论文部分内容阅读
关于复合肥料和混合肥料,一般认为,凡含有两种或多种元素并由一个化学过程生产的肥料称为复合肥料(如磷酸二铵和硝酸磷肥等)。混合肥料也叫掺混肥料,是由单一或复合肥料以成品或半成品的形态混合后加工而成的。近十年来,世界各国生产和施用高浓度复(混)合肥料得到迅速发展。以1981～1982年为例,在全世界化肥消费总量的1.15亿吨之
With respect to compound fertilizers and composts, it is generally accepted that fertilizers containing two or more elements and produced by one chemical process are called compound fertilizers (eg, diammonium phosphate and nitrophosphate, etc.). Compounded fertilizers, also known as compost fertilizers, are made by mixing single or compound fertilizers in the form of finished or semi-finished products. Over the past decade, the production and application of high-concentration complex (mixed) Hefei materials in various countries in the world have seen rapid development. Taking 1981-1982 as an example, the total amount of chemical fertilizer consumed in the world is 115 million tons