OOIR: Observatory of International Research

Papers

(The median citation count of New Zealand Journal of Agricultural Research is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
Ergot alkaloids in New Zealand pastures and their impact	23
Computer vision-based weight estimation of livestock: a systematic literature review	22
Quantifying contaminant losses to water from pastoral landuses in New Zealand II. The effects of some farm mitigation actions over the past two decades	20
Quantifying contaminant losses to water from pastoral land uses in New Zealand III. What could be achieved by 2035?	13
Intended and unintended consequences of genetically modified crops – myth, fact and/or manageable outcomes?	10
Effect of birth rank and age at first lambing on lifetime performance and ewe efficiency	9
Effects of heavier live weight of ewe lambs at mating on fertility, lambing percentage, subsequent live weight and the performance of their progeny	9
Impacts of growing and utilising genetically modified crops and forages – a New Zealand perspective	8
Reflecting on the journey of environmental farm planning in New Zealand	8
Assessing dairy farming eco-efficiency in New Zealand: a two-stage data envelopment analysis	8
Simplified methods for on-farm prediction of yield potential of grazed lucerne crops in New Zealand	7
Production, profit and nitrogen flows in irrigated dairy systems representing different industry development pathways: the Pastoral 21 experience in Canterbury	7
Quantifying contaminant losses to water from pastoral landuses in New Zealand I. Development of a spatial framework for assessing losses at a farm scale	7
Comparing herbicide resistance in New Zealand and Australia	7
Investigation into the contrasting production of eight perennial clover cultivars in the first two years at field sites in in Waikato and Canterbury	6
Defects and bacterial pathogens in udders of non-dairy breed ewes from New Zealand	6
Impacts of pasture species and ruminant urine on N₂O emissions and nitrogen transforming microbial communities in soil mesocosms	6
Analytical purity of old New Zealand forage seed samples and detection of fungal and insect contaminants including ryegrass endophyte and Argentine stem weevil	5
The effect of polyferric sulphate treated farm dairy effluent and clarified water on leaching losses, greenhouse gas emissions and pasture growth	5
The effect of a fodder beet versus rye-grass grazing regime during mid-to-late gestation twin-bearing ewes on dam and progeny performance and lamb survival	5
Multiple resistance to flumetsulam and MCPA in two clones of Ranunculus acris	5
Forage production, morphological, and chemical composition of diploid and tetraploid cultivars of Italian ryegrass in hydromorphic soils	5
Cumulative effects of fragmentation and development on highly productive land in New Zealand	5
A horizon scan for temperate pastoral weed science–a New Zealand perspective	5
Breeding heavier ewe lambs at seven months of age did not impact their subsequent two and three-year-old ewe live weight and reproductive performance	5

The state of knowledge of cadmium in New Zealand agricultural systems: 2021	4
Live weight and body condition score of mixed-aged beef breeding cows on commercial hill country farms in New Zealand	4
Causes of leaf reddening in subterranean clover cultivars	4
Measuring the response of variable bulk solid fertiliser application by computer-controlled delivery from aircraft	4
A comparison of three nitrate leaching mitigation treatments with dicyandiamide using lysimeters	4
Total soil cadmium concentrations in the Winchmore long-term phosphorus fertiliser trial are still increasing	4
Soybean silage in dairy heifers’ diets: ruminal fermentation, intake and digestibility of nutrients	4
Modelling the feasibility and cost-effectiveness of edge-of-field mitigations for reducing nitrogen and phosphorus loads in the Waituna Lagoon Catchment, Southland	3
Selection scheme designs for dairy cattle milked once daily in New Zealand: a deterministic approach	3
Phosphorus transport in subsurface flow from a stony soil under irrigated and non-irrigated lucerne	3
Do pasture-based mixed dairy systems with higher milk production have lower environmental impacts? A Uruguayan case study	3
The effect of irrigated land-use intensification on the topsoil physical properties of a pastoral silt loam	3
Implications of sampling bias and population behaviour in the study of parasitoid-based biocontrol of Listronotus bonariensis in New Zealand’s exotic pasture ecosystems	3
Effects of Ca:Mg ratio and pH on soil chemical, physical and microbiological properties and grass N yield in drained peat soil	3
Perceptions of plant breeding methods–from ‘phenotypic selection’ to ‘genetic modification’ and ‘new breeding technologies’	3
Robots and shocks: emerging non-herbicide weed control options for vegetable and arable cropping	3
Glyphosate and paraquat resistance in putative resistant plantain (Plantago lanceolata L.) populations collected in 21 localities	3
Combining perennial ryegrass cultivars in seed mixtures confers limited and situation-specific benefits for dairy pasture productivity	3
Genetic parameters across milking frequency for first lactation milk production traits in New Zealand	3
Productive performance and ingestive behaviour of feedlot finished Santa Ines lambs on diets containing differing fibre levels	3
Effectiveness of cottonseed cake fibre included in the diet of Nellore steers finished in confinement	3
Growth dynamics and nutrient uptake of panicum maximum under nitrogen fertilisation	3
Target-site and non-target site resistance mechanisms are associated with iodosulfuron resistance in Lolium perenne L.	3
Epichloë fungal endophytes – a vital component for perennial ryegrass survival in New Zealand	2
Protein and carbohydrate fractionation of Urochloa spp. and Megathyrsus maximus forages after intercropping with soybean in an integrated crop-livestock system	2
Carcass characteristics and meat quality of Texel lambs finished in Brachiaria spp. pastures with different levels of extruded urea (200S) supplementation	2
Time of sowing and cultivar effects on hardseededness and germination of subterranean clover seeds	2
Production responses in adult ewes to long-acting anthelmintic treatment pre-mating: relationship with body condition score	2
Progressing the consideration of indigenous biodiversity in farm planning processes in New Zealand	2
Ethanol and organic acid production related to the microbial population in sugarcane silages with admixed crambe (Crambe abyssinica Hochst) bran	2
Net economic benefit of Ranunculus acris control in dairy pasture – accounting for herbicide damage to clovers and evolved resistance	2
Reducing nutrient and sediment losses in surface runoff by selecting cattle supplement feeding areas based on soil type in New Zealand hill country	2
Intraspecific variation for osmotic adjustment in white clover (Trifolium repens)	2
Can secondary metabolites of plantain reduce N losses from urine patches?	2
Agronomic performance and soil chemical composition when using poultry litter as organic fertilizer in Mombasa Guinea grass production	2
Effects of bovine leptin gene variation on milk traits in New Zealand Holstein-Friesian × Jersey-cross dairy cows	2
Impact of volumetric versus gravimetric assessment on Olsen P concentrations	2
Suitability of six extraction methods for isolating a large quantity of high-quality RNA from New Zealand free-draining stony soil	2
Fermentation profile, microbial populations and aerobic stability of sorghum silages enriched with urea and Lactobacillus buchneri	2
The impact of cattle grazing and treading on soil properties and the transport of phosphorus, sediment and E. coli in surface runoff from grazed pasture	2
Mixed ration silage containing sugarcane and babassu byproducts as a nutritional alternative for livestock	2
Effect of feeding time on urinary and faecal nitrogen excretion patterns in sheep	2
Buffel grass pre-dried as a modulator of the fermentation, nutritional and aerobic stability profile of cactus pear silage	2
Earthworms for inclusion as an indicator of soil biological health in New Zealand pastures	2
Improving the economic and environmental performance of a New Zealand hill country farm catchment: 4. Greenhouse gas and carbon stock implications of land management change	2
Farm systems research at Ruakura – a 60-year legacy underpinning profitable and sustainable pasture-based dairy systems	2
The potential for phosphorus loss to groundwater from soils irrigated with dairy factory wastewater	2
A framework for applying interceptive mitigations for diffuse agricultural pollution	2
MicroRNA expression under phosphate deficiency stress in red clover (Trifolium pratense L.): a three-year field experiment	2
Microbial inoculant and cottonseed cake as additives for millet silage at different fermentation times	1

Land use and water quality	1
Pasture yield responses and nitrogen leaching losses from rolling downland grazed by sheep in the South Island of New Zealand	1
The use of GPS data to assess behaviour of red deer hinds over calving: hinds farmed in extensive high-country environments	1
Tissue flow and agronomic performance of intercropped tropical-climate grasses grown in the semi-arid region	1
Do different soil use and management systems change root weight?	1
Evaluation of high-resolution melting and RT-qPCR probe assays for high-throughput detection of target-site mutations conferring glyphosate resistance in Lolium perenne	1
Different parasitoid species elicit varied Argentine stem weevil, Listronotus bonariensis avoidance responses	1
There is no relationship between plasma amino acid concentration and urinary nitrogen concentration in heifers fed plantain or ryegrass	1
Winter cover crops to reduce herbicide inputs into spring-planted maize pastoral systems in New Zealand	1
Fermentative dynamics and nutritional characteristics of mixed corn silages with and without cobs associated with butterfly pea hay	1
Potential risks of future herbicide-resistant weeds in New Zealand revealed through machine learning	1
Effect of palm kernel cake inclusion in the supplement of pasture-finished heifers on performance, carcass traits, and meat quality	1
Elevating soil pH does not reduce N₂O emissions from urine deposited onto pastoral soils	1
Light interception, yield, spring regrowth and quality of Chloris gayana under different defoliation regimes	1
Storage time effects on whole-plant sorghum silage fermentation profile, aerobic stability and mycotoxin concentration	1
A review of the effectiveness of sediment traps for New Zealand agriculture	1
Water and nitrogen stress effects on canopy development and biomass allocation in fodder beet (Beta vulgaris L.)	1
Land-use intensification and dairy effluent effects on soil water repellency and soil carbon of a silt loam topsoil	1
Supporting the growth of the dairy sheep industry in New Zealand–industry update and review of a programme linking industry and science	1
Effect of vernalisation on the diurnal changes in fatty acid profile and nutrient composition of chicory in response to defoliation frequency	1
Measurement of nitrate leaching losses from lysimeters on a dairy farm following conversion from forestry	1
Effects of mixed plantings of field pea in conjunction with spring triticale harvested at different growth stages on total nitrogen and exogenous amino acids concentrations in green fodder	1
Nitrous oxide responses to long-term phosphorus application on pasture soil	1
Alternative pre-weaning supplementation in the performance of sheep and their offspring in pastures of Panicum maximum cv. Massai in the semiarid region	1
The value of a herbicide resistance testing service for the agricultural sector in New Zealand	1
Biocontrol of St John’s wort (Hypericum perforatum) provides huge ongoing benefits to New Zealand agriculture	1
Variation of nutritive value, measured by proximal hyperspectral sensing, of herbage offered to grazing dairy cows	1
Trends in plant sciences	1