Is Root Density Predicted Independently from Soil C (or N)?
The effect of the soil compaction on the contents of alfalfa root reserve nutrients in relation to the stand density and the amount of root biomass
... reserve root nutrients influence the overwintering, regrowth, yield, and persistence of alfalfa ...the root reserves is considered more important than their ...the soil compaction on the reserve ...
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Effect of subsoiling on tillers, root density and nitrogen use efficiency of winter wheat in loessal soil
... al. 2008). As a result, the increased infiltration rates, especially preferential-water flow in macropores, might lead to nutrients leaching (Jarvis 2007). Schneider et al. (2017) found that the opposite conclusions ...
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The P type ATPase CATP 1 is a novel regulator of C elegans developmental timing that acts independently of its predicted pump function
... conditions, C. elegans goes from hatching to reproductive adulthood in 3 ...population density, animals can enter a facultative L3 diapause stage called the dauer larva (Cassada and Russell, ...
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A comparison between water uptake and root length density in winter wheat: effects of root density and rhizosphere properties
... the root is dominated by radial hydraulic resistance, we assumed that the axial resistance was comparably negligible and water pressure inside all root segments was thus the same and remained un- changed ...
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Modelling soil bulk density at the landscape scale and its contributions to C stock uncertainty
... the predicted value of the i-th case and t i is the observed ...to independently test the predictive power of the ...and root-mean-square error ...value from the training data and the effect ...
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Development of field techniques to predict soil carbon, soil nitrogen and root density from soil spectral reflectance : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Soil Science at Massey University, Palmerston North, New Zealand
... self-illuminated soil probe permits the acquisition of reflectance spectra, in the Vis-NIR range, from samples of ...spectra from two soil types were clearly modified as root ...
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Soil strength influences wheat root interactions with soil macropores
... the soil preceding a larger ...the soil bulk density would be expected to increase around the ...bulk soil (Colombi & Walter, 2017; Pfeifer et ...preferential root growth towards ...
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Soil strength influences wheat root interactions with soil macropores
... | Soil column design Field soil was collected from Warren Field at Woburn experimental farm, Bedfordshire, United Kingdom (52°01 ...The soil in the 0 –40 cm layer collected for these ...
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Predicting the soil moisture retention curve, from soil particle size distribution and bulk density data using a packing density scaling factor
... vs. predicted SMCs with the MV–VG model, the scaling approach and ROSETTA for clay, sandy loam, loam, and silt loam textures are presented in ...loam soil (code: 3090), the scaling approach slightly ...
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A New Method of Estimating the Pollen Dispersal Curve Independently of Effective Density
... Simulations: We used numerical simulation to assess the bias and accuracy (root mean square error, ffiffiffiffiffiffiffiffiffiffi p MSE ) of the estimates of the average distance of pollen dispersal (d), for both the pairwise ...
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The response of root system architecture to soil compaction
... of root growth to compaction, with growth being reduced at the lowest and highest bulk densities (Arvidesson, 1999; Alameda and Villar, 2009; Atkinson et ...enhance root growth is supported by other workers ...
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Characterising root density of peach trees in a semi-arid Chernozem to increase plant density
... a c t. The available information on root system in fully mature peach orchards in semi-arid regions is ...the root system density in an irri- gated peach orchard from Dobrogea, Romania, ...
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A physically based approach for the estimation of root zone soil moisture from surface measurements
... controlling soil moisture ...of soil moisture (e.g. evapotranspira- tion, soil hydraulic properties, soil depth, number of soil lay- ers, ...the soil water content at field ...
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Estimating root zone soil moisture using near surface observations from SMOS
... mean root zone soil moisture as the ...Nebraska. Root zone soil moisture estimates were generally higher than the soil moisture ...– predicted) is gener- ally ...low soil ...
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Effects of High Bulk Density Soil Layers on Root Distribution, Resource Acquisition and Root Morphology of Soybean (Glycine Max), Sicklepod (Senna Obtusifolia) and Palmer Amaranth (Amaranthus Palmeri)
... iv BIOGRAPHY George Thomas Place II was born in Kansas City, Missouri. Upon graduation from high school at age 18, he entered the American Kenpo Karate Academy. He lived in Kansas City until the age of 21 at which ...
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Results. Household poverty independently predicted child mental health and educational risks, AIDS orphanhood independently predicted
... data) from 36 countries to determine whether orphanhood, or living with an HIV-positive or chronically ill adult, predicted child vulnerability in three outcomes: wasting among 0 - 4-year-olds, school ...
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Amount of Soil Ice Predicted from Weather Observations
... In many practical cases, the only information one may have is the daily maximum/minimum air temperatures, precipitation, sometimes solar radiation and a general description of various si[r] ...
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Organic C and N stabilization in a forest soil: evidence from sequential density fractionation
... andic soil, are well known to be depleted in 13 C relative to bulk plant material (Deines, 23 ...13 C and 24 15 N depending on the specific compound and the substrate on which the organisms that ...
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Mathematical Modeling of Pollutant Uptake by the Plant Root from the Soil
... plant root nutrient uptake given by Roose is modified and extended for pollutant uptake in ...cylindrical root for all cases of practical interest, by solving the absorption-diffusion equation for the ...
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CiteSeerX — The central surface density of “dark halos ” predicted by MOND
... the density profile of the “halo” of any isolated object behaves asymptotically as r −2 (asymptotic flatness of rotation ...halo density profile must become shallow and produce a ...
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