Results 221 to 230 of about 62,074 (317)

Contribution to the HiStory series in Plant Nutrition

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Three nitrogen issues dominated the scientific debates from the middle of the 19th century: (1) Is fertilization with nitrogen necessary at all, which was prominently questioned by Justus von Liebig. (2) How can one explain the special nature of legumes with regard to the nitrogen budget in agricultural systems.
Wolfgang Böhm, Alexander H. Wissemeier
wiley   +1 more source

The Evolution of Multidisciplinary Head and Neck Cancer Treatment

open access: yesThe Laryngoscope, EarlyView.
ABSTRACT Objective The management of head and neck squamous cell carcinoma (HNSCC) has substantially changed over the past two centuries. This review explores the historical progression of HNSCC management focusing on the multidisciplinary treatment paradigm.
Kevin J. Contrera   +6 more
wiley   +1 more source

Ancient levantine demography follows ecological stochasticity. [PDF]

open access: yesSci Rep
Wachtel I   +3 more
europepmc   +1 more source

An Account of Roman Surgical Treatments for Ozena: Historical Review

open access: yesThe Laryngoscope, EarlyView.
This historical study investigates ancient Roman surgical techniques for treating ozena as described by Celsus, with a focus on its historical and etymological context. Independent translation and archaeological evidence contextualize two ancient procedures: closed nasal cauterization using a heated probe and an open approach involving dissection and ...
Perry Hammond   +2 more
wiley   +1 more source

DISCO: A low‐cost device‐instrumented Secchi disk for water clarity observations

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Water clarity regulates irradiance penetration in aquatic environments, influencing physical and biological dynamics: irradiance penetration affects heat transfer in the water column and provides energy through photosynthetically active radiation (PAR) in the euphotic zone, which is vital for light‐dependent organisms.
Gaia Donini, Sebastiano Piccolroaz
wiley   +1 more source

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