The following Technical Notes and Circular Letters have been published recently by the DANIDA Forest Seed Centre, Krogerupvej 3A, DK-3050 Humlebaek, Denmark. Earlier Circular Letters published were listed in FGRI No. 11 (p.58) and FGRI No.12 (p.26).
| TECHNICAL NOTES | |
| No.6 | Climbing into the crown by way of the bole,3. The use of spurs for tree climbing. By A.M.J. Robbins. October 1983. 12 pp. |
| No.7 | Climbing into the crown directly,1. The advanced line technique for gaining access to tree crowns. By A.M.J. Robbins. November 1983. 15 pp. |
| No.8 | Climbing into the crown directly,2. Ladders. By H.Barner and Kirsten Olesen. January 1984. 8 pp. |
| No.9 | Seed extraction,1. The tarpaulin method of sun drying pine cones and seed extraction. By A.M.J. Robbins. February 1984. 8 pp. |
| No.10 | Climbing within the crown,1. Equipment and safety rules. By H. Barner and Kirsten Olesen. March 1984. 10 pp. |
| No.11 | Climbing within the crown,2. Climbing using the Prussik knot. By Peter Ochsner. March 1984. 6 pp. |
| No.12 | Seed testing. A note on the Project Seed Laboratory 2000–5000 at Wageningen, The Netherlands. By H. Barner and K. Olesen. March 1984. 4 pp. |
| No.13 | Tools for harvesting tree fruits. By A.M.J. Robbins. April 1984. 14 pp. |
| No.14 | Provenance seed stands and provenance conservation stands. By R.L. Willan. May 1984. 42 pp. |
| No.15 | Evaluation of a series of teak and Gmelina provenance trial. By H. Keiding, E.B. Lauridsen and H. Wellendorf. June 1984. 42 pp. |
| No.16 | Seed collection units,1. Seed zones. By H. Barner and R.L. Willan (editors) (Identical to Circular Letter No. 19, May 1983). |
| No.17 | Seed extraction,2. Extraction of pine seed by means of sun drying on elevated trays followed by tumbling. By J. Granhof. August 1984. 8 pp. |
| No.18 | The use of small covered containers for germination testing. By A.M.J. Robbins. October 1984. 12 pp. |
| No. 19 | Seed crop evaluation. By H. Barner and K. Olesen. October 1984. 20 pp. |
| No.20 | Mechanical extraction and cleaning of Gmelina arborea nuts. By Sim Boon Liang and Wong Ching Yong. January 1985. 8 pp. |
| CIRCULAR LETTERS | |
| No.17 | Central American pine seed. April 1983. 2 pp. |
| No.18 | Report on activities in 1982. April 1983. 10 pp. |
| No.19 | Seed collection units: 1. Seed zones. May 1983. 36 pp. |
| No.20 | Distribution of forest seed from DANIDA Forest Seed Centre. October 1983. 16 pp. |
| No.21 | Notice about the availability of copies of “Provenance regions for Pinus caribaea and Pinus oocarpa within the Republic of Honduras”, by A.M.J. Robbins and C.E. Hughes. February 1984. 6 pp. |
| No.22 | Report on activities in 1983. April 1984. 6 pp. + 11 pp. of appendices. |
| No.23 | Seed catalogue for project on Seed Stands and Gene Conservation Stands and for Research. February 1985. 4 pp. + 28 pp. of appendices. |
OTHER PUBLICATIONS
DANIDA Forest Seed Centre 1981–86. A summary of the background, objectives and main activities of the Seed Centre. 8 pp.
