Our Land.

AgroLiquid’s North Central Research Station includes 763 tillable acres on 12 farms.

NCRS map 2014

North Central Research Station

AgroLiquid owns and operates a nearly 1,000 acre research facility. Ten full-time staff research the performance of our uniquely developed plant nutrition.  With scientifically designed replicated plots on a wide range of row crops, fruits, vegetables and trees, the North Central Research Station helps answer questions and develops sound recommendations for our products.


Wilhm_JerryJerry Wilhm, Senior Research Manager

Jerry joined AgroLiquid in 1992 and started the Research Department at that time.  He began the North Central Research Station with Mr. Cook and Mr. Bancroft in 1994 with 30 acres, and has overseen its growth since that time.  He also coordinates off-site and contract research.  While overseeing the entire Research Department, Jerry works primarily with field crops.  He grew up in Oklahoma and received his Bachelors and Masters degrees in Agronomy from Oklahoma State University, and his Ph.D. in Crop and Soil Sciences from Michigan State University.  He worked in the ag-chemical industry prior to joining AgroLiquid.



Eccleton_JayJay Eccleton, CGCS, NCRS Department Manager

Jay joined the North Central Research Station staff in January of 2015. He brings over 25 years of experience in the golf course industry.  Jay’s background in agronomics and customer service are an asset to an already highly skilled NCRS team.  Jay graduated from Michigan State University with a Bachelor of Science Degree in Crop and Soil Sciences in 1995.  His responsibilities involve the oversight of the operation of the NCRS and coordinate with the research managers and staff to help facilitate a seamless transition of research and reporting.



Zelinko_StephanieStephanie Zelinko, MSA, Field Agronomy Research Manager

Stephanie started in the spring of 2000 after graduating from Michigan State University with a Bachelor’s degree in Crop and Soil Sciences.  She also has Master of Science in Research Administration from Central Michigan University. Growing up on a cash crop farm in  Michigan, she has been in agriculture her entire life.  Stephanie and husband Ryan also farm in Central Michigan using AgroLiquid products.  She focuses on field crop research and data management at the NCRS.



Duckert_TimTim Duckert, Field Agronomy Research Manager

Tim started at the North Central Research Station in March 2012.  He comes with many years of experience in field research mainly involving sugarbeets and dry beans.  Tim grew up on a large family farm in Michigan’s thumb and worked 5 years on a large farm in Northern Illinois.  Tim has a Crop Production Certificate and a Bachelors’ degree in Crop and Soil Science from Michigan State University.


Massri_ZoucheirZouheir Massri, Special Projects Research Specialist

Zouheir joined AgroLiquid in the spring of 2015 as a soil scientist.  He is directing research involving movement and persistence of plant nutrients and formulation effects.  Zouheir is a native of Syria and obtained his B.S. and Higher Education Diploma in Syria, Soil Fertility Specialization in Italy, and his Ph.D. in Soil Physics from Kuban State University in Russia.  Zouheir has been in the US for several years, most recently at Michigan State University.  He has published extensively in agronomic research, including journal articles and training manuals.  He was previously a key supervisor of research in soil and water programs in the International Center for Agricultural Research in the Dry Areas (ICARDA).


Brown_Jeff 2Jeff Brown, NCRS Agronomy Specialist

Jeff began with AgroLiquid as in intern in the summer of 2011.  After graduating from Michigan State University with his Bachelor’s degree in Crop and Soil Sciences he worked as an agronomist on a mint farm in Central Michigan. In January of 2013 he started full time at the North Central Research Station where he will help with plot development and daily activities at the station.



Dush_PhilPhil Dush, NCRS Assistant

Started in 2003 assisting with the daily activities at the North Central Research Station. His past experiences working in local ag business has been an asset to the research operation.  Phil also farms part time with his brother, using AgroLiquid.

Davis_RonRon Davis, NCRS Equipment Technician & Fabrication Specialist

Started in the spring of 2010 to assist with the fabrication operations of the North Central Research Station. Ron will also assist with field work at the NCRS.