نتایج جستجو برای: critical period
تعداد نتایج: 947778 فیلتر نتایج به سال:
Journal:
:International Journal of Number Theory
2016
Journal:
:Nature
2019
Journal:
:The Journal of Agricultural Science
2021
Abstract Weeds are a major biotic constraint to the production of crops. Studies on critical period weed control (CPWC) consider yield loss due presence all weeds present in crop cycle. The CPWC is time interval between timing removal (CTWR) and weed-free (CWFP), before after extremes CTWR CWFP may not significantly reduce yield. taken into consideration density or biomass individual (annual pe...
Journal:
:Journal of Differential Equations
1993
Journal:
:Schizophrenia Research
2013
Journal:
:Epilepsy Currents
2004
Journal:
:HortScience
2004
Journal:
:British Journal of Psychiatry
2005
Journal:
:Studies in Second Language Acquisition
2000
Journal:
:Proceedings of the National Academy of Sciences
2015
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