Introduction
With the development and perfection of market economy, the agriculture and rural economy is coming
a new stage and the people lives in plenty, so there is a h igh requirements in agricultural products’ quality
safety. There are three modes of p roduction in China: organic, pollution-free and conventional patterns
and the people favor the organic food [1]. There are some differences between organic system and
conventional patterns, for example growth vigor, yield, economic benefit of plant, soil organic matter and
microbial content [2, 3]. Moreover, the reasonable use of organic manure can improve soil fert ility and
IntroductionWith the development and perfection of market economy, the agriculture and rural economy is cominga new stage and the people lives in plenty, so there is a h igh requirements in agricultural products’ qualitysafety. There are three modes of p roduction in China: organic, pollution-free and conventional patternsand the people favor the organic food [1]. There are some differences between organic system andconventional patterns, for example growth vigor, yield, economic benefit of plant, soil organic matter andmicrobial content [2, 3]. Moreover, the reasonable use of organic manure can improve soil fert ility and
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