套作的作物对养分，土壤和湿度有大体相同的需求。
Hints:
Fabian Fernandez
the University of Illinois
Companion planting is the idea that when some crops are planted together, they help each other grow. These compatible plants generally have similar needs for nutrients, soil and moisture. Advice for companion plantings is sometimes based more on tradition than proof. But Fabian Fernandez at the Uni…
套种是指几种作物一起种植，这样可以相互帮助生长。这些套作的作物对养分，土壤和湿度有大体相同的需求。 有时，对套种的建议更多的是基于传统而不是证据。但是伊利诺伊大学的Fabian Fernandez说，有些证据表明套种的益处。套种可以促进作物生长，减少疾病，通过吸引益虫控制害虫。 例如，一些土壤细菌从空气中吸收氮素，转…