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159 results for “R-Trees”
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Research ArticleOpen accessIn the abstractEssential Oils from The Dropped Flowers of Camellia japonica: Extraction Optimization, Chemical Profile and Antibacterial PropertyYunqi Kong, Gaochao Wang, Xinyu Wang et al.Camellia japonica is one of the most economically valuable species that can be taxonomically placed in the Theaceae family. Many horticultural varieties of C. japonica have been cultivated as ornamental trees worldwide, owing to their charming flowers. However, young C. japonica flowers usually drop in a “decapitated” form during the peak flowering stage, causing a resource waste. In this study, … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 1 · 27 Jan 2021 · 6,991 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiological Peculiarities of Archips rosana, the Insect Pest of the Sievers Apple Tree (Malus sieversii) in the Trans-Ili Alatau Ridge (the North Tien Shan)Gulzhanat Tanabekova, Roman Jashenko, Zhaozhi LuThe article provides new information on the phenology of a serious insect pest, the species of Archips rosana (Linnaeus, 1758) (Lepidoptera: Tortricidae), rendering fundamental harm to the Sievers apple trees, native to the Trans-Ili Alatau region (the North Tian Shan), which was not previously covered by studies. Material for research was obtained by the authors during two field seasons 2018-2019 … …OnLine Journal of Biological Sciences, Vol. 20, Issue 4 · 23 Nov 2020 · 6,553 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetection of Soil Total Nitrogen, Phosphorus and Potassium Content Based on the Spectral Information of Citrus CanopyLin Yunshuo, Li Zhen, Lv Shilei et al.The content of total nitrogen, phosphorus and potassium in the soil is an important basis for calculating the best fertilization amount and realizing the reasonable fertilization of the orange planting soil in time and accurately. In this research, hyper-spectral technology is applied to detect the three soil nutrient elements in the cultivated soil of citrus trees. Four spectral bands with … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 2 · 17 Apr 2020 · 7,810 accessesView PDFCite
Research ArticleOpen accessIn the abstractMaize and Cashew Farming in the Face of Climate Change Variability in the Transitional Zone of Ghana: A Case Study of Nkoranza South MunicipalityVictor Adjei, Louis Kwantwi BoafoThe main aim of the study was to find out reasons behind the widespread conversion of maize farmlands to the production of cashew by most of the farmers in the transition zone of Ghana. The nature of the study necessitated the use of both primary and secondary data to achieve the objectives. Qualitative and quantitative approaches were used for the … …American Journal of Environmental Sciences, Vol. 15, Issue 3 · 31 May 2019 · 8,503 accessesView PDFCite
Research ArticleOpen accessIn the abstractHighly-Available, Collaborative, Trainable Communication – a Policy – Neutral ApproachChristian Schreibaumer, Isabella Stein, Eberhard DobermannScalable theory have led to many advances. Data flow is constantly growing and systems are expanding. Theoretical principles of red-black trees can help to build a scalable system, where data easily can expand and in the end energy is saved. We propose a novel solution, an organizational platform, an algorithm for the analysis of agents, which we call Mop. With … …Journal of Computer Science, Vol. 14, Issue 6 · 5 Apr 2018 · 9,778 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Cocoa Pod Husk Compost Produced Using Rot Fungi on the Growth of Cocoa SeedlingsLaode Asrul, Iradhatullah Rahim, Tutik Kuswinanti et al.Rot fungi have the ability to decompose organic materials into simple compounds or elements as nutrients for plants. In the process, rot fungi produce secondary metabolites and absorb phosphate from their substrates so that the phosphate become available to plants. The purpose of this study was to identify the species of rot fungi isolated from decaying cocoa stems and to … …OnLine Journal of Biological Sciences, Vol. 18, Issue 1 · 3 Feb 2018 · 8,502 accessesView PDFCite
Research ArticleOpen accessIn the abstractSeparation and Identification of Two Fungal Strains in Stored MaizeXiaoyu Yue, Lynne McLandsborough, Jian Zou, Xueqin GaoThe microbiological spoilage of stored grain is important for human health and economic loss. Two major predominant grain spoilage fungi (M15 and M16) were isolated from maize from a granary in China. Morphological observation of the fungal isolates, analysis of their ITS sequences and construction of their phylogenetic trees were conducted on these two strains, which were identified as Fusarium … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 3 · 3 Aug 2017 · 7,335 accessesView PDFCite
Review ArticleOpen accessIn the abstractBotany, Ecology and Diversity of Acacia Koa in the Hawaiian IslandsKazue Lee Ishihara, Maia Corpuz, Clifford Wayne Morden, Dulal BorthakurAcacia koa (koa) is a valuable leguminous timber-wood tree endemic to the Hawaiian Islands. Over the past century, conversion of some native forests for agriculture and ranching, uncontrolled spread of invasive plant species and outbreak of a deadly fungal wilt disease severely reduced A. koa forests. However, recently there has been a growing interest in re-establishing A. koa as an … …American Journal of Agricultural and Biological Sciences, Vol. 12, Issue 2 · 21 Jun 2017 · 9,012 accessesView PDFCite
Research ArticleOpen accessIn the abstractSurvivorship and Growth Performance of Shorea macrophylla (de Vriese) after Enrichment Planting for Reforestation Purpose at Sarawak, MalaysiaMugunthan Perumal, Mohd Effendi Wasli, Ho Soo Ying et al.Reforestation may offer one means of mitigating the processes of forest land degradation and is indispensable in an effort to conserve forest biological diversity in the tropics. Thus, a preliminary assessment was conducted in order to evaluate the survivorship and growth performance of Shorea macrophylla (de Vriese) after enrichment planting for reforestation purpose in Sarawak, Malaysia. This study was conducted … …OnLine Journal of Biological Sciences, Vol. 17, Issue 1 · 16 Mar 2017 · 9,207 accessesView PDFCite
Research ArticleOpen accessIn the abstractProposed Soil Quality Index for Rehabilitated Tropical Forest Sites in MalaysiaDaljit Singh Karam, Arifin Abdu, Keeren Sundara Rajoo et al.A proposed soil quality index named Tropical Soil Quality Index 2 (TSQI2) was developed in this study using statistical analysed data of selected properties (physical, chemical and biological) of composite soil samples collected from natural, secondary and rehabilitated forests of Chikus and Tapah Hill Forest Reserves, Perak, Malaysia. Results of soil evaluation using TSQI2 showed higher values for planted forest … …American Journal of Applied Sciences, Vol. 14, Issue 1 · 30 Dec 2016 · 8,156 accessesView PDFCite