There is widespread use of poplar in pulp and paper, match splints, pencil and plywood industries, in northern India. [2] The practice of closer spacing geometry with compact block in poplar cultivation does not permit intercropping from the third year onwards, which discourages small landholders.
Original Source [3]
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/doubling-farmers%E2%80%99-income-through-populus-deltoides-based-agroforestry-systems
[2] http://www.indiaenvironmentportal.org.in/files/file/Populus-deltoides-agro-forestry.pdf
[3] https://www.currentscience.ac.in/Volumes/117/02/0219.pdf
[4] http://admin.indiaenvironmentportal.org.in/category/author/s-b-chavan
[5] http://admin.indiaenvironmentportal.org.in/category/author/r-s-dhillon
[6] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agroforestry
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poplar
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/intercrop-systems
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agricultural-research
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india