UC Rice Blog

As you know, we have been monitoring armyworm flights with pheromone traps across the valley since 2018. This year, the first set of traps were put out on 4/10 near Princeton, and today we put out a few more. We checked the first traps today, and we got an average of 2 moths per night per trap.

In the past few weeks, we have been getting updates from some irrigation districts that water allocations have been reduced in some areas. We have provided some information in past years that will still be relevant this year. During drought years water deliveries are often restricted.

We have gotten several calls about the use of zinc (Zn) fertilizers to address potential Zn deficiencies. The price of zinc is going up, and it is prompting growers to look more carefully at the use of zinc.

Weeds are important pests of California rice systems, and weed management can account for roughly 17 percent of total operating costs, according to a UC cost of production study. Integrated weed management uses cultural and chemical practices and considers the following: Prevention (e.g.

During the January UCCE Rice Winter Grower meetings I asked the audience a number of questions related to how they managed rice in 2019 when they planted during or after the mid to late May rains.