有时，由于恶劣天气或疾病，植物无法在一个国家生长，因此农民需要新的种子。
Sometimes plants can't grow in a country because of bad weather or disease, so farmers need new seeds.
蚂蚁依靠植物提供庇护和食物，同时植物也需要蚂蚁播种和散播他们的种子。
The ants rely on the plants for shelter and food, while the plants need the ants to sow and spread their seeds.
许多种子在发芽前需要一段时间来分层，并在低温下储存一段时间。
Many seeds require a period of stratification, exposure to low temperatures for some minimum period, before they will germinate.
一颗种子只需要一立方厘米的土壤就能生长。
许多种子需要一段时间分层的原因是为了保证种子在恶劣的天气来临之后而不是之前生长。
The reason why many seeds require a period of stratification is to guarantee that the seeds grow after and not before unfavorable weather.
种子从太空带回后，需要对它们进行测试，以确保它们长出的蔬菜可以安全食用。
After seeds are brought back from space, they are tested to make sure that the vegetables they grow will be safe to eat.
它只是AGRA支持建立的45家种子公司之一，迪福瑞测算，为了满足未来的需求，将需要100家种子公司。
It is one of 45 seed companies set up with AGRA's backing, and Mr DeVries reckons they will need 100 to meet prospective demand.
为了让种在某人地里的黄瓜，西红柿或任何其他植物种子能拥有这样的信息，需要按以下步骤种植。
In order for the seed of a cucumber, tomato or any other plant grown in one's plot to have such information, the following steps are necessary.
为了让种在某人地里的黄瓜，西红柿或任何其他植物种子能拥有这样的信息，需要按以下步骤种植。
In order for the seed of a cucumber, tomato or any other plant grown in one's plot to have such information, the following steps are necessary.
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