高兰尼也在改进CQESTR模型，也就是一种电脑模型，这种模型能够模拟气候、土壤类型、耕作制度和其他有关土壤中有机碳的管理措施。
Gollany also is upgrading CQESTR, a computer model that simulates the effects of climate, soil type, cropping systems, and other management practices on soil organic carbon.
解决这一问题需要从土壤管理、施肥、灌溉、耕作、政策等多方面采取措施。
To solve the problems needed many measures including soil manage, fertilization, irrigation, farming policy etc.
利用田间试验研究了不同耕作施肥措施对四川水早轮作土壤小麦缺锰的影响。
The influence of different tillage and fertilization methods on Mn deficiency in wheat in soil with rice-wheat rotation was studied in Sichuan province.
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