THE EFFECT OF PLANTING DENSITY IN CROWN PROJECTION AREA FOR YOUNG POPULUS NIGRA L. STANDS

Authors

  • Mohammed Asim Saeed University of Mosul College of Agriculture and Forestry - Forestry Department
  • Ammar Jasim Mohammed University of Mosul College of Agriculture and Forestry - Forestry Department
  • Mahdi Hadi Mohsen University of Kirkuk College of Agriculture - Forestry Department

Keywords:

primary density, coronary coverage, Populus nigra

Abstract

The study aimed to know the effect of the difference in the initial density of a forestation on the coronary coverage area. One-year-old black gouache seedlings were planted with four densities (5000, 1666, 833, 416) trees/ha. The results showed that the cultivation of high densities gave a crown coverage area much larger than that given by low densities, at the ages of (2 and 3) years. It reached (3093.75 and 4104.58) m2/hectare at the ages of (2 and 3) years, respectively, for density (5000) trees/hectare, while it was (81.25) m2/hectare at both ages at the shoulder blades (416) trees/hectare. This value does not mean that no growth will occur, but rather the reason is that some trees perish, as the forest is a biological system that is affected by the external factors surrounding it. The values were calculated in two cases, namely, without and with dead trees. The percentage of the coronal coverage area for the four densities was also found.The reason for this result is that the high density of cultivation in the early stages of life works to maintain soil moisture, reduce evaporation and make better use of nutrients.

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Published

2022-04-03

How to Cite

Mohammed Asim Saeed, Ammar Jasim Mohammed, & Mahdi Hadi Mohsen. (2022). THE EFFECT OF PLANTING DENSITY IN CROWN PROJECTION AREA FOR YOUNG POPULUS NIGRA L. STANDS. British Journal of Global Ecology and Sustainable Development, 3, 9–17. Retrieved from http://journalzone.org/index.php/bjgesd/article/view/36

Issue

Vol. 3 (2022)

Section

Articles

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