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qiao he shang gou
Author(s): 
Pages: 21
Year: Issue:  1
Journal: Farm Machinery

Keyword:  拖拉机作物生长农民耕深上拉杆耕地播种犁铧实践调整;
Abstract: <正> 农民都为拖拉机耕地后的墒沟又宽又深,影响播种及作物生长而不满。我经过多年的实践,总结出了一种巧妙的封合墒沟的方法。地耕完,墒沟出来后,开始封墒。封墒时,首先调整
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