1·The most detailed account we have of farming in the seventeenth century, that of Robert Loder, mentions various experiments with different kinds of manuring.
我们所有的对于十七世纪的农业最详尽的描述是来自Robert Loder的，提到了各种施肥的实验。
2·With the method of dry ditching, the paper studied the affection of deep ditch manuring measure to the weight, composition and distribution scope of apple root system.
用干挖壕沟法研究了深沟施肥农艺措施对旱作苹果树根系的重量、结构和分布范围等的影响。