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Summary thesis in Chemistry: Study on some environmentally friendly polymer materials and application on preparing plant nursery
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Summary thesis in Chemistry: Study on some environmentally friendly polymer materials and application on preparing plant nursery
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The research using some advanced, environmentally friendly materials such as water-absorbing polymers and soil-binding polymers in potting medium is also a new direction to improve water retention. The study of manufacturing polybags with different degradation time combined with the use of SAP and PAM in substrates of pots to improve some features of the current nursery. | MINISTERY OF EDUCATION VIETNAM ACADEMY OF AND TRAINING SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY OF SCIENCE AND TECHNOLOGY ------------- NGUYEN THI THUC STUDY ON SOME ENVIRONMENTALLY FRIENDLY POLYMER MATERIALS AND APPLICATIONS ON PREPARING PLANT NURSERY Scientific Field Organic Chemistry Classification Code 944 01 14 DISSERTATION SUMMARY HA NOI - 2020 dissertation was completed at Institute of Chemistry Vietnam Academy of Science and Technology Scientific Supervisors 1. Dr. Trịnh Đức Công Institute of Chemistry - Vietnam Academy of Science and Technology 2. Prof. Dr. Nguyen Van Khoi Institute of Chemistry - Vietnam Academy of Science and Technology 1st Reviewer . . . 2nd Reviewer . . . 3rd Reviewer . . . The dissertation will be defended at Graduate University of Science And Technology Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Cau Giay District Ha Noi City. At . hour . date . month .2020 The dissertation can be found in National Library of Vietnam and the library of Graduate University of Science And Technology Vietnam Academy of Science and Technology. 1 INTRODUCTION 1. Background Nowadays waste polyethylene plastic PE has been posing serious environmental pollution problems and damaging ecosystems. PE usually does not decompose and therefore persists as waste in the environment for a very long time causing harm to human health. Due to the advantages of cost as well as simple processing method plastic films made from polyethylene PE are being used very popular in many fields such as packaging covering and processing create nursery nurseries in agriculture. In Vietnam plants nursery for fruit trees and forestry trees is increasing almost seedlings are grown in polybags. The nursery is a tree growing environment and contains the necessary nutrition to provide the plant with its first growth and development stage. The composition and characteristics of nursery pots play a decisive role in the quantity quality of seedlings and saves planting. .
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