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Transportation Issues Affecting Ohio Harvest Completion
Ohio Ag Connection - 11/24/2021

Finding storage for harvested grain in parts of Ohio has become complex due to good corn yields, terminal elevators access to move grain out via rail, and some traditional storage not being available, reports two Ohio State University experts.

It is unknown when the ability to accept grain at some terminals will improve, reports Greg LaBarge, CPAg/CCA, professor and field specialist in Agronomic Systems with Ohio State University Extension, and Amanda Douridas, M.S., Champaign County Ohio State University Extension educator in Agriculture and Natural Resources.

This situation has put some farmers without storage, or storage that is full, in a difficult position to complete the 2021 harvest. Economic decisions will need to be made soon, and none are ideal.

The two Extension experts note that one option may be to haul grain to alternative markets. The availability of trucking and the cost of that trucking will impact this economic decision. A spreadsheet to estimate cost per bushel of trucking is available from the University of Kentucky at https://bit.ly/3xjCEul. It is recommended to check with these alternative markets before heading their direction.

What losses to expect if the grain is left in the field?

Several years ago, Ohio State's Peter Thomison conducted a study that evaluated the effects of four plant populations (24,000, 30,000, 36,000, and 42,000 plants/A) and three harvest dates (early-mid October, November, and December) on the agronomic performance of four hybrids differing in maturity and stalk quality. The study occurred at three locations in Northwest, Northeast, and Southwest Ohio over three years for a total of eight experiments. This study provides insight into yield losses and changes in grain moisture and stalk quality associated with delaying harvest. Key findings from this research are:

- Yield losses between mid-October to December averaged 13%, with 90% of the losses occurring after mid-November.

- Grain moisture decreased nearly 6% between harvest dates in October and November. Delaying harvest after early to mid-Nov. achieved almost no additional grain drying.

- Higher plant populations resulted in increased grain yields when harvest occurred in early to mid-October. Only when the harvest was delayed until mid-November or later did yields decline at plant populations above 30,000/acre.

- When the harvest was delayed, hybrids with lower stalk strength ratings exhibited greater stalk rot, lodging, and yield loss. Early harvest of these hybrids eliminated this effect.

- The greatest increase in stalk rot incidence came between harvest dates in October and November. In contrast, stalk lodging increased most after early-mid November.

- Harvest delays had little or no effect on grain quality characteristics such as oil, protein, starch, and kernel breakage.

In this study, yields averaged across experiments, populations, and hybrids decreased about 13% between the October and December harvest dates. Most of the yield loss, about 11%, occurred after the early-mid November harvest date. In three of the eight experiments, yield losses between October and December harvest dates ranged from 21 to 24%. In the other five experiments, yield losses ranged from 5 to 12%.

Grain moisture content showed a decrease from the October to November harvest dates but little or no change beyond the November harvest dates. Grain moisture decreased 6.3% points between the October and December harvest dates when results are averaged across experiments, hybrid, and plant populations. Most of the decrease in moisture occurred between the October and November harvest dates (5.8 % points); only a 0.5% point decrease after early-mid November Population effects on grain moisture content were not consistent. Differences in grain moisture were evident among hybrids on the first harvest date in early-mid October but were generally negligible later.

Agronomists at the University of Wisconsin have developed a "Field Loss Calculator" Excel spreadsheet available at: corn.agronomy.wisc.edu/Season/DSS.aspx that allows producers to calculate the costs of harvesting today versus allowing the crop to stand in the field and harvesting later. The spreadsheet accounts for higher drying costs versus grain losses during field drying. In addition, the tool allows the user to account for elevator discounts and grain shrink.

Identifying places around the farm for temporary new storage may be an option, LaBarge and Douridas point out. The storage capacity of a building, silo, pile, or bags can be determined with a calculator provided by the University of Kentucky at https://bit.ly/3DM1e9K

The most critical factor in alternative storage is keeping grain dry and cool. That means it must be dry and cool going into the storage facility. Aeration is not an option in most alternative storage situations. Some general considerations regardless of the alternative chosen are:

What is the current grain moisture? Corn should be below 15%, and soybeans should be under 13% moisture before going into alternative storages (Gucker, 2018).

Does the storage have options for aeration? When the grain needs to be moved in the spring will be affected by the ability to manage the climate. No aeration means moving the grain before planting.

How can grain be loaded for transport?

LaBarge and Douridas said the following are some considerations for the most likely alternatives.

Flat storage in a farm building. Grain pushing against walls of buildings not designed for grain storage will create damage, according to NDSU agricultural engineer and grain storage expert Ken Hellevang. Walls must be properly anchored. Pole barns will likely need a grain wall built. The best course of action to prevent damage is to hire a structural engineer to ensure proper support is in place. If you have previously used a barn for storage, he recommends looking over the building for signs of misalignment. These could signal damage and indicate areas where the structure may fail if loaded again with the grain.

Grain piles pose a lot of potential for loss, especially in our wet climate. The ability to use a cover will reduce loss, which can be up to 2ft deep into the pile with a couple of 1" rain events. This loss can easily result in $30,000-$40,000 worth of grain with today's current prices. The convenience of loading and unloading grain bags in the field and the low cost (6-7 cents/bu) has made this an appealing option for some farms. Grain bags are an alternative storage method that may be more economical than constructing permanent bins. Equipment required includes a bagger and an unloader. Renting this equipment may be an option.

More detailed information on flat storage and piles can be found in Temporary Grain Storage Considerations from Purdue at https://bit.ly/30ZArbP

Polybags are a sound option and are frequently used for the storage of agricultural products, said LaBarge and Douridas.

These bags are thicker than a standard silage bag with a minimum thickness of 9 mils, with 9.3 mils being even better. Again, because drying and aeration are not an option once in the bags, grain should be cool and dry going in. To store in bags, Hellevang (2018) recommends the following:

- Select an elevated, well-drained site for the storage bags. Run the bags north and south so solar heating is similar on both sides. Sunshine on just one side heats that side, which can lead to moisture accumulation in the grain and spoilage on the cool side.

- Monitor the bags for damage [at least weekly]. Wildlife can puncture the bags, allowing moisture in, which can lead to spoilage and the grain smell being released, which attracts more wildlife.

- Monitor the grain temperature at several places in the bags.

- Never enter a grain bag because it is a suffocation hazard. If unloading the bag with a pneumatic grain conveyor, the suction can "shrink wrap" a person.

When using alternative storage, LaBarge and Douridas said farmers should notify their insurance company to ensure this storage is included on policies against losses from environmental and wildlife damage. It would be best if farmer also planned to move grain out of these storage situations before the weather warms in the spring to prevent condensation and moisture buildup, they add.

Finally, continually check moisture and pest infestations.

Alternative storage options are a great way to improve harvest efficiency and capture potentially higher prices after harvest. Thoroughly investigate each storage option before using it to ensure it fits into your operation, offer an economic advantage above selling it directly out of the field and preserve the grain quality for the intended storage time.


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