Abstract

A diverse topography along with deforestation, changing climatic conditions, long-term human settlement, overuse of agricultural lands without sustainable planning, cultural difficulties in accepting conservative land management practices, and wrong political decisions have increased the vulnerability of many soils to degradation and resulted in a serious decline in their functional capacity. A progressive reduction in the capacity of soils to support plant productivity is not only a threat in the African continent and its large desert zone, but also in several parts of Central and Southeastern Europe (CASEE). The loss of soil functions throughout CASEE is mainly related to the human activities that have profound influence on soil dynamic characteristics. Improper management of soils has made them more vulnerable to degradation through water and wind erosion, organic matter depletion, salinity, acidification, crusting and sealing, and compaction. Unmitigated degradation has substantial implications for long term sustainability of the soils’ capability to support human communities and resist desertification. If sustainable agricultural and land management practices are not identified, well understood and implemented, the decline in soil quality will continue and probably accelerate. The lack of uniform criteria for the assessment and evaluation of soil quality in CASEE countries prevents scientific assessments to determine if existing management practices are leading to soil quality improvement, or if not, what management practices should be recommended to mitigate and reverse the loss of soil health.

Highlights

  • Rapid human population growth, along with the spread of technology and culture have significantly increased the rate of natural degradation processes in the pedosphere

  • In Romania, more than 40% of the total agricultural area is situated on the slopes higher than 5%

  • Minimum soil disturbance at a shallow depth is recommended for seedbed preparation in saline soils

Read more

Summary

Introduction

Along with the spread of technology and culture have significantly increased the rate of natural degradation processes in the pedosphere. Tillage-based agricultural production during those ancient times led to soil degradation resulting in reduced human carrying capacity of the land. As a multifunctional part of the environment, soil is a conditionally renewable natural resource It is the most important medium for multipurpose biomass production; the integrator and reactor of other natural resources; a natural repository of water, heat and plant nutrients; a substance with a huge buffering and detoxifying capacity for natural and human-induced stresses; a habitat for soil-dependent organisms; and a mediator of biodiversity. That can eventually threaten the sustainability of food and fiber production in agricultural lands This will result in poverty of rural areas, force people to migrate from rural to urban areas, and increase urban sprawl onto fertile agricultural lands. In order to prevent further degradation of ever widening bands of current agricultural land surrounding large cities, farmers have to be convinced that agriculture can be profitable and sustainable if they are willing to adopt conservation tillage and other management practices that are being developed and demonstrated by researchers and the Extension Service

Historical Changes Contributing to Soil Degradation
Soil Quality Degradation Symptoms in CASEE Countries
Decline in Organic Matter
Soil Erosion
Soil Compaction
Salinization
Flooding
Soil Contamination
Soil Sealing
Other Human Induced Soil Threats in the CASEE Countries
Conservation Farming for Achieving Sustainable Soil Systems
Method
Findings
Conclusions
Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call