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Penggunaan beluntas, vitamin C dan E terhadap performa itik jantan alabio dan cihateup

Meat consumption in Indonesia is not only provided from beef and chicken. Nowadays, the duck meat consumption tends to increase and leads the meat duck to become food stuff with a good prospect. Usually, duck meat is yielded from male or culled female which has poor meat quality. This research was run to study the use of beluntas leaves meal, vitamin C and E on the performance of local male ducks. The research used two male duck strains (Alabio and Cihateup). A complete randomized design was applied in this research with four treatments and three repetitions. The treatments were 1) KO (control); 2) commercial feed + beluntas leaves meal 0.5 percent (KB); 3) commercial feed + beluntas leaves meal 0.5 percent + vitamin C 250 mg/kg (KBC); 4) commercial feed + beluntas leaves meal 0.5 percent + vitamin E 400 IU/kg (KBE). The treatments KB, KBC and KBE showed no significant effect in feed intake, feed conversion, end body weight, body weight gain, slaughter weight, carcass percentage and commercial carcass cuts of Alabio duck. However, the treatment KBE revealed significant effect on end body weight, body weight gain and breast percentage compared to treatments KO, KB and KBC. The use of beluntas leave meal at level 0.5 percent resulted better feed conversion. The use of beluntas leaf meal at 0.5 percent + vitamin E in feed maintained good duck performances. (Jurnal Ilmu Produksi dan Teknologi Hasil Peternakan, v. 1(1) 2013 p. 42-46)

Changes In Soil N, P, K, Rice Growth And Yield Following The pplication Of Azolla Pinnata

Information on the effects of A. pinnata application on changes in nutrient availability and rice yield obtained from paddy fields of the South Lampung, Indonesia is still limited. A study was carried out to investigate the effects of different rates of A. pinnata (0; 2.5, 5.0, 7.5, and 10.0 t/ha) on changes in N, P, K concentrations in paddy soils, N uptake, rice growth and yield. The experiment was conducted on a well-irrigated paddy field that was incorporated with A. pinnata, and then rice seedlings of Ciherang variety had been grown on it from June up to December 2009. The results showed that the application of A. pinnata to the paddy rice fields affected the soil available P, plant height, tiller number, grain number per panicle, and grain yield. The addition of A. pinnata at the rate of 5.0 and 7.5 t/ha had higher rice yield compared with other treatments. The application of A. pinnata at the rate of 7.5 t/ha increased significantly soil available P, indicating that A. pinnata required a fairly high P to grow optimally. The application of A. pinnata at the rate of 7.5 t/ha gave also the highest dry grain yield, suggesting that the application of A. pinnata did not suppress the rice yield, even it might help to conserve fossil fuels and foreign exchange as well as allow more paddy fields that can be fertilized by N. Practically, the application rate of A. pinnata could range 4-8 t/ha, depending on the abundance of the material at the site. (Journal of Biology, Agriculture and Healthcare, V. 3(2)  2013 p. 112-117)

Germination capacity, growth and yield of three upland rice varieties increased following seed invigoration treatmens

One of the major causes of low productivity of upland rice in Indonesia is the use of low-quality seeds. Little information is available on the effects of seed invigoration treatments on seed germination of upland rice varieties. The information is necessary to identify appropriate technologies to improve upland rice seed germination capacity at farmers’ level. A study was carried out in the Makariki Experimental Station, Assessment Institute for Agricultural Technology of Maluku, Central Maluku from December 2010 up to May 2011, to determine the effects of seed invigoration treatments (GA3 and coconut water) and seed viability levels (60, 80, and 100%) of three upland rice varieties (Situ Patenggang, Limboto, and Batutegi) on the germination behavior, rice growth and yield. The results showed that the seed invigoration treatments employed affected seed germination of Situ Patenggang and Limboto upland rice varieties. Seed invigoration with young coconut water, 100 ppm GA3 or 100 ppm GA3 + young coconut water can be used as a pre-planting seed treatment to overcome the problem of low seed viability (the grain yields were 5.63 t/ha, 5.51 t/ha, and 5.98 t/ha, respectively). In addition, seedling establishment of Situ Patenggang and Limboto upland rice varieties with 6-10 seeds per planting hole can be used as an alternative to overcome the low seed viability. This treatment might give a high grain yield (up to 5.03 t/ha). (Internasional Research Journal of Agricultural Science and Soil Science, v. 3(2) 2013 p. 43-50)