Many corn growers, in the corn planting management process, only plant a large amount of elemental fertilizer application, thus neglecting the supplement of trace elements, making the soil easy to lack zinc and boron, reducing the effectiveness of fertilizer, and also causing adverse effects on corn growth. The impact has led to the emergence of spikes in the ears of corn, so today Xiaobian talks about the method of preventing the baldness of corn ears - "two zinc-boron" fertilization technology.
1. The function of zinc and boron and the lack of harm to corn
1. Zinc and boron are essential trace elements of crops, which play an important role in crop growth and metabolism, and can enhance the cold resistance and drought resistance of crops. . Zinc can promote the synthesis of tryptophan, and is also a component of a variety of enzymes, which can have a wide impact on crop metabolism. Boron can promote crop cell elongation and cell division, which is beneficial to crop root growth and fertilization and seed formation, and improves seed setting rate.
2, the corn seedling stage zinc deficiency will appear "white seedlings", when the 3-5 leaves grow, there will be "white seedling" symptoms, young leaves are pale yellow to white, adult plants will affect the corn grain filling, resulting in the top of the fruit bad. The lack of boron affects the normal growth of the roots and stems of the corn, resulting in abnormal development of the ear.
Second, the application effect of "two zinc-boron" technology on corn
The "two zinc-boron" technology can effectively solve the problem of corn "white seedling" caused by zinc and boron deficiency and the "bald tip" of the ear. After applying zinc and boron, the corn ear is well-edged, and there is no "baked tip", which increases yield by 5.1%. 8.0%, while also improving the disease resistance of corn.
Third, the method of use
Fertilization of corn is generally carried out by applying compound fertilizer or urea as a base fertilizer before arable land. Currently, most of the 25% granular zinc and 15% granular boron in the market have a packaging specification of 200 grams per bag. The "two zinc-boron" technology is simply to add two bags of granular zinc and one bag of granular boron per acre in the base fertilizer. After sufficient agitation, it is evenly mixed with the base fertilizer, and then applied or machined with the cultivated land. The operation is buried in the soil.
Fourth, technical characteristics
“Two zinc-boron†is relatively simple in practical operation, and the effect is obvious after application, and the fertilizer effect is long. It is not necessary to fertilize every year, and this method does not change the original fertilization habit and adapts to the current knowledge level of rural labor.
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