31.   The peat in the mix should keep enough moisture for the plant roots.

v. + moisture >>共 165
draw 7.29%
absorb 6.93%
retain 5.99%
hold 3.64%
keep 3.64%
gather 3.29%
remove 3.06%
add 2.82%
trap 2.82%
need 2.82%
keep + n. >>共 1280
eye 3.35%
job 1.84%
inflation 1.55%
promise 1.50%
record 1.49%
peace 1.48%
people 1.41%
watch 1.18%
control 1.14%
distance 1.13%
moisture 0.09%
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