Results 31 to 40 of about 6,364,459 (228)
Tropical tree height and crown allometries for the Barro Colorado Nature Monument, Panama: a comparison of alternative hierarchical models incorporating interspecific variation in relation to life history traits [PDF]
Biogeosciences, 2019 Tree allometric relationships are widely employed for estimating forest biomass and production and are basic building blocks of dynamic vegetation models.
I. Martínez Cano +5 more
doaj +1 more source
Biotechnologie, Agronomie, Société et Environnement, 2021 Description of the subject. Pericopsis elata (Fabaceae) is a long-lived light-demanding tree from African rain forests that produces timber of high economic value.
Crispin Ilunga-Mulala +7 more
doaj +1 more source
Semina: Ciências Agrárias, 2016 Forestry researchers often evaluate minicutting vegetative propagation of Australian cedar (Toona ciliata) as a viable technique for this species. However, the adoption of minigarden systems for commercial propagation still requires viability and quality
Mírian Peixoto Soares da Silva +6 more
doaj +1 more source
Collection and investigation of native and non-native poplar in northern Khorasan- Bojnord [PDF]
تحقیقات جنگل و صنوبر ایران, 2002 Limitation Natural Forest in the world and incressing of needs to wood production , result have had most attention to poplars. With attention to species various of poplars, it is disterbuted in different climatic condition of Iran.in the north Кhorasan ...
Ali Bozorgmehr +3 more
doaj +1 more source
Morphophysiological changes of Acca sellowiana (Myrtaceae: Myrtoideae) saplings under shade gradient [PDF]
Brazilian Journal of Biology, 2022 Understanding morphological and physiological changes under different light conditions in native fruit species in juveniles’ stage is important, as it indicate the appropriate environment to achieve vigorous saplings.
L. R. Silva +10 more
doaj +1 more source
Categorization of Plant Sapling using Deep Learning
International Journal of Engineering and Advanced Technology, 2019 According to the latest research, the current increment of the food production will not be able to satisfy the market due to the lack of farmers, and land areas with limited resources.
semanticscholar +1 more source
Tropical and Subtropical Agroecosystems, 2023 Background: Arceuthobium vaginatum subsp. vaginatum (BM; black mistletoe) and Arceuthobium globosum subsp. grandicaule (YM; yellow mistletoe), are two parasitic plant species abundant in the forests of northern and central Mexico and Central America ...
Maria Mitsi Nalleli Becerril-Gil +3 more
doaj +1 more source
Comparison of methods for harvesting in sapling stand
Silva Fennica, 1978 A theoretical nomogram was made for estimating the costs of fully mechanized thinning and the driving speed of the machine. Based on this nomogram and the previous studies three harvesting methods were compared; systematic fully mechanized harvesting ...
Harstela, Pertti, Tervo, Leo
doaj +1 more source
Comparison of growth characteristics and seed production in jojoba (Simmondsia chinensis) seedlings and cuttings [PDF]
تحقیقات جنگل و صنوبر ایران, 2013 Jojoba (Simmondsia chinensis (Link) C. K. Schneid) is a very tolerant shrub to drought condition. Its seeds contain about 50 % oil or liquid wax and have a high potential for cosmetic, pharmaceutical, food, etc.
Seyyed Mahdi Mortazavi Jahromi +1 more
doaj +1 more source
ASIAN JOURNAL OF HOME SCIENCE, 2017 This study was conducted with an aim to assess the drudgery faced by women while doing transplanting in conventional way and compare it to the improved method using hand-operated sapling transplanter along with the sapling holding basket. For the field experiments, thirty female subjects were selected in the age group of 25-45 years.
RITU GUPTA, ANJULY SHARMA
openaire +1 more source