| 41. | Seasonal fluctuations of bacterial population and microbial activity in soils cultivated with Eucalyptus and Pinus.
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| 42. | Up to grows Scots pine ( Pinus sylvestris ) and black pine ( Pinus nigra ).
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| 43. | Up to grows Scots pine ( Pinus sylvestris ) and black pine ( Pinus nigra ).
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| 44. | Distinguishing whitebark pine ( " Pinus albicaulis " ), from the related cones.
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| 45. | In some older texts the name is spelled " " Pinus tabulaeformis " ".
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| 46. | Pollen from Pinus, Betula, Alnus, Rosaceae, Cyperaceae and Artemisia have been found.
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| 47. | Pinus greggi in Zimbabwe and Bolivia.
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| 48. | Exotic hosts include Pinus radiata and other Pinus species, Pseudotsuga menziesii, Larix and Eucalyptus.
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| 49. | Exotic hosts include Pinus radiata and other Pinus species, Pseudotsuga menziesii, Larix and Eucalyptus.
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| 50. | It has been demonstrated that development of the rust fungus is closely synchronized with Pinus Sylvestris.
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