Corn sowing time and method

Corn is an annual herbaceous plant of the genus Zea mays of the family Poaceae. It is an important food crop and feed crop in China. At the same time, corn is rich in protein, vitamins, cellulose, etc., and has a high planting value. Let’s talk about the sowing time and method of corn.

1. Planting time

The planting time of corn varies from region to region and is mainly affected by climatic conditions. Generally speaking, corn should be planted when the temperature has steadily risen and the soil moisture conditions are good. In northern my country, spring corn is usually planted from late April to early May; while in southern China, due to the warm climate, the planting time can be advanced to late March to early April. Growers should choose the appropriate planting time based on local climate characteristics and soil conditions.

2. Planting Method

1. Site selection and land preparation

Corn does not have high requirements for soil, but fertile, loose, well-drained soil is more conducive to its growth. Before planting, you should choose a flat plot with deep soil, and carry out deep plowing to improve soil structure and increase soil fertility.

2. Seed selection and sowing

Selecting high-quality corn varieties that are adapted to local climate and soil conditions is the key to ensuring high yields. Before sowing, seeds should be screened and processed to remove diseased, barren and foreign grains to ensure seed purity and germination rate. When sowing, you can choose an appropriate sowing method according to soil moisture and climatic conditions, such as row sowing, hole sowing, etc. The sowing depth should be controlled between 3-5 cm, and the sowing amount depends on the variety and planting density.

3. Fertilization and management

Corn needs adequate nutrient supply during its growth. Before planting, sufficient base fertilizer should be applied, mainly organic fertilizer , with an appropriate amount of chemical fertilizer. During the growth period, topdressing should be applied in time according to the growth of corn to meet its needs for nutrients such as nitrogen, phosphorus and potassium. At the same time, field management should be strengthened, including weeding, loosening soil, irrigation, etc., to create a good environment for corn growth.

3. Planting process

1. Management after sowing

After sowing, pay close attention to the growth of corn, check and replenish seedlings in time to ensure that the seedlings are uniform and strong. At the same time, we must do a good job in disease and pest control, adopt a combination of agricultural control, biological control and chemical control to effectively control the occurrence and spread of diseases and pests.

2. Heading stage management

After corn enters the ear stage, it enters a critical period of growth and development. At this time, fertilizer and water management should be strengthened to promote large ears and more grains. At the same time, we should pay attention to the prevention and control of pests such as corn borers to reduce their harm to corn.

3. Harvest and storage

Corn kernels are ready to harvest when they become hard and the milk line disappears. After harvesting, the fruits must be dried, threshed and stored in a timely manner to prevent mildew and insect infestation. During storage, the moisture and pest conditions of corn should be checked regularly to ensure safe storage.

In short, mastering the correct planting time and method and strengthening field management are the key to ensuring high and stable corn yields. Growers should flexibly adjust planting strategies according to local climate and soil conditions and grow corn scientifically and efficiently.