PURR Registry

Subject

Agronomy 1

Creator

Type

Dataset 4

Date

2021 4

subject: Agriculture date: 2021

Total is 4 Results

Laryngeal demasculinization in wild Cane Toads varies with land use

10.4231/VWVS-M579

Marcos Gridi-Papp , Sara Zlotnik , Ximena E Bernal

03/04/2021

We examined wild populations of cane toads near sugarcane fields in Florida and found evidence of demasculinization in both primary and secondary sexual traits in male toads. Males from sugarcane areas have reduced larynges than toads from the city.

Agriculture biological sciences cane toads Ecophysiology Endocrine disruptor Vocal cords

Arequipa Peru Agricultural Soil Chemistry with pXRF and VNIR spectroscopy

10.4231/MFTM-QC39

Abigail Tomasek , Cliff T Johnston , Darrell G Schulze , Erika J Foster , Juan Lopa Bolivar , Lucia Zuniga , Martha Jimenez Castaneda , Martin Villalta Soto , Sabina Yeasmin , Timothy Filley , Walter D. Leon-Salas , Zachary Brecheisen

05/05/2021

Soil chemistry data for two agricultural areas: an irrigated desert in the Majes District and sites around the City of Arequipa. Data include soil wet chemistry (pH, EC, carbon, etc), and portable X-ray fluorescence and visible near infrared...

Agriculture Arequipa Nexus Institute EAPS Peru proximal spectroscopy soil chemistry soil health soil reflectance visible near infrared x-ray fluorescence

Dataset: Influence of phosphorus and potassium nutrition on alfalfa taproot reserve pools during cold acclimation in fall and initial growth in spring. Years 2002 to 2004. Throckmorton Purdue Agriculture Center.

10.4231/5BQ9-2V23

Jeffrey J. Volenec , Suzanne M. Cunningham , Sylvie M. Brouder , W. Kess Berg

08/13/2021

Concentrations of sugar, starch, protein, amino N, and RNA change in alfalfa taproots as plants acclimate for winter and when shoot growth resumes in spring. The direction and extent of these changes are altered by phosphorus and potassium...

Agriculture Agronomy Alfalfa Amino Acid growth Medicago Nonstructural carbohydrates Phosphorus Fertilizer Plant persistence Potassium Fertilizer Protein Roots Shoot growth Starch reserves Sugar reserves Winter hardiness Yield components