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Journal : Bioplante

PENGARUH WAKTU PENYIANGAN TERHADAP PERTUMBUHAN DAN HASIL PADI (Oryza sativa L.) YANG DIBUDIDAYAKAN SECARA SRI (The System of Rice Intensification) (The Effect Of Weeding Time Toward The Growth of Paddy at System Of Rice Intensification) . Buhaira
Bioplantae Vol. 2 No. 2 (2013)
Publisher : Bioplantae

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This research aim is to find out the time of weeding for better growth and yield of rice cultivated which is used SRI method. Research was conducted on wet land located on Koto Panjang Ikur Koto (KPIK) village, Koto Tangah District, Padang City. Experiment was arranged in a randomized block design with nine times replication. Time of weeding comprised three levels, namely: a week before planting and a week after planting, one and three weeks after planting, and two and four weeks after planting. Variables observed were growth (number of tillers, leaf area index (LAI), averaged net assimilation rate (NAR), averaged crop growth rate (CGR), yield components (number of productive tillers, percentage of empty grain per tiller, filled grain weight per tiller, and 1000 seeds weight) and GKG (drygrain milled) yield per hectare. Data were analyzed using analysis of variance. Significant variables were then analyzed using Honest Significant Difference (HSD). Results showed that time of weeding had significant effect on growth and yield of rice cultivated using SRI method. Best growth and highest yield were obtained by weeding application in two and four weeks after planting.Key words: SRI, weed, weeding.
PERTUMBUHAN DAN HASIL JAGUNG MUDA (Baby Corn) PADA PERBEDAAN DOSIS KASCING (Growth and Yield of Baby Corn at Different Doses of Vermicompost ) . Buhaira; Elly Indraswari
Bioplantae Vol. 2 No. 3 (2013)
Publisher : Bioplantae

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The study aims to evaluate the effect of vermicompost doses on baby corn growth and yield. This experimentwere carried out in randomized block design (RBD) with 5 replicates. Each experiment included 5 treatments 0.0 tons ha-1, 6.0 ton ha-1, 12.0 ton ha-1, 18.0 ton ha-1, and 24.0 ton ha-1. During of study, were measured some of vegetative and reproductive characteristic such as shoot dry weight, number of cobs per plant, cob length, cob diameter and yield. Observational data were statistically analyzed with ANOVA followed Duncan's multiple range test (DNMRT). The results showed that there were significant differences between vermicompost doses and most of characteristics such as shoot dry weight, number of cobs, cob length, cob diameter and the baby corn yield. The highest baby corn yield was achived at dose 18 tons of vermicompost per hectare.   Key words : cobs, baby, corn, vermicompost.
PERTUMBUHAN DAN HASIL TANAMAN KEDELAI PADA KONDISI CEKAMAN AIR DAN PEMBERIAN MIKOKOMPOS (Growth and Yield of Soybean (Glycine max (L) Merril) Under Water Stress Conditions and Mycocompost Application) . Buhaira; Nerty Soverda; Ardiyaningsih Puji Lestari; Yudi Achnopa
Bioplantae Vol. 2 No. 3 (2013)
Publisher : Bioplantae

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Thi research was conducted to increase soybean tolerance to drought and soil fertility by applying compost and   arbuscular mycorhiza fungi. This system will create environmental friendly agriculture or agricultural system focusing on utilizing biological manure which can improve land productivity. Experiment was arranged in completely randomized design with two treatment factors and three replicated . First factor is type of compost, municipal waste compost , cow manure compost, chicken manure compost.. Second factor is doses of mycorhizal fungi,  without mycorhiza ,5 g /plant, 10 g/plant,15 g/plant and 20 g./plant.  The results showed that (1) there was significant interaction effect between compost and mycorrhizal fungi on growth and yield of soybean under water stress conditions, (2) plant height and root dry weight were significantly affected by different type of compost and mychorrhizal dose., (3) Different type of compost gave significant effect on number of branch and shoot dry weight, and (4) Applying different dose of mychorrhizal fungi would significantly affect number of pods and number of filled pods of soybean crop. Key word : Mycocompost, water,stress, manure