Results 271 to 280 of about 1,593,662 (297)

Biomass production and nutrient uptake of taro roots.

The Papua New Guinea Journal of Agriculture, Forestry and Fisheries
Information on biomass production and nutrient uptake of roots in tropical tuber crops is scarce. In this paper data are presented on nutrient uptake of taro roots (Colocasia esculentaj in relation to corm yield and above ground biomass on a Typic Tropofluvents in the humid lowlands- near Lae. Fertilized (100-50-100 kg NPK ha'1) and unfertilized plants
A.E. Hartemink, M. Johnston, P. John, W. Julius, A. Kerru   +4 more
openaire   +1 more source

[Distribution patterns of Fraxinus mandshurica root biomass, specific root length and root length density].

Ying yong sheng tai xue bao = The journal of applied ecology, 2006
Employing soil core method, an investigation in Maoershan Experiment Station was made on the root biomass, specific root length (SRL), and root length density (RLD) of Fraxinus mandshurica plantation (17 yr) within a growth season in stand level. The results showed that the total root biomass was 1,637 g x m(-2), in which, living biomass accounted for ...
Li, Mei, Zhengquan, Wang, Youzhi, Han, Jiacun, Gu, Xiangrong, Wang, Yunhuan, Cheng, Xiu-juan, Zhang   +6 more
openaire   +1 more source

[Changes of root biomass, root surface area, and root length density in a Populus cathayana plantation].

Ying yong sheng tai xue bao = The journal of applied ecology, 2012
By using soil core method, the biomass, surface area, and length density of roots < or =2 mm and 2-5 mm in diameter in a 50-year-old Populus cathayana plantation on the northern slope of Qinling Mountains were determined during growth season. Among the roots
Hui, Yan, Guang-quan, Liu, Hong-sheng, Li   +2 more
openaire   +1 more source

Fine Root Biomass, Turnover and Litter Production

2009
Fine roots are part of the regenerative system of trees. The annual renewal of fine roots can represent an important sink for assimilates in forest ecosystems (Agren et al. 1980). Estimates for the production of fine roots range between 5 and 70% of the total net primary production of trees (Santantonio 1990). Thus, fine root turnover may equal or even
D. Murach, A. Horn, W. Ke-Hong, C. Rapp
openaire   +1 more source

Biomass of Roots in Natural Oak-Hornbeam Ecosystem

1991
ABSTRACT The biomass, length, volume and surface area of roots were studied in an 80-year old oak-hornbeam forest ecosystem. The total root biomass was 78.85 t.ha -1 . The proportion of dead roots, without the biomass of stumps was 7.2%. The living roots including stump biomass amounted to 27.7% of the total biomass.
openaire   +1 more source

Root Biomass and Microbial Processes

2000
J Reeder, C Franks, D Milchunas
openaire   +1 more source

Biomass allometries and coarse root biomass distribution of mountain birch in southern Iceland

2014
Root systems are an important pool of biomass and carbon in forest ecosystems. However, most allometric studies on forest trees focus only on the aboveground components. When estimated, root biomass has most often been calculated by using a fixed conversion factor from aboveground biomass.
Hunziker, Matthias, Sigurdsson, Bjarni D., Halldorsson, Gudmundur, Schwanghart, Wolfgang, Kuhn, Nikolaus   +4 more
openaire   +1 more source

Root Biomass Distribution in Alpine Ecosystems of the Northern Tibetan Plateau

Environmental Earth Sciences, 2011
Yangjian Zhang, Zhenxi Shen, Jianshuang Wu   +2 more
exaly  

Root Biomass in Cereals, Catch Crops and Weeds Can Be Reliably Estimated Without Considering Aboveground Biomass

Agriculture, Ecosystems and Environment, 2018
Teng Hu, Xiaoxi Li, Ngonidzashe Chirinda
exaly  

Root Biomass, Root/Shoot Ratio, and Soil Water Content Under Perennial Grasses With Different Nitrogen Rates

Field Crops Research, 2017
Upendra M Sainju, Andrew Lenssen, Rajan Ghimire   +2 more
exaly