Estimation of nitrogen status of paddy rice at vegetative phase using unmanned aerial vehicle based multispectral imagery Yi-Ping WangYu-Chieh ChangYuan Shen OriginalPaper 03 June 2021 Pages: 1 - 17
Prediction of soil nutrient content via pXRF spectrometry and its spatial variation in a highly variable tropical area Marcelo Henrique Procópio PelegrinoSérgio Henrique Godinho SilvaNilton Curi OriginalPaper 11 June 2021 Pages: 18 - 34
Variable-rate seeding in soybean according to soil attributes related to grain yield Eder Eujácio da SilvaFabio Henrique Rojo BaioPaulo Eduardo Teodoro OriginalPaper 16 June 2021 Pages: 35 - 51
Suitability of satellite remote sensing data for yield estimation in northeast Germany Claudia VallentinKatharina HarfenmeisterDaniel Spengler OriginalPaper Open access 17 June 2021 Pages: 52 - 82
Potential of fertilizer segregation during application using spinner disc spreader Ravinder K. ThaperJohn P. FultonOladiran O. Fasina OriginalPaper 11 June 2021 Pages: 83 - 100
Multi-temporal analysis of terrestrial laser scanning data to detect basal stem rot in oil palm trees Nur A. HusinSiti Khairunniza-BejoDesa Ahmad OriginalPaper 01 July 2021 Pages: 101 - 126
Direct prediction of site-specific lime requirement of arable fields using the base neutralizing capacity and a multi-sensor platform for on-the-go soil mapping Sebastian VogelEric BöneckeRobin Gebbers OriginalPaper Open access 26 July 2021 Pages: 127 - 149
Effects of intra-vineyard variability and soil heterogeneity on vine performance, dry matter and nutrient partitioning Matteo GattiAlessandra GaravaniStefano Poni OriginalPaper Open access 27 July 2021 Pages: 150 - 177
Quantification of dwarfing effect of different rootstocks in ‘Picual’ olive cultivar using UAV-photogrammetry Jorge Torres-SánchezRaúl de la RosaFrancisca López-Granados OriginalPaper Open access 31 August 2021 Pages: 178 - 193
Application of visible near-infrared absorbance spectroscopy for the determination of Soil pH and liming requirements for broad-acre agriculture Bethany SleepSean MasonLuke Mosley OriginalPaper 10 August 2021 Pages: 194 - 218
Field assessment of a pulse width modulation (PWM) spray system applying different spray volumes: duty cycle and forward speed effects on vines spray coverage Marco GrellaFabrizio GioelliPaolo Balsari OriginalPaper Open access 14 August 2021 Pages: 219 - 252
Identification of main factors affecting the within-field spatial variability of grapevine phenology and total soluble solids accumulation: towards the vineyard zoning using auxiliary information N. Verdugo-VásquezC. Acevedo-OpazoB. Tisseyre OriginalPaper 15 September 2021 Pages: 253 - 277
Use of fluorescence indices as predictors of crop N status and yield for greenhouse sweet pepper crops Romina de SouzaM. Teresa Peña-FleitasFrancisco M. Padilla OriginalPaper Open access 09 September 2021 Pages: 278 - 299
Coffee ripeness monitoring using a UAV-mounted low-cost multispectral camera Jorge Tadeu Fim RosasFrancisco de Assis de Carvalho PintoRodrigo Nogueira Martins OriginalPaper 26 August 2021 Pages: 300 - 318
Precision agriculture technology adoption: a qualitative study of small-scale commercial “family farms” located in the North China Plain Helen KendallBeth ClarkLynn. J. Frewer OriginalPaper Open access 12 September 2021 Pages: 319 - 351