Hauv xyoo 2019, cov ntaub ntawv tau sau los txheeb xyuas 100,000 tus kws tshawb fawb thoob ntiaj teb raws li lawv cov kev tshawb fawb luam tawm (Ioannidis li al., \ 2019). Qhov no cov ntaub ntawv muaj nyob rau hauv cov ntaub ntawv standardized metrics uas txhais tau tias cuam tshuam ntawm lawv cov hauj lwm scientific. Cov ntaub ntawv tau hloov kho xyoo 2020 (Ioannidis li al., 2020) thiab muaj ob yam: cov ntaub ntawv cuam tshuam txog kev ua haujlwm ntev (kev tshawb fawb luam tawm ntawm 1996 thiab 2019) thiab ib lub xyoo snapshot cov ntaub ntawv (kev tshawb fawb luam tawm xyoo 2019). Ob daim ntawv teev cov ntaub ntawv tau txais txiaj ntsig zoo hauv qhov uas thawj zaug saib ntawm kev tsim khoom mus sij hawm ntev ntawm tus kws tshawb fawb thiab tom kawg saib ntawm kev ua tau zoo nyob rau xyoo tsis ntev los no - uas yog qhov tseem ceeb tshwj xeeb tshaj yog rau cov kws tshawb fawb yau uas tsis muaj sijhawm ntau npaum li lawv cov ntawv tshaj tawm. cov lus qhia.
Xya tus xibfwb hauv Department of Horticulture ntawm Michigan State University tau nyob rau saum 2% ntawm lawv daim teb raws li cov ntaub ntawv ua haujlwm ntev: Randy Beaudry, Bert Cregg, Jim Hancock, Jiming Jiang, Muraleedharan Nair, Brad Rowe, thiab Erik Runkle. Tsis tas li ntawd, xya ntxiv rau tsib tus kws qhia ntawv Horticulture tau teev nyob rau hauv 2019 cov ntaub ntawv saum toj kawg nkaus 2% xyoo: Cornelius Barry, Dan Chitwood, Patrick Edger, Kristin Getter, thiab Ning Jiang.