Cao Qing-jun

4 Questions 11 Answers 0 Followers

Questions related from Cao Qing-jun

Who knows a fast way to determination the root activity?

I want to determination the root activity of maize, who knows a fast way to determination the root activity? Thank you for your kind help and comments?

04 July 2022 3,829 5 View

Does anyone knows how to determination soil field capacity in a simple way?

The field capacity (FC) is the water-retaining capacity of a soil usually including both the hygroscopic and capillary water of the soil and being expressed as a percentage of the dry weight of...

07 February 2022 1,905 2 View

How crop residue (residue return to soil by coverage or rotory) affect soli pH in a short term and long-term effect?

How crop residue (residue return to soil by coverage or rotory) affect soli pH in a short term and long-term effect? The soil pH will increase or decrease, and why? thank you!

22 March 2020 9,261 8 View

How to determine or judge the changes of photosynthetic rate are caused by stomatal factors or non-stomatal factors?

Under the condition of abiotic stress，how to determine or judge the changes of photosynthetic rate are caused by stomatal factors or non-stomatal factors?

07 January 2020 1,914 4 View