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Tita Rustiati
Balai Besar Penelitian Tanaman Padi, Jl. Raya 9, Sukamandi, Subang, Jawa Barat

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Optimasi Produksi Padi di Lahan Rawa Pasang Surut

Agrotrop: Journal on Agriculture Science Vol 4, No 1 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Optimization of Rice Production in Tidal Swampland.The study aimed to obtain the optimumtechnology of tidal swamplands for rice farming sustainability, acquired some adaptive cultivars in tidalswamplands, assessed the effect of land salinity to support rice Planting Index. The experiment wasconducted inTelangrejo tidal land, South Sumatra from February to November 2011. The study wasconducted with a split plot design with three replications. As Main plot were Amelioration and fertilization( M ) ; M1. Cultivation techniques used by farmers, M2. No-tillage ( TOT ) with inputs (lime wash + 3t / ha + fertilizer ), M3. Minimum tillage with input ( leaching + lime 3 t / ha + husk 3 t / ha + ZnSO4 +fertilizer ). Sub Plot were rice varieties (V); V1. Sintanur, V2. Inpara 1, V3. Inpara 2, V4. Inpara 4,V5. Inpara 5. Observations were made: 1 ) Plants growing, 2 ) grain yield and yield components.Multiple regression analysis showed that there were highly significant component effect on grain yield;the amount of total grain , the grain emptiness, and the weight of filled grains of 1000, where these threeoutcome components were also influenced by the treatment given of Amelioration. Some of varietieswere tested have different yields. The highest grain yield was Inpara 4 of 3.42 t / ha, followed by Inpara2 of 2.89 t/ha, while Inpari 1 showed a higher response for tidal land improvements, there weredifferences in responses between varieties. Although that was not statistically significant, the Ameliorationwas affect to the growth of rice, but the provision of husk and the addition of ZnSO4 were not affect tothe tidal rice in Tegalrejo.

Pengaruh Perbedaan Waktu Tanam Tetua Padi Hibrida dan Aplikasi Zat Pengatur Tumbuh terhadap Hasil Benih F1 HIPA 8

Agrotrop: Journal on Agriculture Science Vol 3, No 2 (2013)
Publisher : Agrotrop: Journal on Agriculture Science

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The Effects of Planting Time of TheParental Hybrid Rice and Plant Growth RegulatorApplication on Seed Yield of F1 HIPA 8.Research the effect of planting time of parental lines andapplication of plant growth regulators (GA3and glysine) on seed yield of F1 hybrid rice had beenconducted at The Indonesian Centre of Rice Research on 2010. The objective of the study was to findout combination of plating time and application of plant growth regualtors to get high seed yield ofhybrid rice. Seeds of parental lines Hipa 8 were planting in row ratio 2R:8A at Cilandak, Indramayu onthe dry season of 2010. Treatments to improve seed yield of hybrid rice consisted of (a) planting timeof parental lines (CMS and R), and (b) application of plant growth regualators (GA3 CG1 (commercialgrade) 60 ppm, GA3 CG2 94 ppm, Glysine 40 ppm and control (untreated). Plant growth regualatorwere applied at three times i.e. heading time, 5% plant flowering and 20% plant flowering. Variableevaluated consisted of: plant growth, yield component and seed yield. Result of the exeperiment showedthat tiller number per hill and plant height at vegetatif stage were not affected by treatments. TreatmentA1B2 and A2B2 significantly improved panicle exercition, plant height of restorer and also seed yield.Rice plant treated with A1B2 (planting times of restorer were 12, 15, and 18 days after CMS andapllication GA3 CG1 60 ppm) showed the highest seed yield, followed by A2B2 (planting times ofrestorer were 13, 17 and 21 days after CMS and application of GA3 CG1 60 ppm).

Uji Efektivitas Pupuk Majemuk NPK yang Ditambah Asam Humat terhadap Pertumbuhan dan Produksi Tanaman Padi

Agrotrop: Journal on Agriculture Science Vol 3, No 2 (2013)
Publisher : Agrotrop: Journal on Agriculture Science

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Abstract

Study on The Effectivityof NPK Compound FertilizerAdded withHumic Acid for Growthand Pruductionof Rice.It is important to improve the efficiency of fertilizers especially nitrogen (N)for lowland rice cultivation, since the efficiencyof broadcasted N was ony in the range of 30–40%,while P fertilizer 20–30% and K fertilizer 30–40%. Humic products have been used for years inproduction agriculture with varying results to improve plant growth and yield, as well as increasingfertilizer efficiency.Field experiment has been conducted at Experimental Farm of Rice Research InstituteinSukamandi to evaluate the effectivity of humic acid addition to NPK compound fertilizer on lowlandrice. Five doses (200, 250, 300, 350, and 400 kg/ha) of compound fertilizers NPK-1 and NPK-2(NPK+humic acid), together with control and local recomended fertilizer were tested in this experiment.Twelve treatments with 4 replications were arranged in Completely Randomized Block Design.Resultsof experiment showed that in general compound NPK fertilizer did not give better result if humic acidwas added; the effectivity of NPK compound fertilizer was not affected by the addition of humic acid.Humic acid tended to increase N use efficiency at higher level of fertilizer. It was suggested that withhigher level of humic acid theeffect would be more significant.

Pengaruh Faktor Meteorologi terhadap Penerbangan Hama Padi Tertangkap pada Lampu Perangkap Merkuri dan CFL

Agrotrop: Journal on Agriculture Science Vol 5, No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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The influence of meteorological factors on the rice pests flight that catched in the lighttraps of mercury lamp and CFL. Research was carried out in the 2013 at the experimentalgarden of Sukamandi, Indonesian Center for Rice Research (ICRR). Pests were catched in thelight traps of mercury lamp ML 160 watt and CFL 20 watt, while the meteorological data wascollected from a meteorological cage closed 200 m of the light trap. The objectives of thisresearch was to analyze the influence of meteorological factors on the pests flights as basicllyfor early warning system, forecasting and pests dispersal. The results showed that themeteorological factors such as evaporation, wind velocity, light intensity, air temperature,relative humidity, rainfall, and soil temperature at 0 cm were correlated one to anothers. Themeteorological factors had insignificant effect to pests flight of rice yellow stem borer, ricepink stem borer, rice black bug, and brown planthopper that catched in the lihgt trap ofmercury lamp and CFL. Evaporation and soil temperature at 0 cm had significant positiveinfluence while relative humidity had significant negative influence on the flight of leaf folderthat catched in the lihgt trap of mercury lamp. In the lihgt trap of CFL bulbs, the flight of leaffolder had significant positive influenced by air temperature and soil temperature at 0 cm,while had significant negative influenced by relative humidity and rainfall.