How is good soil tilth developed? 如何创造适宜的耕层 适时、适法、适度耕作 till at proper time, proper method and proper frequency to maintain proper aggregation Too wet during tillage makes soil lumpy too dry during tillage makes soil too fine and likely to blow Over tillage will destroy soil structure and lead to soil compactionHow is good soil tilth developed? 如何创造适宜的耕层 适时、适法、 适度耕作 till at proper time, proper method and proper frequency to maintain proper aggregation. • Too wet during tillage makes soil lumpy, too dry during tillage makes soil too fine and likely to blow; • Over tillage will destroy soil structure and lead to soil compaction