(1) Watering. In principle, master the soil, see the seedlings, and see the conditions. A look at the soil. First, the geochemical pass is the boundary of early pouring back to Qing Shui. The second is to look at the grievances. If there is a serious shortage of water, it will be poured. Generally, the lack of sputum should be poured back into the Qingshui according to the condition of the sputum, and the wheat fields that are good for the good wheat fields should be delayed or not. B see the seedlings. Generally, the wheat field should be poured early, and the high-yield wheat field should be postponed. According to the order of watering the seedlings, it should be: yellow seedlings, de-fertilization seedlings, pouring back to the early stage of the green; general weak seedlings (pour back to the early stage); late seedlings, pouring back to the middle of the green; Strong seedlings, poured out the body; large groups of fat land Wang Miao, watering after jointing. C see the conditions. If the water source is sufficient, it should be poured in time as much as possible, and the water source should be poor.


(2) Topdressing problems. Yellow seedlings and weak seedlings should master the early chasing and promoting the tube. The effective topdressing period is the greening period, and the growing wheat field can delay the topdressing.


Source: New Rural Business Network - Hebei Academy of Agriculture and Forestry
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