Nutrient Management
The Pennsylvania Nutrient Management Program provides a comprehensive source of information about Pennsylvania's Nutrient Management Act (Act 38, 2005) Program, and associated technical guidance and educational information. It also provides limited information concerning related programs.
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ArticlesNutrient Management to Improve Nitrogen Efficiency and Reduce Environmental Loss
This article describes the three main pathways of nitrogen loss--nitrate leaching, denitrification, and volatilization--and summarizes requirements and provides nitrogen management guidance. -
ArticlesPennsylvania's Nutrient Management Act (Act 38): Who Is Affected?
Learn how to calculate the animal density of an agricultural operation to determine if it is a Concentrated Animal Operation (CAO) and thereby required to implement an Act 38 nutrient management plan. -
ArticlesChoosing a Nutrient Management Planner
Pennsylvania agricultural operations that are designated Concentrated Animal Operations or Concentrated Animal Feeding Operations are required to implement an approved nutrient management plan. -
ArticlesManaging Phosphorus for Agriculture and the Environment
Phosphorus is an essential element for plant and animal growth, but too much of it can accelerate the natural aging of lakes and streams. -
ArticlesManaging Potassium for Crop Production
A corn crop takes up nearly as much potassium (K) as it does nitrogen (N), yet management of each nutrient is entirely different. -
ArticlesA Nutrient Management Approach for Pennsylvania: Decision-Making
Effective nutrient management requires decisions to be made at several different levels of detail: strategic, tactical, and operational (Figure 1). -
ArticlesA Nutrient Management Approach for Pennsylvania: Exploring Performance Criteria
The focus of nutrient management is rapidly evolving from optimizing agronomic production and economic returns of crop production to balancing farm production with environmental protection. -
ArticlesA Nutrient Management Approach for Pennsylvania: Introduction to the Concepts
Nutrient management has taken on new meaning in recent times. Soil fertility traditionally dealt with supplying and managing nutrients to meet crop production requirements. -
ArticlesA Nutrient Management Approach for Pennsylvania: Plant Nutrient Stocks and Flows
Decision-making in agriculture affects the distribution of materials such as crops and manure within farms, and the movement of materials such as feeds and farm products to and from farms. -
ArticlesSoil Acidity and Aglime
Soil acidity is among the important environmental factors which can influence plant growth, and can seriously limit crop production. -
ArticlesNutrient Management Planning: An Overview
Nutrient management traditionally has been concerned with optimizing the economic returns from nutrients used to produce a crop. -
ArticlesManure Spreader Calibration
Manure spreader calibration is an essential and valuable nutrient management tool for maximizing the efficient use of available manure nutrients.