NDSU Extension - Ramsey County


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September 17, 2012 Agriculture Column


Wow the harvest is really moving along and now with the addition of frost corn will even be closer.  I noticed a little patch east of Devils Lake that has been harvested.  I am quite sure the corn was not dry but whatever the corn had been harvested.

Hay bale probe

This year more than ever we need to be checking our feedstuffs for feeding requirements for our livestock. I have heard of some CRP hay coming back with only 6% protein and less meaning supplemental feeding will be required to maintain a good body score in our cows and for those of you feeding that same hay to growing calves.  I HAVE PURCHASED A HAY PROBE FOR YOU TO USE ON SAMPLING YOUR HAY BALES.   This probe used a portable drill and will core your bales for a good general sample.  Once you have sampled your hay bales we will send them to Dairyland lab testing for feed analysis.  Once we have the differing feed analysis we can then enter that information into a analyzer for your options of feeding the feedstuff to differing livestock groups.

Should we or should we not plant winter wheat???

Below is an article published by Joel Ramsom (NDSU Extension Agronomist).  This is a good guideline for planting winter wheat, however we need to remember that winter wheat does need to germinate (vernalize) to be a productive plant the following season.  Winter wheat can grow in the spring if not germinated in the fall but the chances of producing a viable head is not very likely.  See script below for more info.

The unusually warm summer this year now means that there are many acres that have been harvested that potentially could be planted to winter wheat. Unlike last year when there was plenty of soil moisture around, it appears that the lack of rainfall could be a deterrent to winter wheat planting, at least to getting it planted during an optimum period. Our current recommendations are to plant winter wheat in the northern tier counties by the middle of September and the rest of the state by October 1st. Unfortunately, there does not appear to be any rain in the forecast. Planting into dry soil and waiting for rain is a viable option. In this scenario, put the seed about an inch deep so that it will be able to emerge quickly once rainfall is received. Though seeds that just begin the germination process will vernalize (meet the necessary cold requirement to produce a spike in the summer), a much larger seedling typically has a better chance of overwintering and being more productive. In the last three years of our research, the early planted treatments have always been more productive than those planted later than optimal, though the difference was not always large, depending on the year and the variety grown. If the warm weather we are currently experiencing spills over into the October; there should be ample time to produce a productive seedling, even if rain is delayed a week or two more.

The following are some guidelines to consider when planting winter wheat late or in conditions where it may germinate and emerge late.

  • Increase your seeding rate by about 150,000 to 200,000 seeds per acre. There is no advantage to seeding more than 1.8 million seeds per acre, however.
  • Select more winter hardy varieties. Late planted seedlings will be small as winter approaches and will be more prone to winter injury, particularly if there is little snow cover this winter. A winter hardy variety will help reduce the risk of winter injury and be more productive when conditions are conducive to winter injury. Check the most recent NDSU Winter Wheat Selection Guide (http://www.ag.ndsu.edu/pubs/plantsci/smgrains/a1196.pdf) for information about the winter hardiness of varieties currently available for planting.
  • Plant into standing stubble if you have a choice.  Standing stubble will catch snow, if there is any, and help insulate the crop during the winter.  Since late plantings are more prone to winter injury, management practices that increase the likelihood of warmer soil temperatures will improve the chance of winter survival.
  • Add some phosphorous with the seed. This is especially true if your soil test for P is low. P helps to develop strong roots and crown tissue which will aid in the overwintering processes. The rate of P applied, should be limited by the amount of N that is applied with the P. With narrow rows, nitrogen should not exceed about 15 lbs/acre with the seed, particularly in these dry conditions. With wider rows, be more conservative with the rate.
  • Consider treating your seed with fungicides and possibly an insecticide. Since the seed may lay in the soil for an extended period before germination, a fungicide applied to the seed will help protect it from diseases and an insecticide will be beneficial especially if wireworms are likely to be present.
  • Joel Ransom, NDSU Extension Agronomist

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