有一种办法就是在每年园艺季节开始前种苜蓿或三叶草，并在它们开花前，把其埋入土里用作“农家肥”来给土壤增加营养。
One way is to plant alfalfa grass or clover prior to each garden season. Then turn these plants into the ground before blooming to use as 'green manure' for healthier soil.
有一种办法就是在每年园艺季节开始前种苜蓿或三叶草，并在它们开花前，把其埋入土里用作“农家肥”来给土壤增加营养。
One way is to plant alfalfa grass or clover prior to each garden season. Then turn these plants into the ground before blooming to use as 'green manure' for healthier soil.
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