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Source: https://files.ontario.ca/omafra-nutrient-management-protocol-version-nov-10-2021-en.pdf

Nutrient Management Protocol for Ontario Regulation 267/03 Made under the Nutrient Management Act, 2002

Version: November 10, 2021

Part 1 - Introduction

This document is the Nutrient Management Protocol ('Protocol') which is incorporated by reference in Ontario Regulation 267/03 ('Regulation') made under the Nutrient Management Act 2002, S.O. 2002 ('Act'). It forms part of the Regulation and provides additional rules that must be complied with. Anyone reading this document should ensure that they have the most recent version of the Regulation and the Protocol. This Protocol references many defined terms from the Regulation. Where a term is defined in the Regulation or Act and is used in the Protocol, the term in the Protocol has the same meaning as in the Regulation or Act.

Part 2 - Revoked

Part 3 - Calculating Nutrient Units to Determine Regulatory Requirements

3.1 Using Nutrient Units to Determine the Obligations of Agricultural Operations Carried Out on a Farm Unit

The number of nutrient units (NUs) generated by a particular type of farm animal must be calculated by dividing the number of farm animals by the number given in the Nutrient Units Column shown on Table 1 Nutrient Unit Livestock Information, which can be found in the Nutrient Management Tables document. Please note that NUs are not the same as livestock units.

If more than one type of farm animal is relevant to this calculation, the calculation must be completed for each type of animal separately, then all the results totaled to give the total NU generated by farm animals.

Part 4 - Revoked

Part 5 - Nutrient Management Strategy for Agricultural Operations

5.1 Nutrient Management Strategy Contents in Addition to the Requirements of Section 17 of the Regulation

In addition to the contents of a Nutrient Management Strategy (NMS) required by section 17 of the Regulation, the following components must be included in the NMS:

5.2 Identifier Numbers and Farm Unit Information

5.2.1 Farm Unit Information

The following information must be provided for the farm unit to which the NMS applies:

5.2.2 Storage System Summary

All the calculations required to determine the volume of prescribed materials generated must be completed using the following information:

Livestock Details:

Storage Details

Determination of Manure Generated

To determine the amount of manure generated in the course of an operation and whether there is sufficient storage capacity, the following information shall be relied on:

found in the Nutrient Management Tables document. Alternatively, if the NMS utilizes values that are different than the values provided by Table 1, a comprehensive, written explanation must be included to justify the different values.

Table 5.1 Solid Manure Density

Dry Matter (%) Density 1 (kg/m 3 )
15 961
18 913
20 881
25 833
30 801
35 753
40 721
43 673
45 641
48 593
50 561
53 513
55 481
58 400
60 320
65 320
70 320

Notes: 1 Density has been rounded to 3 significant digits.

Table 5.2 Allowances for Freeboard and Precipitation Freeboard 1

Covered Storage (except covered barns with slatted floors): 0.15 m

Uncovered Storage: 0.30 m

Notes:

  1. Freeboard dimensions have been rounded to 2 significant digits.

Table 5.3 Precipitation Effects 1

Livestock Yard Runoff: 0.56 m/year

Solid Manure Storage Runoff: 0.56 m/year

Roof Runoff: 0.56 m/year

Direct Entry into Liquid Storage: 0.83 m/year

Notes:

  1. Precipitation effects have been rounded to 2 significant digits.

Nutrient Content and Utilization

Transfer Information

5.2.3 Overview of the Operation

The NMS must include an overview of the operation that includes at a minimum the following information, but do not repeat information provided in other sections of the NMS:

5.2.4 Farmstead Sketch

The NMS must include a farmstead sketch. One or more sketches can be used to fulfill this requirement. A sketch must be hand drawn or computer generated, and it may incorporate photos (e.g. aerial photos), maps and satellite imagery. More than one sketch may be submitted if it is not possible to show all of the applicable details on one sketch or if there is too much information for one sketch. Every sketch must be neat and readable and include a north arrow.

The farmstead sketch must address the following items (either by including them or stating that an item does not exist):

5.2.5 Additional Information Required for Regulated Mixed Anerobic Digestions Facilities

If the farm unit has a RMADF that exists or is proposed to be constructed, the NMS must describe the operation as set out in this part.

Anaerobic Digestion Output Volume and Material Type

The NMS must account for any prescribed materials generated by an anerobic digestion facility located at the farm unit. This applies regardless of whether the facility is a RMADF, is an anerobic digestion facility that treats only on-farm materials or is a mixed

anerobic digestion facility (MAD) operating under an Environmental Compliance Approval or Renewable Energy Approval (issued under the Environmental Protection Act).

Receipt of Off-farm Anaerobic Digestion Materials

The NMS must identify the Schedule of each off-farm anaerobic digestion material that is projected to be treated by the RMADF (Schedule 1, 2A and/or 2B). It must also project the maximum total quantity of Schedule 1 material as well as the combined total quantity of Schedule 2A/2B material that is proposed to be received and treated at the RMADF in any 12-month period using the best available information at the time.

If the off-farm anaerobic digestion materials proposed to be received are listed on either Schedule 2A or 2B, the NMS must include a description of the pre-treatment process for Schedule 2A and 2B materials, including the location of the pre-treatment and the minimum process temperature.

On-farm Anaerobic Digestion Materials Generated and Received

The NMS must confirm the approximate quantity and type of on-farm anaerobic digestion material that will be treated in the RMADF along with the off-farm anaerobic digestion materials. The NMS must describe both on-farm anaerobic digestion materials generated at the farm unit and on-farm anaerobic digestion materials that are/will be received from other farm units.

In the case of non-livestock operations, the NMS must demonstrate compliance with the quantity limits for on-farm anaerobic digestion materials established by section 98.8 of the Regulation.

The NMS must demonstrate that the section 98.9(1) paragraph 3 and 4 of the Regulation will be complied with.

Anaerobic Digestion Materials Management Systems

The NMS must provide information that addresses the receipt and management of various on-farm and off-farm anaerobic digestion materials. This may include, but is not limited to, information on the anaerobic digestion materials reception system, anaerobic digestion materials transfer system and the feedstock system. The information required must address the siting, construction and operations of systems that deal with:

RMADF Operation and Treatment

The NMS must include information that addresses the operation and treatment provided by the RMADF. This must include, but is not limited to, information that addresses elements of:

Management of Anaerobic Digestion Output

The NMS must provide information that addresses the management of anaerobic digestion output from the RMADF.

Part 6 - Revoked

Part 7 - Nutrient Management Plans

7.1 Nutrient Management Plan Contents in Addition to Requirements of Section 24 of the Regulation

In addition to the contents of a Nutrient Management Plan (NMP) required by section 24 of the Regulation, the following components must be in included in a NMP:

7.2 Farm Unit Information

The following information must be provided for the farm unit to which the NMP applies:

7.3 Description of Nutrients to be Land Applied

For each nutrient to be land applied at the farm unit, the NMP must set out the:

7.4 Field Information

Field Properties

The following information must be provided for each field that is included in the NMP:

Field Sketch

A sketch is required for each field in the NMP. It must accurately reflect the required features identified in this part.

The sketch must include the field components as described below:

7.5 Cropping Practices and Application Rate Information

The following information must be used in order to determine whether the proposed application rate is compliant with the requirements of the Regulation and the Protocol:

7.6 Land Base Information

A NMP must include a summary that demonstrates that at all times when the NMP is in force there will be sufficient storage for all prescribed materials and that the application rates will not exceed those permitted by the Regulation.

Part 8 - Non-Agricultural Source Material Plans

8.1 NASM Plan Contents in Addition to Requirements of Section 26.2 of the Regulation

In addition to the contents of a NASM plan required by section 26.2 of the Regulation, the following components must be included in a NASM plan:

8.2 Description of NASM Material

For each NASM received at the farm unit for land application on the NASM plan area, the NASM plan must set out:

8.3 Farm Unit Information

The following information must be provided for the farm unit on which the NASM plan area is located:

8.4 NASM Application Area Information

The following information must be provided for each field to which NASM is to be applied under the NASM plan:

8.5 NASM Storage Information

A NASM storage facility can include either a permanent nutrient storage facility or temporary field nutrient storage site. The following information must be provided for each NASM storage facility included in the NASM plan:

8.6 Overview of Operation

The NASM plan must include an overview of the operation that includes at a minimum:

8.7 NASM Field Sketch

A sketch is required for each field containing all or part of a NASM application area. Sketch requirements for NASM storage facilities are addressed separately in Part 8.5. The field sketch must be prepared based on an on-site assessment. It must accurately reflect the required features identified in this part.

The sketch must include the date the on-site assessment was done and the name of the person conducting the assessment. The sketch must include the field components as described below:

8.8 Material Test Results

Prior to land application, all NASM sampling and analysis required by the Regulation must be completed. The analytical test results must ultimately be included in the NASM plan.

8.9 Application Rate Information

The following information must be used in order to determine whether the proposed application rate is compliant with the requirements of the Regulation and the Protocol:

8.10 Registration of Agricultural Operation where NASM Plan Approval Not Required

If a NASM plan does not require the approval of a Director, the person who owns or controls the agricultural operation must register the operation by filing with the Director a description of the operation that includes the following:

8.11 Calculating Total Concentration of PAN, PAP and PAK

The calculation of the total concentration of plant available nitrogen (PAN), plant available phosphate (PAP) and plant available potassium (PAK) required by section 98.0.6 of the Regulation must be determined as follows:

Solid NASM

Total concentration of PAN in mg/kg + PAP in mg/kg + PAK in mg/kg must be greater than 13,000 mg per kilogram. All units for the analyses below shall be in mg/kg on a dry weight basis.

PAN (Plant Available Nitrogen) is calculated as follows:

PAP (Plant Available Phosphate) is calculated as follows:

PAK (Plant Available Potassium) is calculated as follows:

Liquid NASM

Total concentration of PAN in mg/L + PAP in mg/L +PAK in mg/L must be greater than 140 mg/L. All units for the analyses below shall be in mg/L on a wet weight basis.

PAN (Plant Available Nitrogen) is calculated as follows:

PAP (Plant Available Phosphate) is calculated as follows:

PAK (Plant Available Potassium) is calculated as follows:

Part 9 - Revoked

Part 10 - Methods for Making Determinations Required by the Regulation

10.1 Determination of Percentage of Crop Residue

In some circumstances, application of nutrients to the soil without incorporation is permitted by the Regulation where at least 30% of the soil surface is covered with crop residue at the time of application. This is provided for in Part VI of the Regulation.

The percentage of crop residue cover must be determined using the rope transect method or another method that can effectively determine the crop residue cover. The material required for the rope transect method is a light rope (about 8 m in length) with knots or other markings spaced along the rope at 15 cm intervals so that there is a total of 50 knots. This rope is laid out across the soil surface, preferably at an angle to the crop rows, and pulled slightly taut. The number of knots that are touching pieces of crop residue (minimum dimensions 2 mm by 2.5 cm) is counted. This number, when multiplied by two, is the per cent crop residue cover. This determination must be made a minimum of four times in different parts of the field, and the results averaged. If there is a conflict between the determination made using another method and the rope transect method, the determination made using the rope transect method prevails.

10.2 Determination of Unsaturated Soil Conditions

The Regulation requires the determination of the depth of "unsaturated" soil in certain circumstances. This is provided for in Part VI of the Regulation and in Part IX.2.

"Unsaturated," in relation to soil condition, refers to a soil water content that is less than 100 per cent of the total pore space, or is at a negative soil water pressure. Whether the soil is unsaturated for the purposes of the Regulation must be determined using the following procedure:

Water will only flow under saturated conditions, so if water is observed, the soil does not meet the applicable criteria for unsaturated soil.

10.3 Determination of Dry Matter Content of Manure

Subsection 81(5) of the Regulation requires the determination of the dry matter content of manure in accordance with the Protocol in order to comply with that provision The dry matter content of manure must be established through sampling or by referring to the Manure Databank for average values in Ontario. The Manure Databank can be found in Table 2 in the Nutrient Management Tables document.

Part 11 - Outdoor Confinement Areas

11.1 Snow that Contains Manure

Part VII of the Regulation allows a person to store or land apply snow which has been removed from an outdoor confinement area and that contains manure subject to certain conditions.

11.2 Parameters for Snow Containing Manure from Permanent Outdoor Confinement Areas

For the purposes of clause 61(2)(a) of the Regulation, snow containing manure that has been removed from a permanent outdoor confinement area cannot be applied to a field unless the snow meets the following parameters:

Part 12 - Contingency Planning

12.1 General

Contingency plans are written documents that are a required component of NMSs, NMPs and NASM plans and must be tailored to the particular conditions of each operation. The contingency plan must be reviewed by all relevant parties, including the owners of the land where manure, anaerobic digestion output or NASM will be applied. Key people in every operation should be familiar with the contingency plan and know how to implement it.

Contingency plans must list in detail the contacts, equipment and other resources that are available should a contingency event occur, including without limitation:

12.2 Contents of Contingency Plan

The Regulation defines 'contingency plan' as follows:

Each of the components in paragraphs (a) to (e) must be addressed when preparing the contingency plan for the NMS, or NASM plan.

12.3 Other Considerations

Managing Off-Farm Source Material

Where the agricultural operation has a RMADF on the farm unit, there may be off-farm anaerobic digestion materials stored on the farm unit. The contingency plan must have a plan for dealing with any material that may not be able to be used in the RMADF for any reason. The plan shall consider other disposal methods such as landfilling, composting or other processing methods that may be permitted.