American Journal of Agriculture and Forestry

Volume 7, Issue 6, November 2019

  • Studies into Potassium Management for Sugarcane Production in Northeast Thailand Based on Factory Juice Analysis Combined with Cultivation Experiment

    Kenta Watanabe, Chaiwat Ngasan, Samran Saensupo, Klanarong Sriroth

    Issue: Volume 7, Issue 6, November 2019
    Pages: 239-247
    Received: Aug. 29, 2019
    Accepted: Sep. 16, 2019
    Published: Sep. 26, 2019
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    Abstract: Potassium (K) is one of the essential nutrients for plants; nevertheless, it has been reported that overdoses of K fertilizer have resulted in impaired sugarcane juice quality and a reduction in the efficiency of sugar processing. Therefore, to maximize sugar production per unit area, K levels in sugarcane should be kept just adequate. The aim of t... Show More
  • Vegetative Propagation of Bombax costatum Pellegr. & Vuillet (Malvaceae) by Root Segments Cuttings: Effects of Mother Tree Diameter and Origin of Cuttings

    Oumarou Haman Zéphirin, Hamawa Yougouda, Tsobou Roger, Dangai Yohana, Binwe Jean Baptiste, Madi Amedi Damba Rodrigue, Abdoulaye Herbert, Wangbitching Jean De Dieu, Fawa Guidawa, Mapongmetsem Pierre Marie

    Issue: Volume 7, Issue 6, November 2019
    Pages: 248-258
    Received: Jun. 23, 2019
    Accepted: Aug. 06, 2019
    Published: Oct. 11, 2019
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    Abstract: B. costatum is a local species of great socio-economique importance whose flowers are consummed and commercialized in local and regional market. Despite its economical and social value in local communities, it is still in the wild stand in the Guinean Savannah Highlands of Cameroon. The objective of the study is to contribute to its domestication b... Show More
  • Woody Species Richness and Diversity Following Successional Stages at Jello-Muktar Dry Afromontane Forest, South-eastern Ethiopia

    Muktar Mohammed, Muktar Reshad, Alemayehu Beyene

    Issue: Volume 7, Issue 6, November 2019
    Pages: 259-269
    Received: Aug. 13, 2019
    Accepted: Aug. 29, 2019
    Published: Oct. 12, 2019
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    Abstract: The study was carried out at 8055’N-9005’N latitude and 40050’E-40051’E longitude, at Jello-Muktar dry Afromontane forest South eastern Ethiopia to analyze changes in species composition, diversity and species richness under three successional stages. Three sites were selected each with 10 sample plots from each succssional stage. The average dista... Show More
  • The Change of Characteristics and Antioxidant Activity of Cocoa Vinegar During Fermentation of Pulp Liquids by Adding Tape Yeast

    Gusti Putu Ganda-Putra, Ni Made Wartini

    Issue: Volume 7, Issue 6, November 2019
    Pages: 270-276
    Received: Oct. 02, 2019
    Accepted: Oct. 21, 2019
    Published: Oct. 25, 2019
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    Abstract: The pulp liquids as a by-product of cocoa beans fermentation is potential to be used as a raw material for making cocoa vinegar, but unfortunately the content of acetic acid is relatively low and there have been no studies related to antioxidant activities. The objectives of the present study were to examine the effect of addition of tape yeast and... Show More
  • The Valuation of Genetic Diversity in Tarchonanthus camphoratus Plant Using ISSR Markers in Taif, KSA

    Hatim Matouq Alyasi, Rahmah Nasser Alqthanin

    Issue: Volume 7, Issue 6, November 2019
    Pages: 277-281
    Received: Sep. 01, 2019
    Accepted: Oct. 05, 2019
    Published: Nov. 08, 2019
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    Abstract: Genetic variation among T. camphoratus individual plant samples collected from Taif region, Saudi Arabia was assessed using inter-simple sequence repeat (ISSR) markers. Eleven ISSR primers were used to evaluate T. camphoratus samples. The number of polymorphic bands per primer varied from 5 to 16, with 10.3 bands per primer on average. Nei’s geneti... Show More
  • Woody Species Diversity and Composition of Dry Woodland Vegetation in West Shewa, Central Ethiopia: Implications for Their Sustainable Management

    Gadisa Demie

    Issue: Volume 7, Issue 6, November 2019
    Pages: 282-289
    Received: Aug. 31, 2019
    Accepted: Oct. 04, 2019
    Published: Nov. 15, 2019
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    Abstract: The dry land forest of Ethiopia possesses diverse tree species that are known for their ecological and economic values. Despite growing recognition of environmental and economic benefits of these species, the woodland harbouring these species is degrading. Adequate knowledge on the resource base including the current status of its population is cru... Show More
  • Forest Vegetation Profile for Springs Preservation in Arjuna Mount, East Java-Indonesia

    Matheus Nugroho, Soemarno, Harsuko Riniwati, Aminudin Afandhi

    Issue: Volume 7, Issue 6, November 2019
    Pages: 290-296
    Received: Sep. 06, 2019
    Accepted: Nov. 05, 2019
    Published: Nov. 15, 2019
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    Abstract: The research objectives was to determine Arjuna mount forest vegetation profile for preservation of the area around the spring. The method used was descriptive method. While based on the techniques and tools used to research, the author uses the survey method to obtain facts that occur in the research area, namely in the area around the springs of ... Show More
  • Study on Performance of Bio-based Adhesive for Bonding Tree Leaves

    Yifu Yuan, Yan Sun, Muxuan Li, Yuhan Sun, Runan Zhang, Fang Sun, An Mao, Qi Li, Jiabin Zhang

    Issue: Volume 7, Issue 6, November 2019
    Pages: 297-303
    Received: Oct. 31, 2019
    Accepted: Nov. 20, 2019
    Published: Nov. 25, 2019
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    Abstract: The traditional disposable foam plastic tableware is made from polymer materials. It is not decomposable and could bring serious problem to environment after the tableware is disposed. In order to solve this problem, a new type of green tableware made fromnatural materials (such as tree leaves) is developed and investigated. To obtain a green table... Show More
  • Properties of Fiberboards Bonded by Decomposed Polyurethane Foams and Isocyanate

    Tongtong Cui, Yan Li, Yanfang Pang, Xiaosheng Liu, Huidong Su, An Mao, Qi Li, Yifu Yuan

    Issue: Volume 7, Issue 6, November 2019
    Pages: 315-320
    Received: Nov. 07, 2019
    Accepted: Nov. 22, 2019
    Published: Dec. 04, 2019
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    Abstract: The objective of this study was to investigate the feasibility of using recycled polyols as part of the binder system for wood panels (fiberboard). PU foam wastes from disposed insulation materials were collected, processed, and chemically decomposed by agent to obtain the recycled polyol. The recycled polyol was mixed with a commercial polyol at v... Show More
  • Ecological Characterization of Elaeis guineensis Jacq. Agroforestry Parklands in the Cacheu Region (Guinea Bissau)

    Boubacar Sagna, Daouda Ngom, Boubacar Camara, Antoine Sambou, Mamadou Abdoul Ader Diedhiou, Mamadou Goudiaby, Abdou Seydou Mane, Yvan Le Coq

    Issue: Volume 7, Issue 6, November 2019
    Pages: 321-329
    Received: Nov. 19, 2019
    Accepted: Dec. 05, 2019
    Published: Dec. 16, 2019
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    Abstract: Elaeis guineensis Jacq is a species of palm commonly called oil palm. It is a source of many products and services. It is used in agroforestry systems. The Elaeis guineensis Jacq parklands or palm groves occupy an important place in the livelihoods of the local population of Guinea Bissau especially in the region of Cacheu where important natural f... Show More