P Y Yang: 3 books

The date is 3021 and the whole world has collided into one large country, much like how it was once a single land. The Pangaean nation has now become what is known as the United Reservation, where there is a single army, a single culture, and a single language. However, the society is threatened by...

Discusses ways of ensuring genetic diversity, advances in wheat breeding and their use to improve properties such as drought resistance and cold tolerance; Summarises research on factors affecting nutritional and other aspects of wheat quality; Reviews advances in understanding wheat pests and diseases...

Originating in South America, cassava is now grown in over 100 countries around the world. It is the third most important source of calories in the tropics after rice and maize. Its caloric value, as well as its ability to tolerate dry conditions and poor soils, makes it a key food security crop in...