These provided adequate information about the status of nutrients, helped in selection and planning of the field research and ensured the success and usefulness of the field work.
These provided adequate information about the status of nutrients, helped in selection and planning of the field research and ensured the success and usefulness of the field work.
这些为我们提供了确实可靠的土壤养分状况信息，对于田间试验内容的选择和设计非常有益，保证了田间试验的成功和结果的可靠性。