5, undertaking mulberry field treats bug while, the gush outside combining a root is applied, can remedy already suffer freeze injury mulberry to raise yield, can reduce disease of Sang Liu juice to happen again. So silkworm raiser can treat bug in mulberry field when, every atomizer is joined in water 0.5 two urea and 0.5 two multi-element boracic fertilizer undertake the gush outside the root is applied, lie between 7-10 day not to add pesticide again gush, the 2-3 that connect gush second. Gush uses time the morning with cloudy day or sunshine or dusk had better.
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