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(1) There were no J. mandshurica; Larix olgensis and Fraxinus mandshurica in the updated and distribute in the main story, so they are recession species.

(2) METHODS:The HPLC fingerprints of Coumarins in Mandshurica Fraxinus from different place and harvested at different time were studied.

(3) Especially Fraxinus mandshurica is an important rare timber tree species in Northeast China.

(4) Fraxinus velutina Torr . and Sophora japonica Linn. are fine species utilized to afforest highways for their higher comprehensive adaptability, and their average survival rates are above 90%.

(5) The artificial regeneration of Fraxinus mandshurica in bare land was unsuccessful for its high death rate, serious frost and ill figure. Sentencedict.com

(6) RESULTS:The HPLC fingerprint profiles of Mandshurica Fraxinus contained 10 common peaks, which were of high resolution.

(7) Fraxinus mandshurica is one important tree specie for plantation in the northeastern forest region of China.

(8) Opening up effect belt in dahurian larch (Larix gmelini) plantation can significantly promote the growth and development of manchurian ash (Fraxinus mandshurica) natural regeneration seedlings.

(9) The germination percentage of Fraxinus chinensis seeds covered with sand are high.

(10) The authors studied the breeding technique of Fraxinus mandshurica seedlings in order to search after a set of practical way for breeding.

(11) Ash (fraxinus spp. ) wood sawn or chipped lengthwise, sliced or peeled, whether or not planed, sanded or end-jointed(sentencedict.com), of a thickness exceeding 6 mm.

(12) Artificial regeneration of Fraxinus mandshurica in forest range of Changbai Maintain was studied based on the survey and analysis of fixed plots in field contrast trial.

(13) OBJECTIVE:To establish the HPLC fingerprints for Mandshurica Fraxinus so as to provide basis for its identification and quality control.

(14) This paper discusses the tourism disturbance on Fraxinus mandshurica community in Baotianman Natural Reserve area in Neixiang County, Henan Province.

(15) The soil nutrient contents and soil enzyme activities of different soil layers at different seasons in pure and mixed stands of Robinia pseudoacacia and Fraxinus velutina were studied.

(16) There were no detailed studies on litter and forest floor of Populus davidiana and Fraxinus mandshurica in this region.

(17) The effects of light, agar and carbon sources on the growth of in vitro cultured root tips of Fraxinus mandshurica were studied.

(18) The release of winged - seed from Acer and Fraxinus species, can be encouraged by shakers.

(19) This paper describes the growth of artificial forest of Fraxinus mandshurica in the different site.

(20) The characteristics of vessel elements of secondary xylem in shoots of staminate and pistillate plants o Fraxinus pennsylvanica were studied by isolation method and micrography.

(21) The non-contact method and equipment for measuring drying stresses of wood were established and stresses of Fraxinus mandshurica tim- ber during drying were measured.