After analyzing the water pollution in agriculture, the authors point out that irrational sewage irrigation, fertilization and pesticide application were the main origins for non-point pollution.

分析了农业中水污染的情况，指出不合理污灌、施肥、施药是引发面源污染的重要污染源。

youdao

Fig. 4 Effects of soil biological factor (non-sterilized vs. sterilized) and fertilization management (chemical vs. organic fertilizer) on planthopper mass.

图4土壤生物因素(对照和灭活)及施肥因素(化肥和有机肥)对褐飞虱生物量的影响。

youdao

In 2008, the 193 Parties to the Convention on Biological Diversity (CBD) decided that no further ocean fertilization activities for whatever purpose should be carried out in non-coastal waters until there was stronger scientific justification, assessed through a global regulatory mechanism.

UNESCO: MEDIA SERVICES