WebThe objective of this study was to investigate the phenological stages initiation, development stages duration, growing degree days (GDD) accumulation and heat unit efficiency (HUE) of seed yield, using the complete block design with four replications. 200 kg calcium superphosphate (15.5% P 2 O 5 Web6. apr 2024 · This research aimed to evaluate the effects of salt stress, varying the phenological stages, and K fertilization on NPK concentrations, physiology, and production of Passiflora edulis Sims. The research was carried out at the University Farm of São Domingos, Paraíba, Brazil, using a randomized block design with a 6 × 2 factorial …
Plant phenological online database (PPODB) - Other projects
Web7. máj 2014 · Loss of tissue to disturbance in such a strategy, however, may impart a relatively higher cost, as regrowth would be much slower. This major phenological trait axis—of early and fast versus later and slower—has been noted by many researchers (e.g. Lechowicz 1984; Sun and Frelich 2011), but an additional strategy may be viable in the … WebPhenology is the timing of seasonal events such as budburst, flowering, dormancy, migration and hibernation. Some phenological responses are triggered by mean temperature, while others are more responsive to day length or weather. Altitude and the amount of urbanisation have an effect on temperature and, consequently, on phenology. farberware black measuring spoons
Guidelines to phenological observations
WebDuring the periods from the beginning to the end of the phenological phases in question, weekly observations shall be made on the same day of the week. eur-lex.europa.eu Pendant les périodes allant du début à la fin des phases phénologiques en question, il sera procédé à des observations hebdomadaires effectuées le même jour de la semaine. Web29. jan 2024 · The phenological metrics extracted include the Early vegetative state, anthesis state, physiological maturity state, length of cropping season, asymmetry, green-up slope, and brown down slope. This study also offers two new perspectives for further work: the first is on crop classification using phenological criteria, and the second is a ... Web1. máj 2024 · Phenological traits in the PPO are defined in terms of one or more plant structures associated with the trait. For instance, the trait ‘true leaf presence’ is defined as “A ‘plant phenological trait’ that is measured by the number of true leaves on a ‘whole plant”’. The PPO provides similar “presence” traits for many other ... farberware bed bath and beyond