factors-affecting-rate-of- transpiration/
29. Research project
on measures against
farmland damage from
salinization. 2011. https://
www.jircas.affrc.go.jp/
english/program/proB_7.
html
30. The Nitrogen Cycle.
2014. https://eo.ucar.edu/
kids/green/cycles7.htm
31. Tillage and Crop
Rotation Effects on Corn
Yield and Economic
Return. July 16, 2015.
http://wisccorn.blogspot.
com/2015/07/B057.html
32. Transpiration
from plant leaves.
02-May-2016. http://
water.usgs.gov/edu/
gallery/watercyclekids/
transpiration-bag.html
33.
Transpiration. 2016. .
https://keurstudents
wikispaces.com/ transpiration
34.
Water cycle diagram.2016. https:// a140c3/preview--
conceptdraw.com/
Water%20cycle%20 diagram