Changes of Soil Physical and Chemical Properties in Aonla (Phyllanthus emblica L.) based Multistoried Agroforestry System

DOI IR (HANDLE) Open Access
  • MIAH Md. Main Uddin
    Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University
  • UDDIN Md. Helal
    Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University
  • MIAH Md. Giashuddin
    Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University
  • RAHMAN Md. Mizanur
    Department of Soil Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University
  • AHMED Minhaz
    Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University
  • MATSUMOTO Masaru
    Institute of Tropical Agriculture, Kyushu University

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Description

A field experiment was conducted in single factor randomized complete block design, where treatments were open field (T_1), aonla (T_2), carambola (T_3), lemon (T4), aonla + carambola (T_5), aonla + lemon (T_6) and aonla + carambola + lemon (T_7) to assess the soil physical and chemical properties in aonla based multistoried agroforestry system. From this study, it was observed that aonla + carambola + lemon combined treatment showed highest improvement in physical properties of soil i.e., soil moisture content, bulk density, particle density, and porosity which was followed by aonla + carambola and aonla + lemon combined treatment. On the other hand, T_7 showed concentrations of nitrogen, organic carbon, phosphorus, magnesium, potassium, calcium, boron, sulphur, iron, manganese, zinc and copper followed by other treatments except soil pH and decreased with the soil depths. Due to the presence of highest amount of organic matter with the carbonic acid production during root respiration the pH becomes lower in T_7 treatment. The soil physico–chemical properties of single strata treatment i.e., aonla, carambola and lemon–based treatments did not show much improvement as triple and double strata agroforestry system. Multistoried agroforestry system provides more biomass by harvesting maximum photosynthetically active radiation from different strata. Here, T7 treatment utilize maximum above and below ground resources for maximum biomass production which also helps to incorporate organic carbon content in soil. As a result, aonla + carambola + lemon based multistoried agroforestry system can provide improve and healthy soil environment for better production.

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