1.which of the following is NOT a characteristics of a prepared land?
A.The land has big clods
B.The land is free from stubbles
C.The land is free from growing weeds
D.The land is thoroughly pulverized and leveled
2.How many times should a field by plowed and harrowed before the planting process?
A.1-2 times
B.2-3 times
C.4-5 times
D.5-6 times
​