Answer March 29???a. a Russian general.

???To permanently improve the arability of heavy clay soil
a. course sand should be added
b. peat moss should be added
c. compost should be added
d. none of the above

Day +10 sunny with cloudy periods UV4 Winds 15km/h P.O.P.20%

Night -1 a few clouds Winds 10km/h P.O.P.0%