复混肥及其BB肥在浦东新区的开发应用
SHANGHAI AGRICULTURAL SCIENCE AND TECHNOLOGY(2001)
Abstract
1 BB肥诞生的背景
当前农业肥料施用除有机肥不足外,突出问题是化肥的氮、磷、钾比例结构不合理,氮肥用量无限增加,磷、钾肥偏少,且长期以来凭传统经验习惯施肥,从而导致氮磷钾养分失去平衡,既影响化肥的增产效果,又增加施肥成本.为扭转这一状况,国家农业部将推广平衡施肥技术列为"沃土工程"的重要组成部分,于是复混肥就应运而生.
MoreAI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined