Cropping systems, as well as timing, method of application and forms of fertilizer, can influence fertilizer efficiency. Although there are many factors which cause various practices to have different relative importance in different areas, the importance of having an actively growing root system present whenever fertilizers are applied appears to be generally true.
- 出版者: Food and Agriculture Organization of the United Nations
- ISBN-10: 9251005834
- ISBN-13: 978-9251005835
- Dewey Decimal: 631.8
- ECHO 图书馆: 631.8 FAO