1. Returning to the green fertilizer When the wheat seedlings start to return to the green, the fertilizer can consolidate the tillering before winter, increase the tillering in spring, increase the number of panicles per acre, and increase the central leaves to promote the differentiation of small flowers. In large-scale production, lean land, late wheat, and weak seedlings tend to be small in size and insufficient in number of panicles, which is the main factor affecting yield. It should be applied early to green fertilizer and promote spring hair. For every 667 square meters (1 mu), 30 kg (30 kg) of ammonium bicarbonate or 15 kg (15 kg) of urea is applied. The pre-fertilizer is sufficient, and the general wheat field with good growth does not return to the green fertilizer in principle.
High-yielding wheat, in the stage of greening and jointing, the leaf color has a physiological process of “green-yellow-greenâ€. It reflects the smooth transfer of plant growth centers and the redistribution of nutrients. It should be flexible according to leaf color changes and group dynamics. Anyone who can return to green normally does not usually return to green fertilizer. If you want to apply green manure, you should also use the hanging edge, "catching the yellow pond" and promoting the balance to ensure the stability of the middle and long-term, control the central leaves, hold the base section, and reduce the invalid tillers.
2, jointing fertilizer application of wheat jointing fertilizer, both the role of flower promotion and flower retention, significantly reduce the number of degraded spikelets and degraded florets, is the key fertilizer to increase the number of grains per ear; can also consolidate effective tillers, promote the upper ranks Rooting grows and enriches the stalk, so that the internodes of the ear are elongated, and the functional period of the upper three leaves is enhanced and extended. 5 kg (5 kg) of urea per 667 square meters (1 mu) is used to facilitate grain formation and grouting.
The time for the application of jointing fertilizer depends on the seedlings: under normal circumstances, it is necessary to grasp the leaf color of 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 first part of the joint When the color has fallen, it should be fertilized in advance.
3, Jianye fertilizer Application of Jianye fertilizer is a new technology for high-yield wheat cultivation. Properly applied, it 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 small flower degradation, increase the 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 (3 kg) of urea should be applied per 667 square meters (1 mu). (Wan Huien)
Excerpt from: Agricultural Bo seed industry
High-yielding wheat, in the stage of greening and jointing, the leaf color has a physiological process of “green-yellow-greenâ€. It reflects the smooth transfer of plant growth centers and the redistribution of nutrients. It should be flexible according to leaf color changes and group dynamics. Anyone who can return to green normally does not usually return to green fertilizer. If you want to apply green manure, you should also use the hanging edge, "catching the yellow pond" and promoting the balance to ensure the stability of the middle and long-term, control the central leaves, hold the base section, and reduce the invalid tillers.
2, jointing fertilizer application of wheat jointing fertilizer, both the role of flower promotion and flower retention, significantly reduce the number of degraded spikelets and degraded florets, is the key fertilizer to increase the number of grains per ear; can also consolidate effective tillers, promote the upper ranks Rooting grows and enriches the stalk, so that the internodes of the ear are elongated, and the functional period of the upper three leaves is enhanced and extended. 5 kg (5 kg) of urea per 667 square meters (1 mu) is used to facilitate grain formation and grouting.
The time for the application of jointing fertilizer depends on the seedlings: under normal circumstances, it is necessary to grasp the leaf color of 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 first part of the joint When the color has fallen, it should be fertilized in advance.
3, Jianye fertilizer Application of Jianye fertilizer is a new technology for high-yield wheat cultivation. Properly applied, it 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 small flower degradation, increase the 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 (3 kg) of urea should be applied per 667 square meters (1 mu). (Wan Huien)
Excerpt from: Agricultural Bo seed industry
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