Tác giả: C. W. Rose

Agricultural Physics discusses agricultural problems, some aspects of the environment, and water relations of plants from a physical point of view. This book provides particular attention to …

The world population in 1930 was 2 billion. It reached 3 billion in 1960, stands at 4. 6 billion today, and is expected to reach 6 billion by the end of the century. The food and fiber needs of such …

Fish are mysteriously disappearing, starving the people in Angie Song’s Alaskan hometown. Angie, an aspiring marine biologist and dock worker, enthusiastically joins the hunt to find out where the fi …