For the first time industrial waste, such as ash from the soap-boilers, was collected in the cities and sold in the country as artificial fertilizer.

工业废料，如煮皂炉里的灰，第一次开始在城市里被收集，作为人工肥料在农村出售。

The solution Crookes proposed was to create artificial fertilizer.

科鲁克斯提出的解决办法是创造一种化学肥料。

For the first time industrial waste, such as ash from the soap-boilers, wascollected in the cities and sold in the country as artificial fertilizer.

城市首次收集工业废料， ， 比如煮皂的灰料和城市废料，并作为人工肥料售给乡下。

Fertilizer: Natural or artificial substance containing the chemical elements that improve growth and productiveness of plants.

肥料：含有促进植物生长和增产的化学元素的天然或人造物质。

Based on the method of artificial neural network, the soil fertilizer model is researched.

基于神经网络理论，对土壤施肥模型进行了研究。