We have partnered with Natural Resources Conservation Service under a Conservation Innovation Grant to conduct field research to evaluate the potential of reduced spring tillage for California rice farming systems. The project focuses on the feasibility of the Amazone Ceus-2TX trailed disc harrow cultivator combination in California rice farming operations. 


This implement has the potential to provide great benefits for the California rice industry through reduction of spring tillage passes, reducing the ecological footprint of seedbed preparation through reduced PM from tractor hours. We are also interested in reducing spring tillage due to the potential for reduced fuel costs, earlier planting leading to earlier harvest with less weather impacts (e.g. rain or smoke days), better control of herbicide-resistant weeds, and potential air-quality improvements due to reduced dust and tractor emissions.


Typical spring tillage for rice involves six to eight tractor passes that include chisel plowing, disking and planting before applying fertilizer, and rolling the field in preparation for planting (Lindquist, et al. 2008). On our specific family farm, we typically chisel twice, disc twice, and sometime conduct a third chiseling depending on soil moisture conditions, for a total of 4-5 spring tillage operations. This is then followed by fertilizer application in the ground with a light chisel and rolling to prepare rice seedbed, cumulating a total of 6-7 passes each spring. With this grant we seek to explore the cultural effectiveness, environmental benefits and economics of a new innovative implement that has the potential to reduce spring tillage passes by 50%, reducing the 4-5 chisel/discing to only 2-3 passes.


Our family is excited to see if we can have 
50% reduction in spring tillage while maintaining rice yields! 


Check back for updates on the project or feel free to contact us to learn more. Ryan Schohr ryan@schohr.com or 530-570-7926. 

AmazoneCeus in Action 

Project Summary Fact Sheet




Learn more about research project outcomes in our annual summary reports! 




Photo Gallery

NRCS out to visit rice harvest and learn about conservation projects on the farm. 
Amazone tools prepping the soil for planting.
Getting the Amazone tools set up on the family farm. 
Project Team and Collaborators getting the tool in the field for testing.
NRCS with the Amazone tool we are trialing to reduce spring tillage and improve fall crop residue decomposition. 
Spring 2022 spring tillage reduced by 50% with Amazone tool. w
Amazone implement just out of the field from trial run! 
Pre-Testing Amazone prior to rice planting season in March 2022 under various field conditions.