine the factors that influence the conversion by rice farmers and Wilcoxon analysis to determine differences in farm income of rice with fish. Based on the survey results revealed factors significantly influencing household farmers to land conversion of paddy to fisheries that income fish farmers (US$/ha/year), the number of family members and the amount of rice production (kg/ha) , The effect is not obvious is the level of education (year) and the age of the farmer (year). Having analyzed using the Wilcoxon sign test analysis can be of value in Zhitung = 5.012 <Ztabel = 21 where the farmer's decision showed reject Ho which means bigger fish revenue of Rp 75.439.619 per hectare per year from the income of paddy rice is Rp 41.788.765 per hectare per year.
Keywords: Decision Farmer Households, Land Transfer Function, Fishery.