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。

The second Green Revolution is going to be how we get plants to grow productively with less water and artificial fertilizer, he says.

第二次农业革命，需要解决的是如何在缺水，不用化肥的情况下，使农作物高产的问题，他说。

The following technical measures must be adopted, e. g. increasing fertilizer, artificial pollination, spraying growth regulator, proper pruning, and the controlling of diseases and pests.

采取增施肥料、人工授粉、应用生长调节剂、合理修剪、防治病虫害等技术措施。并对今后沙田柚的发展提出有益的建议。

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。