Which of the following is NOT a category of NASM?

In the context of Nutrient Management Strategies, NASM (Non-Agricultural Source Materials) is categorized based on the source and the nature of the materials used. The categories typically include processed and unprocessed materials, with a focus on how they contribute to soil quality and nutrient management.

Processed plant material and unprocessed plant materials fit within the established categories for NASM, as they are derived from plant sources and have specific characteristics that align with nutrient management practices. Animal-based NASM includes materials directly related to animal waste, encompassing types of organic matter that come from agricultural operations.

However, refined animal waste does not align with the typical categories of NASM. While animal waste is indeed a significant part of nutrient management, the term "refined" implies a level of processing that may not characterize NASM properly. Instead, NASM typically emphasizes the management and use of organic materials that retain their natural sources, whether they are plant-derived or animal-derived, without suggesting a refining or alteration process.

This distinction is essential for understanding how different materials are categorized for effective soil and water management practices and their implications for agricultural sustainability. Recognizing the differences among these categories ensures proper handling and application in various environments, ultimately contributing to sustainable nutrient management strategies.