منابع مشابه
Mechanization and the Global Development of Conservation Agriculture
The per capita availability of agricultural land was 0.43 ha in 1960 and declined to 0.26 ha in 1999. Significant per capita declines are projected in the availability of another essential natural resource for agriculture water. At the same time, the world must increase its food production by some 70% by 2050 to meet the needs of its growing population projected to reach 9.2 billion then [Bruin...
متن کاملMechanization Outsourcing Clusters and Division of Labor in Chinese Agriculture
v Acknowledgments vi
متن کاملConservation Agriculture: Impact on farmers’ livelihoods, labour, mechanization and equipment
Conservation Agriculture (CA) is defined as a concept for resource-saving agricultural crop production that strives to achieve acceptable profits, high and sustained production levels while concurrently conserving the environment. It is regarded as sustainable land management tool for agricultural lands. CA is based on enhancing natural biological processes above and below the ground. Intervent...
متن کاملWage Growth, Landholding, and Mechanization in Chinese Agriculture
This paper aims to examine the dynamics of land transactions, machine investments, and the demand for machine services using farm panel data from China. Recently, China's agriculture has experienced a large expansion of machine rentals and machine services provided by specialized agents, which has contributed to mechanization of agricultural production. On the other hand, the empirical results ...
متن کاملThe Mechanization of Mathematics
The mechanization of mathematics refers to the use of computers to find, or to help find, mathematical proofs. Turing showed that a complete reduction of mathematics to computation is not possible, but nevertheless the art and science of automated deduction has made progress. This paper describes some of the history and surveys the state of the art.
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ژورنال
عنوان ژورنال: Scientific American
سال: 1982
ISSN: 0036-8733
DOI: 10.1038/scientificamerican0982-76