Impact of Different amendments on Bioavailability of P and N in soils

This book contains much information related to the environment and how to study the effect of some organic and inorganic factors on the biological availability of elements. This book also contains how to manufacture some of the natural materials inexpensive and available within the environment and to reduce the use of mineral fertilizers and reduce the harmful effect resulting from Which eventually affects human health. The effects of the various factors mentioned in the book on the behavior of different elements in different depths and in this book were mentioned how to control the loss of nitrogen by volatilization and loss by leaching which has a good environmental impact. The effect of treatments such as biochar, zeolite, biofertilizer, potassium humate on the quality of the crop and its content of nutrients were also mentioned.