The main target of seedling management is Miao Qi, Miao Quan, Miao Zhuang, plant dwarf, dark green leaves, and good root development. The following management work should be done:

One, (1) is to check seedlings to make up seedlings: corn seedlings must promptly check the emergence of seedlings after emergence, found that lack of seedlings must be replanted in a timely manner. 3 leaves before the lack of seedlings, with full seed soaking and germination after watering reseeding; (2) nursery supplements: 3 leaves after the lack of seedlings with soil transplant method fill seedlings; (3) is the lack of seedlings can also stay in the vicinity of double beads remedy.

Second, Dianmiao Dingmiao, corn grow to 3-4 leaves when and time seedlings, remove weak, yellow, disease, inferior, hybrid seedlings. At the time of 5-6 leaves, the seedlings were planted according to the planned spacing and density, and the remaining seedlings were unplugged. When setting the seedlings, the lines and fields can be kept slightly denser to give full play to their marginal advantages. When the seedlings are to be settled, the seedlings that are pulled out must be cleared in time.

Third, top-dressing cultivator, top-dressing corn seedlings should be applied when the five leaves are deployed, top dressing should follow the principle of light fertilizer application. The timely cultivation of maize seedlings can play a role in “control and promotion”.

Fourth, pest control, the main insect pests during the seedling period are ground tiger, armyworm and so on.

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