Bruce Anderson - Emeritus Extension Forage Specialist

Bruce Anderson

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Emeritus Professor Agronomy & Horticulture University of Nebraska–Lincoln

Work Keim Hall (KEIM) 314

Lincoln NE 68583-0915

Work 402-472-6237 On campus, dial 2-6237

banderson1@unl.edu

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Faculty Bio

Alfalfa Harvest Delayed? Adjust Cutting Height

June 1, 2016

Two weeks of intermittent rains have delayed alfalfa harvest for many producers. As of Sunday, May 29, first cutting had been taken on 31% of the state's alfalfa crop, ahead of last year's 19% and the five-year average of 27%. If you weren't one of the lucky growers who got theirs cut and put up before more more rains came, you may want to consider adjusting your cutting height.

Potato Leafhoppers Feeding in Alfalfa Earlier than Normal

May 25, 2016

Potato leafhoppers have been reported in alfalfa in southeastern and northeastern Nebraska. This is somewhat earlier than usual and growers should be alert to potential damage and protecting their alfalfa where numbers indicate treatment thresholds would be met.

Assess Condition of Alfalfa Fields at First Harvest

May 19, 2016

First cutting of alfalfa is here or approaching rapidly and presents a good time to evaluate field conditions and plan management.

Cutting Excess Pasture for Hay

May 12, 2016

With all the rain we've had this spring, pastures may have excess grass growth that can be like money in the bank if used efficiently. For good quality hay and better regrowth potential, cut as seedheads are about to emerge.

Fertilizing Cool-Season Pastures in May

May 12, 2016

Most pastures have good soil moisture from spring rains. Fertilizing now might help you take advantage of that moisture for increased grass growth.

Figure 1. Common ragweed (Ambrosia artemisiifolia) (Photo by Amit Jhala)

Reducing Ragweed in Pastures

May 4, 2016

Ragweed has exploded in some pastures in recent years. It takes time, and a well-planned approach such as described here to control ragweed in pastures. With good grazing, some spraying, and timely shredding it can be done.

Postemergence Weed Control in Alfalfa

May 4, 2016

With all the recent moisture, alfalfa is growing well — as are broadleaf and grassy weeds in the alfalfa. Here are a couple methods for controlling weeds before they affect alfalfa yield.

How Early Can Alfalfa be Cut?

April 28, 2016

First cutting often is the most important cutting of the year. It usually produces the most yield and its forage quality changes fastest from day to day. Alfalfa started growing like gangbusters this spring, is almost knee high in some places, and could be ready to cut soon.