在此之前，海藻主要被视为食物，但是也被用于肥料、动物饲料，最近还被用于不断增长的藻胶产业，这个产业生产褐藻胶、琼脂和角叉胶。

Until now, seaweed has been valued mainly as food, but also as fertiliser, animal feed, and recently for a growing phycocolloid industry producing algin, AGAR and carrageenan.

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马布里现在已经开始进行更加深入的研究了，他在观察那些利用鸡和其他家禽粪便制造的肥料是否也能通过海藻净化系统提高肥力。

Mulbry has already begun another study to see whether fertilizer made from chicken and poultry litter can also benefit from the algae cleanup system.

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他和同事们研究了肥料中的一系列化学物质，包括硝酸盐，铵和尿素，观察他们对海藻的影响。

So he and his colleagues tested a range of chemicals found in fertilizers, including nitrate, ammonium and urea, to determine their effects on the algae.

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