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1.老李,听说你们正在推广化肥深施技术,化肥在农业生产中有多大作用? 答:大家都知道,化肥是促进农产品产量增加的农业生产资料。近20年来,世界发展中国家粮食增加量的50%是靠使用化肥取得的。据统计,我国种植业综合生产能力中,使用化肥所产生的效益已提高到24.2%,即种植业每形成100元产品产值,有24.20元来自使用化肥的作用。正因为化肥有如此显著的作用,所以世界很多国家把增加化肥施用量和科学施肥作为重要技术措施加以推广。 2.我国化肥的施用情况怎样
1. Lao Li, I heard that you are promoting the technology of deep chemical fertilizers and how fertilizers play a role in agricultural production? A: As we all know, chemical fertilizers are agricultural means of production that increase the output of agricultural products. In the past 20 years, 50% of the increase in the grain output of developing countries in the world has been achieved through the use of chemical fertilizers. According to statistics, among the comprehensive production capacity of crop industry in our country, the benefit derived from the use of chemical fertilizers has been raised to 24.2%, that is, the output value of 100 yuan of products produced in planting industry is 24.20 yuan from the use of chemical fertilizers. Because of such significant role of chemical fertilizers, many countries in the world promote the use of chemical fertilizers and scientific fertilization as important technical measures. 2. China’s fertilizer application situation