1 / 1

Intensive tillage, soil erosion and insufficient added residues

Intensive tillage, soil erosion and insufficient added residues. Aggregates break down. Soil organic matter decreased. Increased erosion by wind and water. Surface becomes compacted, crust forms. Less soil water storage, less diversity of soil organism, fewer nutrients for plants.

summer
Download Presentation

Intensive tillage, soil erosion and insufficient added residues

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Intensive tillage, soil erosion and insufficient added residues Aggregates break down Soil organic matter decreased Increased erosion by wind and water Surface becomes compacted, crust forms Less soil water storage, less diversity of soil organism, fewer nutrients for plants More soil organic matter is lost Crop yields are reduced Hunger and malnutrition Figure 1.1 The downward spiral of soil degradation. Modified from Topp et al., 1995.

More Related