- The soil may be hard where there has not been recent rain. It will be important for the sampler to make certain that the core is the correct depth and not to give up if the going gets tough. If a core comes out of the sampling tube incomplete, discard it and redo the sample a few feet over.
- Don’t work the land before the sampler arrives. The ability to take a 0-6 inch core required for P, K, organic matter, zinc, and surface nitrates (necessary for sugar beet recommendations) is much degraded if the soil is worked, particularly after chisel plowing or (God forbid) deep chiseling or plowing.
- When sampling, do not take samples from the headlands, or the turn rows around sloughs, because these areas have legacy overlap inherent with fertilizer/manure application. Make a mental note not to sample within 100 feet roughly of the edge of the field or around obstacles that would have resulted in applicator turning. The exception to this is in zone sampled fields with salty areas next to roads/sloughs. These should be sampled as a zone, because the NPK fertility in these areas will probably be vastly different than the rest of the field and fertilizer savings can be achieved by identifying these areas.
- To build zones, use multi-year yield mapping data, aerial imagery of growing crops, satellite imagery from growing crops, soil EC or EM sensor data if available, and topography if it can be identified and properly modeled (raw elevation data should not be used as it usually does not indicate a landscape position). The Web soil survey should not be used as a first zone development tool. It was not designed for this purpose and the boundaries are usually misleading.
- Know that nitrate sampling, or sampling for K for that matter, are moving targets and there is a plus-minus value at the end of analysis. Persistent dry weather after sampling will result in a spring value that is similar in nitrate to what is found now. Wetter weather may result in a bloom of nitrate, but this late in the season the increase in nitrate will be small, if seen at all. Nitrate may be immediately tied up in residue breakdown, with the awakened microorganisms that have been dormant all season. K values are at their lowest now through early September and if it stays dry, the K values will be low through fall. However, freeze-thaw and any moisture during winter/early spring will increase values, so next April the highest K values of the year are seen. It is best to analyze for K at about the same time during the year each time K is analyzed (it doesn’t have to be every year) to make sure that the relative values of K can be tracked and not be confusing.
- Plant Science
- Plant Pathology
- Diagnostic Lab
- Around the State
- Weather Summary/Outlook
Crops in the Brownton, Minnesota area weren’t looking too bad until this last week. That’s according to farmer Jeff Kosek, who serves on the Northarvest Bean Growers Association board of directors. The area hasn’t received any measurable rain since around July 7. Hear more in the Dry Bean Scene made possible, in part, by Northarvest.
According to USDA’s Crop Progress Report, dry edible bean condition in North Dakota rated 20% very poor, 34% poor, 35% fair, 9% good, and 2% excellent. Blooming was 88%, ahead of 76% last year, and equal to average. Setting pods was 60%, ahead of 44% last year, and near 58% average.
Topsoil moisture supplies in North Dakota were rated 45% very short, 46% short, 9% adequate, and 0% surplus. Subsoil moisture supplies rated 50% very short, 36% short, 14% adequate, and 0% surplus.
In Minnesota, dry beans rated 9% very poor, 19% poor, 52% fair, 20% good, and 0% excellent. Blooming was 96%, ahead of 95% last year, and 88% average. Setting pods was 83%, ahead of 76% last year, and 61% average.
Topsoil moisture supplies in Minnesota were rated 42% very short, 39% short, 19% adequate and 0% surplus. Subsoil moisture supplies were rated 39% very short, 42% short, 19% adequate and 0% surplus.
Get the latest Crop Progress numbers.
Northarvest Bean Grower – Our Mission:
NHBGA, growers representing growers through the check-off system, is North America’s largest supplier of quality dry beans. Working together to better the industry through promotion, research, market development, education of consumers and monitoring of governmental policy. Our future goals must be continued market exposure and careful monitoring of new ideas, consumer choices, and producer needs.
4844 Rocking Horse Circle S, Suite 2 Fargo, ND 58104