Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
University of California
Division of Agriculture and Natural Resources

UC ANR scientist debates conservation tillage practices with industry leader

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Alan Wilcox of Wilcox Agri-Products and UC Cooperative Extension specialist Jeff Mitchell debated the challenges and opportunities for increased implementation of conservation tillage practices on California farms during the World Ag Expo in February, reported Alan Stenum in Farm Equipment magazine.

Wilcox said farmers are going to be resistant to anything they suspect will affect yield. Mitchell said creative innovation underway will have a big impact on some of the more challenging crops that are grown in California.

Alan Wilcox, left, and Jeff Mitchell debate the challenges and opportunities for conservation tillage. (Photo by Farm Equipment magazine, used with permission)

"This is a region where costs are high. The cost of doing business is high, and maximum yields on any crop are important to even break even," Wilcox said. "We're going to be intensely committed to water management and the maximum amount of water."

Mitchell said farmers in other parts of the U.S. started to switch to reduced disturbance no-till systems to conserve water.

"The recognition of the value of that opportunity to reduce soil water evaporation and have more water going through the crops through transpiration hasn't really sunk in here in California in large fashion," Mitchell said.

While Mitchell noted that water is essential to the discussion of conservation agriculture, there are other important aspects to consider.

"Biological cycling of nutrients in the soil, tightening up the system so there are fewer losses, either to the groundwater as some sort of pollution, or improving the overall soil function and nutrition provision capacity of the soil - that's not a small aspect of the overall system, nor are the opportunities for reducing costs," Mitchell said.

Wilcox said he would characterize the argument differently.

"The point is in all of our tillage strategies - and in every situation - we never compromise yield," he said.

Read the complete debate in Farm Equipment magazine.

More information about the use of conservation agriculture practices can be found on the UC Conservation Agriculture Systems Innovation website.

Posted on Thursday, June 14, 2018 at 8:46 AM
Focus Area Tags: Agriculture

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