Yohannes Habteyesus Yitagesu
Soil and plant analysis is an initial and a key points to which know what the soil currently have sufficient or deficient nutrients. To recommend the required level of nutrients in to the soil either in the form of inorganic or organic fertilizations, it has to be determined first the amount of macro and micronutrients. Different analytical procedures can be used to determine the physical, chemical and biological parameters of the soil. Based on the amount of nutrients and extraction methods can possible to interpret and put recommendation in order to fulfill the required nutrient levels. The available forms of nutrients in soil can a positive coloration to plant nutrition and crop productivity.