Zobrazeno 1 - 10
of 165
pro vyhledávání: '"D. J. Hatch"'
Publikováno v:
ASEG Extended Abstracts. 2018:1-5
The Gedex High-Definition Airborne Gravity Gradiometer (HD-AGG™) was designed and developed to deliver measurements of the gravitational field with improved signal-to-noise and resolution. The syst...
Publikováno v:
Journal of Applied Geophysics. 136:335-342
In this paper we investigate digital elevation model (DEM) sourcing requirements to compute gravity gradiometry terrain corrections accurate to 1 Eotvos (Eo) at observation heights of 80 m or more above ground. Such survey heights are typical in fixe
Publikováno v:
Journal of Plant Nutrition and Soil Science. 176:655-664
In S Spain, the Andalusian olive oil industry generates annually 2.5-3.0 million tons of olive mill pomace, a by-product which is comprised of the residues from the two-phase oil-extraction process. The agricultural policies of the EU have led to wid
Publikováno v:
Rapid Communications in Mass Spectrometry. 26:2379-2385
RATIONALE The combination of plant residues with inorganic fertiliser-N provides the potential to increase N-use efficiency in agricultural fruit production systems, such as olive orchards. The development of weeds in the inter-canopy area of olive o
Publikováno v:
Rapid Communications in Mass Spectrometry. 25:1521-1526
There are over one million hectares of pasture in Chile, and 80% and 50% of the country's milk and meat comes from 72% of this area, situated in the lake region of southern Chile. The soils are volcanic and a major characteristic is that they have ve
Publikováno v:
Soil Use and Management. 26:21-26
Three unfertilized spring sown species of lupins (Lupinus angustifolius and peas Pisum sativa) were compared in terms of N fixation and subsequent leaching under a following winter barley crop in an organically managed rotation. Fallow plots were inc
Publikováno v:
Rapid Communications in Mass Spectrometry. 24:519-528
Nitrogenous materials can be transferred out of the topsoil, either vertically to a greater depth, or in lateral pathways to surface waters, and they may also become transformed, with the potential of generating environmentally active agents. We meas
Autor:
Frank Fierro, D. J. Hatch, Patrick T. Reardon, Felix P. Garcia, Gerald Rivera, R. D. Day, Randall B. Randolph
Publikováno v:
Fusion Science and Technology. 55:301-307
During the course of machining targets for various experiments, it sometimes becomes necessary to take fixtures or machines that are designed for one function and adapt them to another function. When adapting a machine or fixture is not adequate, it
Autor:
Henrique Trindade, D. J. Hatch, Laura M. Cardenas, Phil J. Hobbs, D. Scholefield, J.P. Carneiro, C. D. Clegg
Publikováno v:
Environmental Chemistry Letters. 8:237-246
Nitrous oxide (N2O) affects climate change as a greenhouse gas and indirectly contributes to stratospheric ozone depletion. The main source of N2O in soils is denitrification which requires high soil moisture, carbon and nitrate. Nitrification inhibi
Publikováno v:
Bioresource Technology. 98:3243-3248
In organic farming, maximising the amount of nitrogen (N) which is fixed and retained within the soil is of paramount importance for the yield of the following crop. The aim of this study was to establish the extent to which increased soil fertility,