It is an important direction that a new farm chemical is developed from insecticide of plant resource.

植物源农药是开发新农药的一个重要方向。

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The preparation process of N-methyl-N'-nitro guanidine belongs to the field of farm chemical preparing technology.

一种N-甲基N’-硝基胍的合成方法，属于农药中间体技术领域。

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The present invention relates to farm chemical and especially plant pesticide clathrate and its preparation process.

本发明属于农药领域，特别是植物性杀虫剂的环糊精及其衍生物的包合物及其制备方法。

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Many farmers using these seeds have even been able to implement a "no-till" system, which offers tremendous environmental benefits by preventing soil erosion, keeping farm water and chemical run-off out of local watersheds and releasing less carbon dioxide into the atmosphere.

FORBES: Magazine Article

"When the government announces these chemicals are unsafe on food they're ... announcing, in effect, that the farm groups and chemical companies who have said there is no problem were wrong, " Ken Cook of the Environmental Working Group told CNN.

CNN: pesticides

Mr Hostetler, who bought his farm from an in-law who had used pesticides, had to farm the land for three years without chemical inputs before he was passed.

ECONOMIST: Amish farming