Analysis of Causes of Maternal Delivery
1, varieties. There are differences between varieties, some varieties have more tillers, and some varieties have fewer tillers.
2, density. In the same species, when the planting density is low, the number of tillers is higher and the density is lower.
3, sowing time. Sowing more seeds early, sowing fewer sowing late.
4, soil fertilizer hydraulic. The higher the soil fertility, the more tillers.
5, the depth of fertilization. The deeper the sub-fertilizer is, the less the sub-basin fertilizer is.
6, sowing depth. Slightly more sowing of sowing, less sowing of deep sowing.
7. As the top growth point of the corn plant is inhibited by different agents, the plants dwarf and produce tillers.
Effect of tillering on the growth of corn
1, do not give birth, can increase the overall leaf area of ​​corn
The leaves of corn are the most important organs of photosynthesis and play a decisive role in the life of corn. There is more leaf area than no tillering to deliver, which lays a good foundation for corn to produce more dry matter.
2, the nutrition of childbirth will be transferred to the main stem ear
After flowering and during grain filling, the ear is the most nutrient-requiring organ. At this time, tillering begins to wilt and nutrients are gradually transferred to the ear.
3. Other effects of labor on corn
Increased root factor; reduced evaporation of soil moisture. The formation of larger canopy layers after the tillering reduces the evaporation of soil moisture, so the tillering can maintain the soil moisture and resist drought; removing the dumplings causes wounds, increasing the chance of invasion of pathogens in the soil.
According to the actual measurement, the output of the tiller was higher than that of the tiller, with an average increase of 22.49kg, and an increase of 2.4%. The yield difference between the two was not significant, and it was confirmed that the corn dumplings were free from picking.
In the end, do you have to use corn for childbirth?
Under normal circumstances, the tiller need not be removed; where the head and the seedling break, the growth and the main stem must be removed at the same time; the lower the overall sowing density, the tiller needs to be removed; the larger rainfall, the need for a strong growing tiller Remove; high-fertility plots need to be removed.
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