Many people like to eat tender corn, often cooked boiled corn as the first choice for breakfast. Corn is widely cultivated in China and is one of the most important crops to be planted in the north every year. It is very suitable for individual planting and large-scale planting. Today we will take a look at corn planting methods.
1. Site selection
The first is to plough the spring. After the Qingming, the spring ploughing begins. It is best to choose after the rain. This will ensure the moistness of the land. The purpose of the arable land is to moisturize the soil, so that the corn has sufficient rooting and germination and subsequent growth. The moisture will ensure the good growth of the corn, and the pits will be aligned in a row and a row on the cultivated land to prepare for the next planting.
2, seed selection
Choose corn seeds to choose corn seeds that are intact, full of meat, and have not been infected with pests and diseases. The temperature of 5 cm from the ground is guaranteed to be around 11 degrees, and the interval should not be too small. The spacing is about 30 cm, and 3-4 seeds can be placed in each pit. After the seeding, the grid should be stepped on, and the thickness is about 4 cm.
3. Fertilization and weeding
The fertilization of corn is not the same as the fertilization of other grains. After the spring is finished, the corn needs to be applied to the farmland, and the fertilizer and chemical fertilizer are evenly mixed on the land. When the corn seedling grows to the knee height, it needs to be Once fertilized, at the heading stage, use 0.5 kg of potassium dihydrogen phosphate and 1 kg of urea to water 100 kg for spraying. When the corn seedlings are sprouted, the weeds around the corn seedlings need to be removed. A stage needs to be removed once.
4, pest control and insect removal
Pests are the most hateful creatures in every grain. Generally, at every stage of corn seedling sprouting, seedling stage, etc., it is necessary to spray pesticides to remove pests, such as cockroaches, and evenly drip irrigation along the corn roots with phoxim emulsifiable concentrate. You can mix the sand with dichlorvos in the mu, and evenly spread along the corn seedlings in the morning. Generally speaking, as long as you pay attention to the maintenance of the corn in each period of time, it is good.
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