Báo cáo lâm nghiệp: "Effects of soil temperature on gas exchange and morphological structure of shoot and root in 1 yr old Scots pine (Pinus sylvestris L ) seedlings" pot

... birch plants (Betula pendula Roth) into containers (10 -litre volume) with a soil substrate from the Cambic mineral horizon of forest soil. Soil properties were modified adding 1 l peat to a plant. ... of feeding in a laboratory rearing (0.95 reliability intervals)Fig. 10 . Mean consumption of food by males of Phyllobius arborator after 6 days of feeding in a laboratory rearing (0.95 reliability ... consumption of food in the creation of a fat body in females of Lochmaea caprae (L. ) Differences of imagoes in the consumption of food in particular variants cannot be confronted with findings...

... determined. Values of exchangeable pH were always lower than those of actual pH. e ex-changeable and actual reactions of soil (Figs. 3 and 4) decreased from L to H in all stands. e lowest values ... about 10 % (K 19 9 7). As for the division of soils according to the values of soil reaction into particular buffer zones, soil under the broadleaved stand falls to the exchangeable zone. ... 11 9 12 6 soil. Consequently, mineral nutrients are accessible only to a limited extent and a risk of uncontrollable washing out the organic colloids increases (U 19 8 3). In the beech stand,...

... thenutrient cycles in upper soil horizons is particularly important in the nutrition of woodlands growing on soils of low nutrientstatus [10 ]. To find out if hazel influences soil quality in sloping oakstands ... microbial activity and carbon mineralisation (Cmin ) in the topsoil of the investigation sites Mono1, Mix1, Mono2 and Mix2(Mono = oak monoculture; Mix = oak-hazel; 1 = 25–27°, 2 = 13 14 ). Presented ... 11 .0.Table I. Selected soil properties of the investigation sites Mono1, Mix1, Mono2 and Mix2 (Mono = oak monoculture; Mix = oak-hazel; 1 =25–27°, 2 = 13 14 ). For soil physical, chemical and...

... Official methods of analysis of the Association of Official Analytic Chemists, Sidney W. (Ed .), AOAC, Inc. Arling-ton VA, 19 84.Nursery production of containerised P. pinea 819 (1. 8 g L 1 ) ... spores of the five fun-gal species plus non-inoculated control plants. One-month -old seedlings were inoculated with 10 mL of the targetspore suspension of the corresponding fungus. The final inoculumconcentration ... (Bull .) Pers. were collected in bare -root nurseries and mixed forests of P. pinea in different locations of Cata-lonia (Spain). Sporocarps of Melanogaster ambiguus (Vittad .) Tul &C. Tul,...

... 11 , 23] have underlined the importance of climatic conditions operating on the tree seedlings during thefirst year of planting on the land. Fernández et al. [13 ] indicateas well that environmental ... were allocatedto every one of the following situations: exposure in sidehills (three in sunny slopes and three in shady slopes) and type of site preparation(three on normal banks and three on ... semiarid environment, Soil Sci.Soc. Am. J. 61 (19 9 7) 11 16 11 21. [6] Castillo V., Querejeta J.I., Albaladejo J., Disponibilidad hídrica enrepoblaciones de Pinus halepensis Mill. en medios semiáridos:efectos...

... total percentage of stands up to 14 0 years old was equal in both countries, older stands in Poland com-prised three additional age classes, but in Slovakia there wasonly one additional age class. ... nearlyequal in Polish and Slovak areas and highly correlated (Spear-man rank correlation r = 0. 91, p < 0.0 0 1) , especially during theculmination phase (19 94 19 9 7). Even if the progradationphase ... in 19 90 (dry) and 19 91 (moist),but after 19 91 drought conditions (30–45% below the long-term average) occurred until 19 95 at all altitudes. In 19 92 and 19 94 mean temperatures were 1 3 °C higher...