Results 21 to 30 of about 224,115 (256)

Study Root System Structure and Characterstics in Wheat (Triticum aestivum L.) Cultivars Influenced by Applications of Sources of Fertilizer under Dryland Farming [PDF]

open access: yesبوم شناسی کشاورزی
IntroductionAmong the nutrients used by the plant for the growth of nitrogen due to its participation in the structure of proteins, amino acids, coenzymes and nucleic acids are the main factors involved in plant growth and fertility. In recent decades, a
Rahim Naseri   +2 more
doaj   +1 more source

Converting Tree Diameter Measured at Root Collar to Diameter at Breast Height [PDF]

open access: yesWestern Journal of Applied Forestry, 1999
Pinyon pine (Pinus edulis), Utah juniper (Junipers osteosperma), and Gambel oak (Quercus garnbelii) are dryland tree species often measured for diameter at the root collar (drc) near groundline (Figure 1). This measurement point is below most main stem branching typical of dryland species.
David C. Chojnacky, Paul Rogers
openaire   +1 more source

Root Growth of Hordeum vulgare and Vicia faba in the Biopore Sheath

open access: yesAgriculture, 2020
Biopores provide nutrients from root debris and earthworm casts. Inside large biopores, root function is limited due to the lack of root–soil contact. However, the immediate surroundings of biopores may hold a key function as “hotspots” for root growth ...
Lisa Petzoldt   +3 more
doaj   +1 more source

New class of integral bipartite graphs with large diameter [PDF]

open access: yesTransactions on Combinatorics, 2018
In this paper‎, ‎we construct a new class of integral bipartite graphs (not necessarily trees) with large even diameters‎. ‎In fact‎, ‎for every finite set $A$ of positive integers of size $k$ we construct an integral bipartite graph $G$ of diameter $2k$
Alireza Fiuj Laali   +1 more
doaj   +1 more source

Intraspecific Fine-Root Trait-Environment Relationships across Interior Douglas-Fir Forests of Western Canada

open access: yesPlants, 2019
Variation in resource acquisition strategies enables plants to adapt to different environments and may partly determine their responses to climate change. However, little is known about how belowground plant traits vary across climate and soil gradients.
Camille E. Defrenne   +4 more
doaj   +1 more source

Fine Root Length of Maize Decreases in Response to Elevated CO2 Levels in Soil

open access: yesApplied Sciences, 2020
To assess the environmental risks of carbon capture and storage (CCS) due to underground CO2 leakage, many studies have examined the impact on plant growth; however, the effect of leaked CO2 on root morphology remains poorly understood.
Yaojie Han, Xueyan Zhang, Xin Ma
doaj   +1 more source

Characterization of Adult Functional Traits of Local Populations and Cultivars of Sandberg Bluegrass and Bottlebrush Squirreltail Perennial Bunchgrasses

open access: yesPlants, 2019
Plant functional traits offer an understanding of the plant’s ability to cope with varying environmental impositions. The objective of this study was to evaluate the above and belowground adult morphological and chemical composition traits of local
Juan K. Q. Solomon
doaj   +1 more source

Differential influence of cortex and stele components on root tip diameter in different types of tropical climbing plants

open access: yesFrontiers in Plant Science, 2022
Climbing plants are an abundant and taxonomically diverse plant group that competes intensely with trees and thus substantially affects forest diversity and structure.
Haiwu Xu   +5 more
doaj   +1 more source

Combining abilities and mode of inheritance for some root characteristics in sugar beet [PDF]

open access: yesRatarstvo i Povrtarstvo, 2010
Sugar beet breeding is very complex because it involves numerous sugar beet root traits that must be measured and investigated, as a basis to create hybrids with high yield, high sugar content and appropriate root shape.
Ćurčić Živko   +2 more
doaj  

The diameters and number of nerve fibers in spinal nerve roots [PDF]

open access: yesThe Journal of Spinal Cord Medicine, 2014
To investigate the anatomical and histological features of spinal nerve roots and provide base data for neuroanastomosis therapy for paraplegia.Spinal nerve roots from C1 to S5 were exposed on six adult cadavers. The diameter and the number of nerve fibers of each nerve root were measured, respectively, with a caliper and image analysis software.As for
YongTao, Liu   +4 more
openaire   +2 more sources

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