Search Results - "Di, H. J"

Nitrification driven by bacteria and not archaea in nitrogen-rich grassland soils by Di, H. J, He, J. Z, Cameron, K. C, Shen, J. P, Winefield, C. S, O'Callaghan, M, Bowatte, S

“…The oxidation of ammonia to nitrate, nitrification, is a key process in the nitrogen cycle. Ammonia-oxidizing archaea are present in large numbers in the ocean…”
Get full text

How does the application of different nitrification inhibitors affect nitrous oxide emissions and nitrate leaching from cow urine in grazed pastures? by Di, H. J., Cameron, K. C.

“…Nitrous oxide (N2O) is a potent greenhouse gas, and nitrate () is a water contaminant. In grazed grassland, the major source of both leaching and N2O emissions…”
Get full text

Does sowing an oats catch crop reduce nitrate leaching from urine deposition following simulated winter forage grazing? - a growth chamber experiment by Carey, P. L., Cameron, K. C., Di, H. J., Edwards, G. R.

“…Background Growing winter forages, such as brassicas and fodder beets, is a common feed strategy to build body condition for non-lactating cows, prior to…”
Get full text

effect of four different pasture species compositions on nitrate leaching losses under high N loading by Malcolm, B. J, Cameron, K. C, Di, H. J, Edwards, G. R, Moir, J. L

“…Nitrate (NO3−) leaching can cause elevated concentrations of NO3−‐N in water, which can have adverse impacts on water quality and human health. In grazed…”
Get full text

Statistical analysis of nitrous oxide emission factors from pastoral agriculture field trials conducted in New Zealand by Kelliher, F.M., Cox, N., van der Weerden, T.J., de Klein, C.A.M., Luo, J., Cameron, K.C., Di, H.J., Giltrap, D., Rys, G.

“…Between 11 May 2000 and 31 January 2013, 185 field trials were conducted across New Zealand to measure the direct nitrous oxide (N2O) emission factors (EF)…”
Get full text

Identification of nitrate leaching loss indicators through regression methods based on a meta-analysis of lysimeter studies by Boy-Roura, M, Cameron, K. C, Di, H. J

“…This study presents a meta-analysis of 12 experiments that quantify nitrate-N leaching losses from grazed pasture systems in alluvial sedimentary soils in…”
Get full text

Nitrous oxide emissions from two dairy pasture soils as affected by different rates of a fine particle suspension nitrification inhibitor, dicyandiamide by Di, H.J, Cameron, K.C

“…In grazed pasture systems, a major source of N2O is nitrogen (N) returned to the soil in animal urine. We report in this paper the effectiveness of a…”
Get full text

Comparison of the effectiveness of a nitrification inhibitor, dicyandiamide, in reducing nitrous oxide emissions in four different soils under different climatic and management conditions by Di, H.J, Cameron, K.C, Sherlock, R.R

“…Nitrous oxide (N₂O) is a potent greenhouse gas and, in New Zealand, about one-third of the total greenhouse gas emissions from the agricultural sector are of…”
Get full text

Nitrogen losses from the soil/plant system: a review by Cameron, K.C, Di, H.J, Moir, J.L

“…Losses of nitrogen from the soil/plant system not only reduce soil fertility and plant yield but can also create adverse impacts on the environment. Ammonia…”
Get full text

Coercivity enhancement of (Nd,Ce)-Fe-B sintered magnets by doping Nd-Fe additives by Chen, K., Guo, S., Fan, X. D., Ding, G. F., Di, J. H., Chen, R. J., Lee, D., Yan, A. R.

“…The effect of Nd-Fe additives on magnetic properties and microstructure in (Nd,Ce)-Fe-B sintered magnet has been investigated. By doping 3wt% Nd-Fe additives,…”
Get full text

The use of a nitrification inhibitor, dicyandiamide (DCD), to decrease nitrate leaching and nitrous oxide emissions in a simulated grazed and irrigated grassland by DI, H. J, CAMERON, K. C

“…In grazed dairy pasture systems, a major source of NO sub(3) super(-) leached and N sub(2)O emitted is the N returned in the urine from the grazing animal. The…”
Get full text

Sowing a winter catch crop can reduce nitrate leaching losses from winter-applied urine under simulated forage grazing: a lysimeter study by Carey, P. L., Cameron, K. C., Di, H. J., Edwards, G. R., Chapman, D. F.

“…Grazing of winter forage crops is a common management option used in the dairy industry of New Zealand, particularly in the South Island, where they are used…”
Get full text

Effects of forage type and gibberellic acid on nitrate leaching losses by Woods, R. R., Cameron, K. C., Edwards, G. R., Di, H. J., Clough, T. J.

“…Nitrogen (N) leaching from soil into water is a significant concern for intensively grazed forage‐based systems because it can cause a decline in water quality…”
Get full text

Influence of plant growth and root architecture of Italian ryegrass (Lolium multiflorum) and tall fescue (Festuca arundinacea) on N recovery during winter by Malcolm, B. J, Moir, J. L, Cameron, K. C, Di, H. J, Edwards, G. R

“…Nitrate (NO3−) leaching is an environmental and health concern. In grazed pasture systems, NO3− leaching primarily occurs beneath animal urine patch areas due…”
Get full text

Simulated animal trampling of a free-draining stony soil stimulated denitrifier growth and increased nitrous oxide emissions by Treweek, G., Di, H. J., Cameron, K. C., Podolyan, A.

“…Winter forage grazing systems in New Zealand cause compaction of soil by grazing animals, especially when the soil is wet. However, there is little information…”
Get full text

Effect of soil aggregate size and dicyandiamide on N2O emissions and ammonia oxidizer abundance in a grazed pasture soil by Robinson, A., Di, H. J., Cameron, K. C., Podolyan, A.

“…Nitrous oxide (N2O) is a potent greenhouse gas, which is mainly produced from agricultural soils. Ammonia oxidation is the rate‐determining step in N2O…”
Get full text

Accounting for the utilization of a N₂O mitigation tool in the IPCC inventory methodology for agricultural soils by Clough, T. J, Di, H. J, Cameron, K. C, Sherlock, R. R, Metherell, A. K, Clark, H, Rys, G

“…In this study we review recent studies where dicyandiamide was used as a nitrification inhibitor to reduce both N₂O emissions from urine patches and nitrate…”
Get full text

Effects of trampling of a wet dairy pasture soil on soil porosity and on mitigation of nitrous oxide emissions by a nitrification inhibitor, dicyandiamide by Ball, B. C., Cameron, K. C., Di, H. J., Moore, S.

“…Urine patches in dairy pastures are major sources of nitrous oxide (N2O). Wet winters result in compaction damage to pastures because of animal trampling. The…”
Get full text

Reducing environmental impacts of agriculture by using a fine particle suspension nitrification inhibitor to decrease nitrate leaching from grazed pastures by Di, H.J., Cameron, K.C.

“…Nitrate (NO 3 −) leaching from intensively grazed pasture systems, e.g. dairy farming, is of increasing environmental concern worldwide. The major source of…”
Get full text

Phosphorus Exchangeability and Leaching Losses from Two Grassland Soils by Sinaj, S., Stamm, C., Toor, G. S., Condron, L. M., Hendry, T., Di, H. J., Cameron, K. C., Frossard, E.

“…ABSTRACT Although phosphate phosphorus (P) is strongly sorbed in many soils, it may be quickly transported through the soil by preferential flow. Under flood…”
Get full text