Soil amendment includes all inorganic and organic substances mixed into the soil for achieving better soil constitution regarding plant productivity. There are different substances for different soils and plants to optimize the soil conditions. A very common amendment is the addition of organic matter like compost, due to its low production costs.

Suitable organic amendments : Organic amendments consist of material derived from living things (e.g. plants) or the by products of processing plants or mills (saw dust, chips, bark, bagasse, rice hulls) or waste disposal plants (compost, processed sewage sludge). The main purpose of using organic amendments is to loosen the soil and create large pores to increase

Benefits of amendments application:

• The reason for soil amendment is to provide a better environment for roots and plant growth.
• Improvement of the soil structure and water holding capacity.
• Increases the availability of nutrients.
• Improves living conditions of soil organisms.
• Better soil texture and better root growth avoids soil degradation during heavy rains.
• Increase aeration.
• Increase drainage.