Appropriate use of returning green manure in a small wheat field

The application of green manure promotes the growth of wheat, increases the tillering of wheat seedlings, increases the number of field populations, and is mainly used for the production of weak seedlings and insufficiently populated fields. When the population of wheat in the field is large, the application of green manure should be strictly controlled to prevent the group from being oversized and affecting individual growth and development.
In the early stage of returning green wheat, when the number of stems per acre exceeds 300,000, if the wheat leaves have normal leaf color, no green manure is generally applied; if the wheat leaves have a yellowish color, they can be fertilized as appropriate, according to the previous fertilization, 5 to 10 Urea per mu can be applied. kg. When the wheat returns to the early Qing period, the number of stems per mu is less than 300,000. Look at the sowing time and seedlings to decide whether to apply green manure. Early but less seedling or poorly growing seedlings should be fertilized properly to promote population growth. Low temperature sowing sowing wheat, on the one hand slow release of fertilizer, on the other hand wheat sprouting late, roots were born late, the amount of base fertilizer applied to the soil is absorbed less, these fertilizers until the temperature rose in the spring before slowly being a large number Absorption, this type of plot is generally not to be used for returning green manure unless there are signs of falling yellow wheat.

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