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Pinus sylvestris in Nisula roll sown March 1969 and transplanted 1970 at Haapastensyrja

Pinus sylvestris sown March 1969 and transplanted
into Nisula beds 1970 at Haapastensyrja.

PIa was sown May 9/70 in peat which later will be lifted and stored at -5 C in fall (Sept./70). Initially stored at a temporary plastic house in Haapastensyrja

PIa was sown May 9/70 in peat which later will be lifted and
stored at -5 C in fall (Sept./70). Initially planted in a temporary plastic house in Haapastensyrja.

PIa sown May/70 in plastic house at Haapastensyrja

The image shows grafts used for tree breeding in Haapastensyrja

Pinus sylvestris in Nisula Roll located at Haapastensyrja

Niels Kreiberg standing next to 5 yr Populus tremula × Populus tremuloides in Haapastensyrja

Rooted cuttings of PIa in heated peat at Haapastensyrja

Hahn harvester, Liverpool, Bowaters Mersey