Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot

... on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga Fyodor TATARINOV a, b,c *, Yury BOCHKAREV d , Alexander OLTCHEV a, e , Nadezhda ... Stand seasonal growth pattern in 2000 Seasonal increment of basal area in spruce represented over 80% of the entire stand basal area increment (a...

Ngày tải lên: 08/08/2014, 00:22

... Correlation between RWC and leaf water potential (twenty days after planting) in radiata pine seedlings. Data were pooled through all storage conditions and post-planting watering regime. 696 A. ... provoked a decrease in seedling health and an increase of electrolyte leak- age, indicating membrane damage [29]. At the same time, pho- tosynthesis was reduced as a consequen...

Ngày tải lên: 08/08/2014, 01:22

... limit the effect Discussion and Conclusion The examination of variations in the K+ content under water stress showed that the potassium amount per root remained constant for ... Effect of water stress on potassium distribution in young seedlings of maritime pine (Pinus pinaster Ait.) A. Nguyen 1 A. Lamant 2 1 INRA, Laboratoire dAm6liora...

Ngày tải lên: 09/08/2014, 04:20

... dealing with the ra - tionalization of young spruce stand tending (A  1977). One part of this series, Machov CZ 14 experi- Effect of stand segmentation on growth and development of Norway spruce ... position in all investigated vari- ants of the trial (average of a row), i.e. by a distance from the track. – According to the recommended values of h/...

Ngày tải lên: 07/08/2014, 03:22

... terminated after ca five months when germination ceased. Germination capacity (GC) and MGT were calculated as the mean of eight rep- lications plus or minus the standard error. Mean germination ... beechnuts treated with tap water no sig- nificant increase in mean germination capac- ity was detected after applying ethephon or GA 3 to dormant seeds. Conversely, the ethephon and...

Ngày tải lên: 07/08/2014, 10:21

... October of the previous year and especially in May and July of the actual year is significant. According to negative parameters mainly in July and August of the previous year we can state that the ... obvious from Table 4 that only precipitation in August of the pre- vious year and July of the actual year is significant for all stands. In other cases...

Ngày tải lên: 07/08/2014, 10:21

... technolo- gies, in this case the adequate size of plants to be put into containers (D et al. 1987). A comparison of the growth of containerized and bare-rooted plants indicates that the growth of small ... + 2) in spring 1994, the other part of the variants “small” and “medium” was put into containers (Jiffy pots) and set out onto the same resear...

Ngày tải lên: 07/08/2014, 10:21

... irrigation after transplanting. 2.6. Plant water potential and relative water content Predawn relative water content (RWC) and leaf water potential (Ψ w ) were measured at the end of preconditioning ... leaf area would imply an effec- tive way to limit water loss, and the greater allocation to roots would inevitably improve water uptake, allowing a more fa- vorable pl...

Ngày tải lên: 07/08/2014, 16:20

... Eucalyptus species are native to Australia, Indonesia, Papua New Guinea and Phil- ippines [14] and they belong to the Myrtaceae family. This can explain the adaptation of insects that feeds on ... associated with a Eucalyptus grandis plantation in the Municipality of Nova Era, State of Minas Gerais, Brazil from August 1991 to July 1996 and to obtain data on the p...

Ngày tải lên: 08/08/2014, 00:21

... north-east. 2.2. Observation on the PPM defoliation The feeding of larvae was found to take place much more in April and May rather than other months in the study area. And then, trees foliated themselves, ... population of Calosoma sycophanta and Phryxe cau- data considerably increased. 2.3. Determination of annual diameter increment The measurements of the...

Ngày tải lên: 08/08/2014, 00:21