Application of Soil Moisture Speedometer in the Implementation of Corn Planting Technology

As a large agricultural country, China’s land resources are in short supply. If we want to raise more food, it is imperative to increase the food production per unit area. Reasonable dense planting technology is an important measure to increase grain production in China and guarantee supply. So what is the principle of rational close planting? According to the characteristics of the varieties, the planting density should be determined, and the compact varieties should be dense; the fertile land should be dense and the thin land should be thin; the areas with irrigation conditions should be dense, and the dry areas should be thin; the sandy soil should be dense, and the clay loam soil should be thin. In the implementation of dense planting technology, the determination of soil moisture content is very important. Generally, soil moisture meter can be used for scientific determination.

After soil moisture was measured by a soil moisture meter, dense planting of soybeans, wheat, potatoes, corn and other fertilizers with deep tillage, high fertility, water retention, fertilizer retention, and good drainage were selected for dense planting of corn. On the foundation of deep or loose foundation, the ridges should be ridged or clamped with ridges, and the ridge distance should be 130 centimeters (140 centimeters) so as to reach the sowing state. The original ridge is changed to a large ridge and is suitable for soft pods such as soybean with good soil moisture content. The original ridge is broken at every ridge to form a large ridge. According to the local natural conditions, the accumulated temperature requirements of the varieties themselves and cultivation conditions and other factors, the appropriate density (including compact varieties), high-quality and high-product varieties for the growth period are selected.

Maize seedling stage is the period of growth and differentiation of roots, stems, and leaves. The growth of the aboveground part is slow. The root system is the center of construction. Various measures should be taken to protect seedlings, promote roots, and promote strong seedlings. To achieve neat, uniform, no empty line, no broken bar. The seedlings have dark green leaves, well-developed root systems, and plants that are dense and uniform in growth. Weeding and weeding can generally be carried out 3 times. For the first time, the depth of corn cultivating is 10-12 cm, and the pressure seedlings and seedlings should be avoided. In the second and third cultivators, the cultivator can reach a depth of 16-18 cm. Can play a cold warming, eliminate weeds, drought protection, lodging resistance.

Close planting technology also faces the invasion of weeds during the planting process. Only reasonable weeding techniques can ensure the supply of soil nutrients to corn. Chemical weeding, chemical weeding before sowing, soil measurment using soil moisture meter, in soil with better soil moisture, can be used before sowing or after sowing, soil treatment, can be used 90% per hectare Tongnongsi (closed soil) 1.5-2 kg plus 75% thifensulfuron 20 g plus 72% of the 2.4-D butyl ester 500 ml, spraying 500-750 kg of water on the soil.

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