The paper analyzes the frame structure theory, the communication theory, the behavior alternation theory in products, and theory of the agricultural innovation and technology diffusion.

农业技术扩散的理论主要有框架理论、沟通理论、农户行为改变理论和技术创新扩散理论。

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The course characteristic of agricultural variety technological innovation are: Multiple - link, correlation, conditionality and two-way.

农业品种技术创新的过程特征是：多环节、关联性、制约性和双向性。

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The scale of a farming unit - household - determines the power of induced demand for agricultural technology innovation, and the demand, in turn, determines the supply of technology.

农户规模决定了农户对农业技术创新的需求诱致性力量的大小，而后者决定了技术供给主体的供给行为。

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The letter covers the foundation's wide-ranging efforts in infectious diseases, agricultural innovation and education.

FORBES: Magazine Article

Since the 1930s agricultural innovation and a rise in non-farm employment have driven productivity up and the number of farms down.

ECONOMIST: Small family farmers in the new era of agriculture

America is not only the most competitive country in information technology, biotechnology, and nanotechnology, but is also a frontrunner in agricultural innovation.

FORBES: Think Again: America's Best Days Are Still Ahead