| http://www.w3.org/ns/prov#value | - The big difference in rooting depth occurred from 20 to 60 days after emergence, when the sunflower roots went down an average of 1.6??? per day; compared to sorghum at 1??? per day.???Because sunflower roots deeper and depletes water deeper in the soil profile, it is an excellent crop in a rotation to utilize water and nutrients, such as nitrate, that have moved deeper in the profile,??? Stone sa
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