Báo cáo khoa học: "Effects of sylvicultural practices on nutrient status in a Pinus radiata plantation: Nutrient export by tree removal and nutrient dynamics in decomposing logging residues" ppt

... unprepared plots after clear-felling. Original article Effects of sylvicultural practices on nutrient status in a Pinus radiata plantation: Nutrient export by tree removal and nutrient dynamics in ... Lundmark-Thelin A. ,Johansson M.B., Influenceof me- chanical site preparation on decomposition and nutrient dyna- Effects of sylvicultural pra...

Ngày tải lên: 08/08/2014, 14:21

... air CO 2 ratio (C i /C a ) were measured with a portable infra- red gas analyser (LCA-4, ADC. Hoddesdon, England). Calculus of parameters was made according to Von Caemmerer and Farquhar (1981) and ... stomatal conductance and photosyntethic rate maintain high values at the end of the growing season, whatever those were in the hottest days in Summer [2]. In some way, Oria,...

Ngày tải lên: 08/08/2014, 14:21

... Mg 2+ ATPase activity. ATPase activity was first assayed by varying the concen- tration of Tm in the presence of constant concentration of F-actin and myosin S1. In this condition, Tm inh ibits the ATPase ... SKTM -A6 3V (5¢-GAC AAATACTCTGA AGTACTCAAAGATGCCCAG-3¢), SK TM-1R (5¢-CTGGGCATCTTTGAGTAC TTCAGAGTA TTGTC-3¢), SKTM-K70T (5¢-AAAGATGC ACAGGAG ACGCTGGAGCTGGCAGAG-3¢), SKTM-2R...

Ngày tải lên: 16/03/2014, 18:20

... mesothoracic imaginal wing discs isolated at the last larval instar of P. interpunctella lepidop- tera [25]. These imaginal cells respond to 20E at 10 )7 M by an arrest of cell proliferation and long-term ... numbers are givenontheleftandtheaminoacidnumbers on the r ight. Letters in the r ight margin des- ignate d omains. The DNA binding domain (C region) is underlined and the l...

Ngày tải lên: 23/03/2014, 13:20

... Korea) and filtered tap water ad libitum. After quarantine period, sixty rats with adequate weight gain and without clinical signs were divided by computerized and stratified randomization into six ... MO, USA) and admini- stered daily by oral gavages at around 10:00 AM during 35 to 44 days of age. The dose volume was 1.5 ml/kg B.W. The animals were sacrificed on the next day...

Ngày tải lên: 07/08/2014, 17:22

... sample us- ing a calibrated grid in 1999. A nested analysis of variance was applied to the study of specific leaf mass with year and treatment as main fac- tors and date nested within year. Anatomical ... epider- mis, palisade and spongy parenchyma, were measured using an eye piece micrometer. Epidermal acetate im- pressions [35] of abaxial surface of the leaves were made...

Ngày tải lên: 08/08/2014, 14:20

... rainfall, air humidity and wind) are immediately modified by canopy release and gap cre- ation [2]. High spatial and temporal variability in canopy clo- sure are the main characteristics of stands ... developed by Granier et al. [11]. The input data required by the model are: • Climatic data: daily potential evapotranspiration and daily rainfall. These data were collected at...

Ngày tải lên: 08/08/2014, 14:21

... of sustained subculture on apparent rejuvenation of the apple rootstock M.9 in vitro and in vivo C .A. Webster O.P. Jones Institute of Horticultural Research, East Malling, ... Malling, Maidstone, Kent, U.K. Introduction proliferation medium containing 2 mgll BAP Introduction Sequential subculture of fruit trees leads to a gradual physiologica...

Ngày tải lên: 09/08/2014, 02:21

... migration rate (data not shown). However, combination of OPN siRNA transfection and irradiation at 2 Gy resulted in a significant inhibition of migration. After incubation with Mix and 2 Gy irradiation, ... such as the NF-kB/IkBa/IKK pathway, PI3’-kinase/Akt pathway and the MAPK-dependent pathway are activated by the interaction between OPN and membrane receptors and take...

Ngày tải lên: 09/08/2014, 09:20

... clinicopathological parameters, including s-CEA and s-creatinine. Classification and regression tree (CRT) analysis was used to assess optimal cut-offs for t-TATI and s-TATI i n relation to OS. Kaplan-Meier ... age, and the concentrations of s-creatinine and carcinoembryonic antigen (s-CEA) in preoperatively drawn serum samples. Methods Patients Thestudywasdesignedasacase-cont...

Ngày tải lên: 09/08/2014, 09:21