The experiment was conducted at Yangling.During the growth period of winter wheat.Five tillage modes under straw mulch were disposed in the field,including stalk returning farmland and shallow plowing,conventional tillage,deep plowing under straw mulch,low stubble of corn,conventional tillage under straw mulch.During the growth period of winter wheat,soil moisture from 0 to 100 cm depth of low stubble of corn is the highest in the five modes,that of conventional tillage is the lowest,deep plowing under stra...
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