Winter Application of Manure in Ohio

With the colder weather, some livestock producers will be applying manure on frozen ground. Here are some things to keep in mind. For the article below, frozen ground would be soil that you cannot inject the manure into or cannot conduct tillage within 24 hours to incorporate the manure.

Permitted farms are not allowed to apply manure in the winter unless it is an extreme emergency, and then movement to other suitable storage is usually the selected alternative. Several commercial manure applicators have established manure storage ponds in recent years to help address this issue.

In the Grand Lake St Marys (GLSM)watershed, the winter manure application ban from December 15th to March 1st is still in effect. Thus, no manure application would normally be allowed in this time period.

For producers in the Western Lake Erie Basin (WLEB) watershed, the House Bill 1 rules established in 2016 are still in effect.

The Natural Resource Conservation Service (NRCS) Code 590 was revised in 2020 and now applies statewide in Ohio (except to GLSM & WEBL).  It states the surface application of manure on frozen and snow-covered soil is not acceptable unless it is an emergency. An emergency exists as a temporary situation due to unforeseen causes and after all other options have been exhausted. In this situation only limited quantities of liquid manure shall be applied to address manure storage limitations until non frozen soils are available for manure application. The Ohio Department of Agriculture will only enforce NRCS 590 in counties outside of GLSM and WELB if there is a manure discharge from the field. If a citation is issued for a discharge, it will be based on the 590 standards.

All applications of liquid manure to frozen and snow-covered soils must be documented in the producers’ records and must be applied in accordance to ALL the following criteria:

• The rate of application shall not exceed the lesser of 5,000 gallons/acre or P removal for the next crop.

• Applications are to be made on land with at least 90% surface residue cover (cover crop, good quality hay or pasture field, all corn grain residue remaining after harvest, all wheat residue cover remaining after harvest).

• Manure shall not be applied on more than 20 contiguous acres. Contiguous areas for application are to be separated by a break of at least 200 feet.

• Apply manure to areas of the field with the lowest risk of nutrient transport such as areas furthest from streams, ditches, waterways, with the least amount of slope.

• Application setback distance must be a minimum of 200 feet from grassed waterways, surface drainage ditches, streams, surface inlets, water bodies and 300 feet minimum from all wells, springs and public surface drinking water intakes. This distance may need to be further increased due to local conditions.

• For fields exceeding 6% slope manure shall be applied in alternating strips 60 to 200 feet wide generally on the contour, or in the case of contour strips on the alternating strips.

For farmers with solid manure, stockpiling could be an option. There are two different types of stockpiles: Short term and long term.

The short-term stockpile information can be found in NRCS FOTG 318 Short Term Storage of Animal Waste and Byproducts Standard (“NRCS 318”). Essentially, short term stockpile is a pile of solid manure that is being kept temporarily in one or more locations. It is considered a temporary stockpile as long as the pile is kept at the location for no more than 180 days and stockpiled in the field where the manure shall be applied. Setback distances listed in NRCS 318 should be followed to prevent discharge to waters of the state. There are multiple recommendations listed in NRCS 318 that speaks to location, timing, and preventative measures that should be taken while stockpiling the manure short term.

The long-term stockpile information can be found in NRCS FOTG 313 Waste Storage Facility Standard (“NRCS 313”). Long term stockpile is directly related to solid manure being piled and kept at a facility for longer than 180 days at a permanent location. It is recommended that all permanent long term storage stockpiles should be following the guidelines in NRCS 313 with the utilization of a stacking facility and the structural designs of fabricated structures. A stacking facility can be open, covered or roofed, but specific parameters should be in place to prevent manure runoff from the site.  These recommendations are listed in the NRCS 313.

Regardless of your county, it’s probably best to check with your local Soil and Water Conservation District office before considering winter manure application in Ohio. The rules have changed, and you should become aware of those that affect your operation.

Kill Poison Hemlock Now!

– Christine Gelley, Agriculture and Natural Resources Educator, Noble County OSU Extension

While hemlock may still be vegetative today, it will soon look like this.

Poison hemlock has already emerged in a vegetative state around Noble County and beyond. Soon it will be bolting and blooming on stalks 6-10 feet tall. All parts of the plant are toxic to all classes of livestock if consumed and is prevalent along roadsides, ditches, and crop field borders.

It is a biennial weed that does not flower in the first year of growth but flowers in the second year. The earlier you can address poison hemlock with mowing and/or herbicide application, the better your control methods will be.

 

 

 

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Forage Maturity Across Ohio

Jason Hartschuh, Dairy Management and Precision Livestock, Field Specialist

Warm weather this spring especially over the last couple of weeks has rapidly progressed forage maturity. Harvesting forages at the proper time for the livestock you are feeding is critical to farm profitability. Poor quality forages must be supplemented to maintain livestock. In the southern part of the state, many forage grasses are in head while in the northern part of the state, some varieties of Orchard grass and barnyard grass are in head but most are still in the vegetative stage but will be in head within a week.

 

 

 

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Everyday Biosecurity Recommendations for Dairy and Beef Cattle Farm Personnel

Having a biosecurity plan with clear plans and protocols is crucial to protect your animals and farm personnel while also preventing the spread of disease to others or through outside visitors. With the recent outbreaks of Highly Pathogenic Avian Influenza (HPAI) in dairy cows, livestock producers should heighten their biosecurity practices on the farm. According to the latest announcements by American Veterinary Medical Association and American Association of Bovine Practitioners (AABP), the disease syndrome in cattle does not cause high morbidity and mortality as it does in birds. The AABP announced April 7, 2024 that it will call this emerging disease Bovine Influenza A Virus (BIAV) to better distinguish the disease syndrome in cattle from the pathogenesis observed in birds.

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Forage Weeds: Fall Forgotten and Spring Startups

Alyssa Essman, OSU Extension State Specialist, Weed Science, Christine Gelley, OSU Extension Educator ANR, Noble County, Kyle Verhoff, OSU Extension Educator ANR, Defiance County

Spring means rapid forage growth, but it also means rapid weed growth. Due to the variability of spring weather, there are often only a few opportunities to control emerging summer annual weeds, winter annuals missed in the fall, and biennials that are small enough to effectively control. To manage weeds before they become a problem in forages, it is important to scout and plan accordingly. Forage is a broad category, and the spring weed control plan can look very different between species and operations. The problem weeds and whether control is necessary are going to be different between permanent pasture systems and alfalfa fields, and highly dependent on the consequences of specific weeds.

In established alfalfa, the decision for weed control of some winter annuals like henbit and field pennycress will depend on the severity of the weed presence, the age of the stand, and the end purpose of the forage. If the weed pressure is high, the stand is young, or the lower forage quality of the weeds interferes with the goal of producing dairy-quality hay, the weed control treatment may be worth the associated cost. In a grazing system, it may be more pertinent to control weeds in the spring to ensure weeds that aren’t grazed don’t go to seed. Numerous weeds can be a problem in forage systems. Reference the 2024 Weed Control Guide for specific recommendations following this general overview.

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What to watch for with Asian longhorned ticks and Theileria in Ohio in 2024

– Tim McDermott DVM, OSU Extension Educator, Franklin County (originally published in Farm and Dairy)

Visit go.osu.edu/BITE, your guide to ticks, mosquitoes, and other biting pests. Photo: Anna Pasternak, UK entomology graduate student

One of the worrisome things about ticks in Ohio has been the increasing numbers of ticks of medical importance to humans, companion animals, and livestock as we have gone from one tick of medical importance twenty years ago to five now, including two new ticks in the past few years. While ticks have always been a problem in cattle, the invasive Asian longhorned (ALHT) tick that was first discovered in Ohio in 2020 has demonstrated the ability to not only vector, or transmit disease to cattle, but to cause mortality in cattle through high numbers of ticks feeding upon the animals. I first wrote about ALHT  in All About Grazing in July of 2020 with the article “The Threat of Asian longhorned tick continues” and then followed up with a March 2nd, 2023 article “Managing Asian longhorned ticks on pasture” so I want to provide an update on where we are in the state of Ohio with ALHT right now.

 

 

 

 

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OSU Deoxynivalenol, DON, Resistance Screening Program-2024

This past year, with support from Ohio Corn and Wheat through the Corn Check Off, we established a pilot corn deoxynivalenol (DON) hybrid susceptibility screening trial. The objective of this project was to identify hybrids with partial genetic resistance to DON. Use these results with caution because this is our first year of data. This trial was conducted at three locations across the state that represent different production regions:  Apple Creek, Bucyrus, and South Charleston. While we had three different environments, the fact that the hybrids vary in maturity means that there is a chance that the weather was not conducive to ear infection and DON production by the fungus Fusarium graminearum during each individual hybrid pollination window. All locations had natural infection across all maturity groups, but to help increase the change of Gibberella ear rot (GER) development, and consequently, DON contamination of grain, we also inoculated plots at Bucyrus and Apple Creek. Since average DON contamination was not significantly different between inoculated and naturally infected plots at these two locations, the results are summarized, and hybrids are compared, by location. With a relative maturity spread of 18 RM, the pollination window at all 3 sites was 3 weeks from the time the first silks emerged until only brown silks were found.

We have been researching several management strategies to reduce grain contamination with this mycotoxin, but less emphasis has been placed on genetic resistance. Results from our previous work with a very small number of hybrids showed that partially resistant hybrids with naturally and consistently lower DON levels are easier to keep low than those that were highly susceptible. A total of 80 hybrids from 8 seed companies were included as part of this screening. While this is only a small subset of the hybrids that are planted in Ohio, the results below not only show the importance of hybrid selection but also can be used to help you begin to select hybrids with natural partial resistance to DON, or at the very minimum, avoid highly susceptible hybrids. With one year of data, we cannot guarantee that the hybrids with low DON this year will always have low DON across all environments. The only thing we can guarantee is that the high-DON hybrids are susceptible. This is an excellent place to start.

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