OOIR: Observatory of International Research

Papers

(The median citation count of Plant Production Science is 2. 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 2020-03-01 to 2024-03-01.)

Article	Citations
Predicting within-field variability in grain yield and protein content of winter wheat using UAV-based multispectral imagery and machine learning approaches	61
Field phenotyping of plant height in an upland rice field in Laos using low-cost small unmanned aerial vehicles (UAVs)	38
High temperature during soybean seed development differentially alters lipid and protein metabolism	32
Discriminating crops/weeds in an upland rice field from UAV images with the SLIC-RF algorithm	29
Genetic analysis of biochemical, fiber yield and quality traits of upland cotton under high-temperature	16
Variation in nutritional quality of pigmented rice varieties under different water regimes	15
Effect of the application of plant hormones on the formation of parthenocarpic fruits and oil production in oil palm interspecific hybrids (<i>Elaeis oleifera Cortes</i> x <i>Elaeis	13
Short-term application of biochar improves post-heading crop growth but reduces pre-heading biomass translocation in rice	12
Pronounced effect of farmyard manure application on P availability to rice for paddy soils with low total C and low pH in the central highlands of Madagascar	10
The effect of grain moisture contents on the roll milling characteristics of Tartary buckwheat cultivar ‘Manten-Kirari’	10
Shifting timing of intensive nitrogen topdressing later to the stem-elongation phase reduced lower internodes length and lodging risk of wheat	10
Exploring relevant wavelength regions for estimating soil total carbon contents of rice fields in Madagascar from Vis-NIR spectra with sequential application of backward interval PLS	10
Detection and characterization of quantitative trait loci for coleoptile elongation under anaerobic conditions in rice	10
Foliar zinc application improved grain zinc accumulation and bioavailable zinc in unpolished and polished rice	10
Sago palm (Metroxylon sagu Rottb.) response to drought condition in terms of leaf gas exchange and chlorophyll a fluorescence	9
Diurnal changes in chloroplast positioning and photosynthetic traits of C₄ grass finger millet	9
Recent changes in rice production in rainfed lowland and irrigated ecosystems in Thailand	9
Deep rooting development and growth in upland rice NERICA induced by subsurface irrigation	9
Low-N stress tolerant maize hybrids have higher fertilizer N recovery efficiency and reduced N-dilution in the grain compared to susceptible hybrids under low N conditions	9
The relationship between internode elongation of soybean stems and spectral distribution of light in the canopy under different plant densities	9
Genetic variation in the photosynthetic induction response in rice (Oryza sativa L.)	9
Accelerated senescence and nitrogen remobilization in flag leaves enhance nitrogen use efficiency in soft red winter wheat	8
Mapping quantitative trait loci for water uptake of rice under aerobic conditions	8
Promotive or suppressive effects of ultrafine bubbles on crop growth depended on bubble concentration and crop species	8
A method for evaluating cold tolerance in rice during reproductive growth stages under natural low-temperature conditions in tropical highlands in Kenya	8

Effect of drought stress on flowering characteristics in rice (Oryza sativa L.): a study using genotypes contrasting in drought tolerance and flower opening time	8
Genetic control of root architectural traits in KDML105 chromosome segment substitution lines under well-watered and drought stress conditions	7
Monitoring spatial and time-series variations in red crown rot damage of soybean in farmer fields based on UAV remote sensing	7
Suppressive activity of volatile fatty acids and aromatic carboxylic acids on the germination of Monochoria vaginalis	7
Fertilizer responsiveness of high-yielding drought-tolerant rice in rainfed lowlands	7
Effects of introduction of sorghum RbcS with rice RbcS knockdown by RNAi on photosynthetic activity and dry weight in rice	7
Optimized nitrogen application increases rice yield by improving the quality of tillers	7
Accession difference in leaf photosynthesis, root hydraulic conductance and gene expression of root aquaporins under salt stress in barley seedlings	7
Evaluation of morphological and phytochemical characteristics of Mesona chinensis populations in southern China	6
Analysis of the shallow root system of maize grown by plowing upland fields converted from paddy fields: effects of soil hardness and fertilization	6
Grain yield and genotype x environment interaction in bean cultivars with different growth habits	6
The influence of high night temperature on yield and physiological attributes of Soybean cv. Fukuyutaka	6
Photosynthetic nitrogen- and water-use efficiencies in C₃ and C₄ subtype grasses grown under two nitrogen supply levels	6
Effects of snow compaction ‘yuki-fumi’ on soil frost depth and volunteer potato control in potato–wheat rotation system in Hokkaido	6
Genetic mechanism of heat stress tolerance at anthesis among three different rice varieties with different fertilities under heat stress	6
Growth responses of seedlings under complete submergence in rice cultivars carrying both the submergence-tolerance gene SUB1A-1 and the floating genes SNORKELs	6
Effect of flag leaf length of erect panicle rice on the canopy structure and biomass production after heading	6
Rice yields and the effect of weed management in an organic production system with winter flooding	6
Carbohydrates accumulation, oil quality and yield of rapeseed genotypes at different nitrogen rates	6
Effects of maturity group and stem growth habit on the branching plasticity of soybean cultivars grown at various planting densities	5
Ultrafine bubbles alleviated osmotic stress in soybean seedlings	5
Evaluation of APSIM-wheat to simulate the response of yield and grain protein content to nitrogen application on an Andosol in Japan	5
Varietal difference in dynamics of non-structural carbohydrates in nodal segments of stem in two varieties of rice (Oryza sativa L.) at pre- and post-heading stages	5
Effectiveness of direct application of top dressing with spent coffee grounds for soil improvement and weed control in wheat-soybean double cropping system	5
Agronomic responses of soybean cultivars to narrow intra-row spacing in a cool region of northern Japan	5
Cross-locational experiments to reveal yield potential and yield-determining factors of the rice cultivar ‘Hokuriku 193’ and climatic factors to achieve high brown rice yield over 1.2kg m^-2	5
Resistance factors of pecky rice incidence caused by the rice stink bugs (Leptocorisa chinensis, Nezara viridula) in rice line CRR-99-95W	5
AnAgrobacterium-mediated transformation via organogenesis regeneration of a facultative CAM plant, the common ice plantMesembryanthemum crystallinumL	5
Fertigation based on a nutrient balance model for cassava production in two different textured soils	5
Rapid evaluation of leaf photosynthesis using a closed-chamber system in a C₄ plant, sugarcane	4
Visual observation of cowpea pod elongation to predict nitrogen accumulation in immature seeds	4
Localized phosphorus application via P-dipping is more effective for improving initial rice growth in lower temperature conditions	4
Effects of fertilizer micro-dosing in nursery on rice productivity in Madagascar	4
AZ-97 (Oryza sativa ssp. Indica) exhibits superior biomass production by maintaining the tiller numbers, leaf width, and leaf elongation rate under phosphorus deficiency	4
Estimation of spikelet number per area by UAV-acquired vegetation index in rice (Oryza sativa L.)	4
Farmyard manure application increases spikelet fertility and grain yield of lowland rice on phosphorus-deficient and cool-climate conditions in Madagascar highlands	4
Hypoxia tolerance of four millet species is attributable to constitutive aerenchyma formation and root hair development of adventitious roots	4
Effects of temperature during ripening on amylopectin chain-length distribution of ‘Koshihikari’ and ‘Ichihomare’	3
Non-puddling rice cultivation increases subsequent soybean yield in a rice–soybean rotation system	3
Canola production and effect on soil chemical properties in response to different residue levels from three biannual crop rotations	3
Status quo and challenges of rice production in sub-Saharan Africa	3
Factors destabilizing the control of Monochoria vaginalis by rice bran: its conflicting powers influence both suppression and promotion of germination in paddy soil	3
Evaluation of early vigor under direct planting cultivation in sweet potato	3
Effect of leaf thinning on shoot growth and tuber yield of white Guinea yam	3
Modeling biomass and yield production based on nitrogen accumulation in soybean grown in upland fields converted from paddy fields in Japan	3
Eggshell powder as calcium source on growth and yield of groundnut (Arachis hypogaea L.)	3
Contribution of different genotypic roots to drought resistance in soybean by a grafting experiment	3
Dry matter production and physiological responses to a wide range of irrigation levels in two Japanese soybean cultivars	3
Effects of Phytophthora sojae inoculation under flooded conditions on growth of soybean seedlings	3
Yield potentials of improved rice varieties for increased lowland rice production within the mankran watershed in Ghana	3

Effect of using drip irrigation on the growth, yield and its components of soybean grown in a low rainfall region in Japan	3
Yield and related traits for a soybean breeding line ‘Tokei 1122’ with QTLs for long terminal racemes under high planting density conditions	2
Mapping consistent additive and epistatic QTLs for plant production traits under drought in target populations of environment using locally adapted landrace in rice (Oryza sativa L.)	2
Evaluation of mother and daughter root traits in sweet potato germplasm cultivated by direct planting	2
Temperature tolerance threshold and mechanism of oxidative damage in the leaf of Coffea arabica ‘Typica’ under heat stress	2
Prohydrojasmon prevents spindly growth and induces the expression of an abiotic and biotic stress marker gene,PBZ1p::sGFP, in rice	2
The conditional chalky grain mutant ’flo11-2ʹ of rice (Oryza sativa L.) is sensitive to high temperature and useful for studies on chalkiness	2
Varietal difference of soybean plant type focus on petiole	2
Biomass estimation of World rice (Oryza sativa L.) core collection based on the convolutional neural network and digital images of canopy	2
The crack fertilization technique effectively increases soybean production in upland fields converted from paddies	2
Exogenous calcium fertilizer supplementation regulates production period in djulis (Chenopodium formosanum Koidz.)	2
Estimation of grain quality of rice (Oryza sativa L.) by UAV-acquired vegetation index and climate factors	2
Physiological analysis of leaf photosynthesis of backcross-derived progenies from soybean (Glycine max(L.) Merrill) andG. tomentellaHayata	2
Synergistic and sustainable impact of reducing nitrogen fertilizer on growth, yield, and quality of ramie (Boehmeria nivea L.)	2
Adaptive responses to flooding in wild rice species with various genomes other than AA	2