Proper management of rice cultivation through the use of superior varieties and the application of a planting system adapted to site-specific conditions are very important in increasing rice yields. The purpose of this study was to determine and obtain the appropriate planting system to increase rice yield of superior varieties. The experiment adopted a split plot arranged in a randomized complete block design with two mainplot (planting systems) and three subplot (rice varieties) replicated four times.
Shallots is one of the important commodities in Indonesia. Demand for these commodities always increases along with population growth. To fulfill this demand, the production of shallots must always be increased. One way to increase the production of shallots is by fertilizing. This study aims to determine the dosage of NPK fertilizer which gives the best results for the growth and yield of shallots. The study was carried out in Sentani District, Papua Province, from November 2016 until March 2017.The study used the Randomized Complete Block Design (RCBD) with three treatments NPK Phonska fertilization (NPK 15-15-15 composition) and four repplication. NPK fertilizer used were: 1) NPK 300 kg/ha, 2) 250 kg/ha, and 3) 200 kg/ha. The meterials used were shaloot bulbs Keta Monca cultivar. The plot size was 1 x 5 m, with a spacing of 15 x 15 cm. NPK fertilizer was given at the age of 14 and 30 days after planting respectively with the dose of ½. The variables observed were plant height, leaf number, bulbs number per sample, diameter of bulbs, dry weight bulb per hectare The results showed that the treatment of NPK fertilizer dosage did not give a significant effect on almost all observation variables except on the dry weight of eskip bulb, where the treatment dose of 200 kg/ha NPK fertilizer gave the highest yield compared to other treatments. When observed from the growth components and production components, the dose of NPK fertilizer 200 kg/ha is the most consistent to provide better growth and yield.
Most of the paddy rice farmers have not provided an appropriate response to the innovation of environmentally friendly rice management, because the ability or capacity owned by farmers has not been able to support the production of environmentally friendly and sustainable farming products. The capacity of farmers to manage environmentally friendly paddy rice is closely related to individual behavior towards technological innovations that are applied and disseminated. This study aims to determine the productivity of paddy rice with an environmentally friendly management approach. The research was conducted in Merauke Regency, Papua Province, from July to November 2018 during the gadu planting season (MT II). The design used was a factorial Randomized Block Design (RBD) with 4 child factors, each variety used was Bawor 9, Black Madras, M70, Sertani 8. The results showed that the treatment of four varieties differed on plant height, number of tillers , panicle length, weight 1000 Grains, harvest grain weight, grain dry grain weight, empty grain amount, rice grain amount and heavy stover. Keywords: Management, Paddy rice, Environmental friendly Sebagian besar petani padi sawah belum memberikan respon yang tepat atas inovasi pengelolaan sawah yang ramah lingkungan, karena kemampuan atau kapasitas yang dimiliki petani belum mampu mendukung dalam menghasilkan produk-produk usahatani yang ramah lingkungan dan berkelanjutan. Kapasitas petani dalam mengelola padi sawah ramah lingkungan berhubungan erat dengan perilaku individu terhadap inovasi teknologi yang diterapkan dan didesiminasikan. Penelitian ini bertujuan untuk mengetahui produktivitas padi sawah dengan pendekatan pengelolaan ramah lingkungan. Penelitian dilaksanakan di Kabupaten Merauke Provinsi Papua sejak bulan Juli sampai Nopember 2018 pada musim tanam gadu (MT II). Rancangan yang digunakan yaitu Rancangan Acak Kelompok (RAK) satu faktorial dengan 4 anak faktor, masing-masing varietas yang digunakan yaitu Bawor 9, Black Madras, M70, Sertani 8. Hasil penelitian menunjukan bahwa perlakuan empat varietas memberikan perbedaan terhadap tinggi tanaman, jumlah anakan, panjang malai, bobot 1000 butir, bobot gabah panen, bobot gabah kering giling, jumlah gabah hampa, jumlah gabah bernas dan berat brangkasan. Kata Kunci : Pengelolaan, Padi Sawah, Ramah Lingkungan
The study aims to evaluate the agronomical performance of new superior varieties of rice in irrigated fields cultivated through the Integrated Crop Management approach and the feasibility of the farming system. The research was carried out in Koya Barat, a region in District Muara Tami, Jayapura City, Papua Province in April-October 2019. The research used a single factor randomised block design with four new superior rice varieties as treatment afived 5 replications. The varieties were Inpari 36, Inpari 37, Inpari 43, and Ciherang. The data were analysed using analysis of variance (ANOVA) and followed by DMRT to determine the differences between treatments. The R/C ratio, marginal B/C analysis and the break-even point (BEP) were analysed to determine the economic feasibility. The results showed that the performance of each variety varied following their genetic traits. The highest rice production was obtained from Inpari 37 variety (6.86 t/ha), while Ciherang produced the lowest yield (4.34 t/ha). Inpari 37 and Inpari 43 provided higher profit compared to Ciherang and Inpari 36 with R/C values of 3.43 and 3.42, respectively. The highest market acceptance of Inpari 37 was valued at IDR 29,498,000 followed by Inpari 43 at Rp 29,412,000, then Ciherang at IDR 18,662,000 and lastly, the Inpari 36 at IDR 25,542,000. Economically, rice farming is feasible to be developed because it has an R/C ratio of> 1. The irrigated rice farming in Jayapura City is profitable with a rate of around 2.42 % of the total cost spent.
Program modeling in the application and determination of key actors in integrated cropland rice management and resource management for policy making is critical and strategic towards sustainable agriculture development. the objective of this research is to get key element actors in determining integrated crop management (PTT) of paddy rice for sustainable agriculture. As an indicator element interpretive structural modeling (ISM) in this research using 5 (five) Indicator element that is 1) Role of government, 2) Purpose, 3) Main obstacle, 4) Requirement of a program, 5) Institution involved. Results of interpretive structural modeling (ISM) analysis indicate that integrated rice plant cultivation to sustainable agriculture is the role of government in making strategic plan program hence need to follow by making technical instruction. Achieve the objective of applying integrated cropland rice management using high yielding varieties with high productivity and favored by farmers. The need for integrated cropland rice management needs to have proper fertilizer subsidies, seed subsidies, improved irrigation infrastructure and additional capital. The main constraint of integrated crop management is the uncertain climate change so pest disease is still high and at the time of planting season gadu water difficulty. While the institutions involved should be well synergized between the agricultural service and the institute for agricultural technology assessment. Policy direction in the strategic plan program needs a short, medium and long-term strategic plan by related institutions so that the youth will be evaluated according to the action stage.
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