Adding nitrogen to a leaf pile helps the decomposition process by providing essential nutrients for the microorganisms that break down organic matter.
Layering Materials to Add Nitrogen
One effective way to add nitrogen to a leaf pile is by layering it with materials rich in nitrogen. According to the provided reference, after starting with a layer of leaves (shredded or not), you should add a two inch layer of something green that contains more nitrogen such as manure, grass clipping, green weeds, or vegetable waste from the kitchen.
Here's a simple method based on this approach:
- Start with Leaves: Begin your leaf pile with a layer of leaves, approximately 6 inches deep.
- Add Nitrogen-Rich "Greens": On top of the leaf layer, add a 2-inch layer of nitrogen-rich material.
- Repeat Layers: Continue layering leaves and nitrogen sources until your pile reaches the desired size.
- Turn the Pile: Regularly turning your pile introduces oxygen, which is crucial for the microorganisms and helps speed up decomposition alongside the added nitrogen.
Why Add Nitrogen?
Leaves, especially dry ones, are high in carbon but low in nitrogen. Microorganisms need a balanced diet of carbon and nitrogen to efficiently break down organic material into compost. Adding nitrogen sources provides the "food" these microbes need to work faster, turning your leaf pile into valuable compost more quickly.
Examples of Nitrogen Sources
Based on the reference and common composting practices, suitable materials to layer into your leaf pile for adding nitrogen include:
- Manure: Provides a good source of nitrogen and other nutrients.
- Grass Clippings: Fresh grass clippings are excellent nitrogen sources.
- Green Weeds: Non-seeding green weeds can be added.
- Vegetable Waste from the Kitchen: Scraps like fruit and vegetable peelings, coffee grounds, and tea bags contribute nitrogen.
By strategically layering these nitrogen-rich "greens" with carbon-rich leaves, you create an optimal environment for decomposition, transforming your leaf pile into compost faster and more efficiently.