tilth
n. 耕作,耕種; 耕地的情況
1. the state of aggregation of soil and its condition for supporting plant growth
2. arable land that is worked by plowing and sowing and raising crops
The root distribution in different tilth layer is different.
各品種在耕層不同深度分佈也不同.
So microflora increase tilth.
也就是說微生物群落能提高耕性.
Some of these provide tilth to a soil.
有些有機肥是用來改善土壤的耕性的.
The distribution position of cotton root system in the tilth is closely related with cotton yield.
棉花根系在耕層分佈的位置與產量密切相關.