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The farmer¿s role is to conduct the symphony of plants and soil. In this book, learn how to coax the most out of your plants by providing the best soil and removing all yield-limiting factors. Schriefer is best known for his ¿systems¿ approach to tillage and soil fertility, which is detailed here. Managing soil aeration, water, and residue decay are covered, as well as ridge planting systems, guidelines for cultivating row crops, and managing soil fertility. Develop your own soil fertility system for long-term productivity.
Since its founding, the government of the People's Republic of China has strived to transform rural production, the theme of this volume of History of Contemporary China. Fourteen articles translated from the Chinese journal Contemporary History (Dangdai Zhongguo shi yanjiu) offer both empirical account and theoretical analysis of a broad range of historical events and issues, such as the guiding policy framework of the “three rural issues,” the causes and consequences of the deep plowing movement and the development of public canteens during the Great Leap Forward, child care, enterprises and collectives, and private lending in the post-Mao era, and the changing dynamics of interregional flows of goods and people throughout the second half of the 20th century. These studies shed light on the historical origins of some of the agricultural and rural problems in China today.
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 a rapidly increasing population are enormous. One of the most basic resources, perhaps the most basic of all, for meeting these needs is the soil. There is an urgent need to improve and protect this resource on which the future of mankind directly depends. We must not only learn how to use the soil to furnish our immediate needs, but also ensure that the ability of the soil to sustain food production in the future is unimpaired. This is indeed a mammoth task; a 1977 United Nations survey reported that almost one-fifth of the world's cropland is now being steadily degraded. This volume is the first of a new series entitled Advances in Soil Science. The diversity of soil makes it necessary for research to be conducted in many locations. There are basic principles, however, that are universal. This new series will present clear and concise reviews in all areas of soil science for everyone interested in this basic resource and man's influence on it. The purpose of the series is to provide a forum for leading scientists to analyze and summarize the available scientific information on a subject, assessing its importance and identifYing additional research needs.