The significance of quality production and quality improvement is widely acknowledged by many but few specify what should be improved and what quality should be produced. The reason may be that there are different quality categories in the process of the value chain. Moreover, the issue of...

Limited land is available globally to grow crops for food and fuel. There are direct and indirect pressures on forests and other lands to be converted from growing food for feedstock to be used for biofuel production. The balance of evidence indicates there will probably be sufficient...