Search Results - "Kelliher, FM"
-
1
Increasing soil aeration reduces mitigation efficacy of dicyandiamide when targeted at ruminant urine-derived N2O emissions
Published in New Zealand journal of agricultural research (02-10-2015)“…Soil aeration effects on the efficacy of dicyandiamide (DCD) at reducing reactive nitrous oxide (N ₂O) fluxes from ruminant urine patches have not been…”
Get full text
Journal Article -
2
Sources of N 2 O–N following simulated animal treading of ungrazed pastures
Published in New Zealand journal of agricultural research (03-07-2014)Get full text
Journal Article -
3
-
4
Measuring methane emission rates of a dairy cow herd by two micrometeorological techniques
Published in Agricultural and forest meteorology (20-10-2004)“…Two well-known micrometeorological techniques were used to measure methane emission rates from a herd of dairy cows freely grazing within a fenced paddock. The…”
Get full text
Journal Article -
5
Determining the nitrous oxide transfer velocity and emission factor of an agricultural drain
Published in New Zealand journal of agricultural research (03-07-2017)“…There have been few studies examining indirect nitrous oxide emissions associated with nitrogen (N) leaching from agricultural soils. For agricultural drainage…”
Get full text
Journal Article -
6
Climate and vegetation controls on boreal zone energy exchange
Published in Global change biology (01-12-2000)“…Summary The boreal forest, one of the world's larger biomes, is distinct from other biomes because it experiences a short growing season and extremely cold…”
Get full text
Journal Article -
7
Effects of irrigation intensity on preferential solute transport in a stony soil
Published in New Zealand journal of agricultural research (02-04-2016)“…If irrigation intensity exceeds soil infiltration capacity, water may flow preferentially down cracks and large pores. In this situation, solute transport will…”
Get full text
Journal Article -
8
Soil carbon stock beneath an established irrigated pasture grazed by dairy cattle
Published in New Zealand journal of agricultural research (02-01-2015)“…Soils were sampled at intervals to 0.8 m depth on an irrigated dairy farm in the Canterbury region of New Zealand and a nearby (control) area with unimproved…”
Get full text
Journal Article -
9
Nitrous oxide emissions from drained peat soil beneath pasture
Published in New Zealand journal of agricultural research (01-10-2016)“…Nitrous oxide (N 2 O) emissions (E N2O ) from drained peat soils used for pastoral agriculture have not been measured throughout the year in New Zealand. In…”
Get full text
Journal Article -
10
Long-term carbon exchange in a sparse, seasonally dry tussock grassland
Published in Global change biology (01-10-2004)“…Rainfall and its seasonal distribution can alter carbon dioxide (CO2) exchange and the sustainability of grassland ecosystems. Using eddy covariance, CO2…”
Get full text
Journal Article -
11
Sources of N2O–N following simulated animal treading of ungrazed pastures
Published in New Zealand journal of agricultural research (01-09-2014)“…It has been previously hypothesised that the treading of pastures by grazing animals can increase nitrous oxide (N ₂O) emissions as the result of reduced plant…”
Get full text
Journal Article -
12
Evaporation and carbon dioxide exchange between the atmosphere and a tussock grassland during a summer drought
Published in Agricultural and forest meteorology (29-03-2002)“…For 212 days, including a 117-day-long summer drought with only 45 mm rainfall, fluxes of latent and sensible heat ( λE and H, respectively) and carbon dioxide…”
Get full text
Journal Article -
13
Lime and soil moisture effects on nitrous oxide emissions from a urine patch
Published in Soil Science Society of America journal (01-09-2004)“…Liming has been mooted as a mitigation option for lowering soil N2O emissions. This study investigated the effect of soil pH and soil water content on N2O and…”
Get full text
Journal Article -
14
Nitrogen application rate and nitrous oxide flux from a pastoral soil
Published in New Zealand journal of agricultural research (02-10-2014)“…Nitrogen (N) can be lost to the atmosphere by nitrous oxide (N ₂O) flux from soils. For pastoral soils, N is applied in N fertiliser and excreta deposited by…”
Get full text
Journal Article -
15
Productivity of forests in the Eurosiberian boreal region and their potential to act as a carbon sink -- a synthesis
Published in Global change biology (01-08-1999)“…Summary Based on review and original data, this synthesis investigates carbon pools and fluxes of Siberian and European forests (600 and 300 million ha,…”
Get full text
Journal Article -
16
Pristine New Zealand forest soil is a strong methane sink
Published in Global change biology (2004)“…Methanotrophic bacteria oxidize methane (CH4) in forest soils that cover ∼30% of Earth's land surface. The first measurements for a pristine Southern…”
Get full text
Journal Article -
17
Use of shallow samples to estimate the total carbon storage in pastoral soils
Published in New Zealand journal of agricultural research (01-03-2013)“…Using data from pastoral soils sampled by horizon at 56 locations across New Zealand, we conducted a meta-analysis. On average, the total depth sampled was…”
Get full text
Journal Article -
18
Maximum conductances for evaporation from global vegetation types
Published in Agricultural and forest meteorology (01-02-1995)“…We compare independent data sets of the maximum stomatal conductance ( g smax, for single leaves) and bulk surface conductance ( G smax, for a vegetated…”
Get full text
Journal Article -
19
Soil carbon stocks in particle-size fractions under seasonally irrigated, grazed pasture
Published in New Zealand journal of agricultural research (01-09-2013)“…For 60 years at Winchmore, soils under pasture grazed by sheep received rainfall or rainfall plus irrigation during summer to limit the water deficit. For soil…”
Get full text
Journal Article -
20
Determining Vertical Root and Microbial Biomass Distributions from Soil Samples
Published in Soil Science Society of America journal (01-05-2006)“…When vertical density distributions of root or microbial biomass are calculated using each sampling interval's midpoint as the depth coordinate, the calculated…”
Get full text
Journal Article