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GROUND PREPARATION ‘CULTIVATION’. ‘CULTIVATION’ ‘.. Is the tilling of the soil and its vegetation or brash cover with implements to provide a favourable.

Published byMabel Gaines Modified over 9 years ago

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Presentation on theme: "GROUND PREPARATION ‘CULTIVATION’. ‘CULTIVATION’ ‘.. Is the tilling of the soil and its vegetation or brash cover with implements to provide a favourable."— Presentation transcript:

1 GROUND PREPARATION ‘CULTIVATION’

2 ‘CULTIVATION’ ‘.. Is the tilling of the soil and its vegetation or brash cover with implements to provide a favourable environment for efficient establishment and early uniform growth of plants or regeneration…….it includes treatments such as mounding, moling, ploughing, ripping, scarifying and subsoiling.’ Cultivation of soils for Forestry F.C. Bulletin 119

3 REASONS FOR CULTIVATION Improves conditions for tree growth by changing soil and site conditions Enables successful and cost effective establishment of young trees Suppresses weed growth Improves rooting Improve drainage and aeration To improve natural regeneration

4 What is actually done in the ground prep? Brash moved Brash moved Break up humus and mixing of soil horizons Break up humus and mixing of soil horizons Improving pore space Improving pore space Break up compaction Break up compaction Change soil and air temperature near soil surface Change soil and air temperature near soil surface Alter soil moisture conditions Alter soil moisture conditions

5 What effects on….. Soil temperature Soil temperature Air temperature (frosts) Air temperature (frosts) Soil moisture Soil moisture Soil moisture in dry soils Soil moisture in dry soils Soil density Soil density

6 Choice of ground prep. equipment Size of area Size of area Site conditions Site conditions Environmental constraints Environmental constraints Availability of machinery Availability of machinery Versatility of machinery Versatility of machinery Cost in relation to benefits Cost in relation to benefits

7 Site conditions Restocking site New planting

8 Site conditions Reclamation site

9 Cultivation Street trees

10 Ground clearance Burning Raking Stump harvesting Brash harvesting

11 Cultivation Deep ploughing

12 Cultivation

13 Cultivation

14 Cultivation Ripping (or sub-soiling)

15 Windrowing

16 Brash raking

17 Brash rake

18 Mulching

19 Scarifying

20 Patch Scarifying

21 Continuous mounding

22 Excavator Mounding

23 Trench Mounding

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