在播种前我们得先将杂草挖掉。
在播种前做一个土壤分析，在播种时拿到土壤分析报告。
Do a lab soil test before seeding so that results are in hand prior to establishment day.
涉及一种在播种前用于红树植物的种子袋及其播种方法。
The present invention relates to mangrove plant seed bag for seeding and its seeding method.
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