When the green wheat seedlings start to return to green, the topdressing can consolidate the wheat tillering before winter, increase the spring tillering, increase the number of panicles per acre, and increase the middle leaves to promote the differentiation of small flowers. Large areas of lean land, late wheat, and weak seedlings are often produced, and the population is often small and the number of panicles is insufficient. This is the main factor affecting yield. It should be applied early to green fertilizer and promote spring hair. Generally, 30 kg of ammonium phosphate or 15 kg of urea are applied per mu. In the early stage, the fertilizer is relatively good, and the wheat growing in good condition does not return to the green fertilizer in principle.
The jointing fertilizer applied wheat jointing fertilizer, which has the functions of promoting flower and keeping flowers, and significantly reducing the number of degraded spikelets and degraded florets, which is the key fertilizer to increase the number of grains per ear. This can also consolidate the effective tillering, promote the growth of the secondary roots and the thick stems, make the internodes of the ear stretch, enhance and extend the functional period of the upper three leaves, apply 5 kg of urea per acre, which is beneficial to grain formation and grouting. The time for the application of jointing fertilizer depends on the fact that the seedlings are generally faded in the group, the peak of tillering has passed, and the base is applied at the first interval; if the number of seedlings is insufficient, the color of the leaves before the jointing has fallen, Appropriately increase fertilization.
The application of flag leaf fertilizer to flag leaf fertilizer is a new technology for high-yield wheat cultivation. Appropriate application can improve the supply of nutrients in this period, expand the area of ​​flag leaf, extend the functional period of the upper three leaves, reduce the number of florescence degradation, increase its seed setting rate, extend the duration of grain filling, and increase the grain weight. The application of the flag leaf fertilizer must be properly controlled according to the growth of the seedlings. If it is lost or excessive, it will also cause adverse consequences such as lodging, greed, late maturity and reduced yield. Generally, 3 kg of urea per mu is suitable.
Author: Lu Ji increase Source: Daily farmer
The jointing fertilizer applied wheat jointing fertilizer, which has the functions of promoting flower and keeping flowers, and significantly reducing the number of degraded spikelets and degraded florets, which is the key fertilizer to increase the number of grains per ear. This can also consolidate the effective tillering, promote the growth of the secondary roots and the thick stems, make the internodes of the ear stretch, enhance and extend the functional period of the upper three leaves, apply 5 kg of urea per acre, which is beneficial to grain formation and grouting. The time for the application of jointing fertilizer depends on the fact that the seedlings are generally faded in the group, the peak of tillering has passed, and the base is applied at the first interval; if the number of seedlings is insufficient, the color of the leaves before the jointing has fallen, Appropriately increase fertilization.
The application of flag leaf fertilizer to flag leaf fertilizer is a new technology for high-yield wheat cultivation. Appropriate application can improve the supply of nutrients in this period, expand the area of ​​flag leaf, extend the functional period of the upper three leaves, reduce the number of florescence degradation, increase its seed setting rate, extend the duration of grain filling, and increase the grain weight. The application of the flag leaf fertilizer must be properly controlled according to the growth of the seedlings. If it is lost or excessive, it will also cause adverse consequences such as lodging, greed, late maturity and reduced yield. Generally, 3 kg of urea per mu is suitable.
Author: Lu Ji increase Source: Daily farmer
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