How does corn management improve drought resistance? The growers only need to spray it, and drought resistance increases production.
At present, it is the time of summer corn silking, but also when a lot of water is needed. However, this year's weather continues to be hot. In some places, there have been no effective precipitation for several dozen days. In some places, water resources are scarce, which leads to lack of water in corn fields. According to the farmers' reaction, the corn in some areas has not been plucked until now, and the corncob leaves have dried up, and the reduction of corn production is inevitable.
In high temperature and dry weather, the physiological functions of corn growth will be stagnant, and the photosynthesis of leaf respiration will enter a self-protection mode to avoid more water loss, so the crop will grow slowly, if there is no effective precipitation or irrigation for a long time. Seriously, corn plants will die. So for the growers, what methods can alleviate the drought and avoid greater losses? I will share a few tips for you today, hoping to have a guiding role for farmers.
A After the occurrence of high temperature and drought, the growers should take all measures, implement effective irrigation, try to avoid the expansion of drought, timely irrigation, create a microclimate in the field, and improve soil moisture. This is also the most effective method.
B After the drought occurs, if effective irrigation or precipitation cannot be carried out, the grower can spray the humic acid-containing drought-resistant agent on the foliar surface to reduce the transpiration of the corn leaves.
C After the drought occurs, the farmer friend can spray the amino acid mixture + brassinolide to spray, spray once every 7 days, 2~3 times. Foliar application of amino acids can quickly supplement corn nutrition, promote the roots of corn to the soil to absorb more water and nutrients, and reduce the loss of water in corn plants. The brassinolide can promote corn growth and increase the resistance of corn.
D Artificially assisted pollination. During high temperature and drought, some corn is difficult to draw, and pollen natural pollination ability is reduced. Especially for cross-pollinated corn, artificial pollination method such as bamboo stalk powder or powder coating can be used to increase the amount of pollen falling on the stigma. Increase the chance of selecting pollination and fertilization, and reduce the effect of high temperature on the seed setting rate, generally increasing the seed setting rate by 5%-8%. This method is particularly suitable for corn that cannot be bred in some dry areas this year. To be honest, artificial pollination can increase yields, but at such high temperatures, and in tightly populated corn fields, heatstroke can easily occur, making it difficult to do. Therefore, it is quite difficult for farmers to make money by farming friends.
E For the plots that cause drought, it is recommended that the growers timely silage the corn stalks, or plant short-season crops such as cabbage, coriander, and rape in time to minimize losses. The price of corn is low. If the water source conditions permit, farmers can grow corn without planting corn. If the market is good, it will be better than corn.
In the face of dry weather, farmers can only find ways to irrigate, which is the most effective way to solve the drought in the corn. If irrigation is not possible, we can only expect an effective rainfall. I really hope that there will be an effective precipitation in a short period of time, which is tantamount to the greatest gift for farmers. The harvest festival is coming soon, I hope that our growers can really harvest and harvest!
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