The jointing period of sugarcane, also known as the elongation period, is the key time to form sugarcane yield, is also the golden period of sugarcane jointing vigorous long. After sugarcane into the long extension, the root system developed, water absorption, fertilizer capacity greatly improved, the demand for light, temperature, water, fertilizer reached the peak, at this time, fertilization, soil, disease and insect control agronomic measures to keep up in time, to maximize the need to meet the rapid growth of sugarcane. To do a good job in the golden period of sugarcane field management, sugarcane yield and sugar increase are crucial!

1., Heavy application of nitrogen fertilizer

The jointing stage of sugarcane is the most important time in the whole growth stage, because the stems and leaves of sugarcane in this stage will grow rapidly, and it is the period with the largest amount of fertilizer. At this stage, the amount of fertilizer required by the plant accounts for half of the total amount, so it is necessary to focus on fertilization, with nitrogen as the main fertilizer, to promote the growth and development of the stem, increase the sugar content in the body, and improve the yield.But not only excessive, but also appropriate supplement phosphate potash fertilizer, according to the soil fertility and the growth of sugarcane appropriate topdressing. It can be ditched and fertilized by 40kg/ mu of good fang 24-6-16. After fertilization, the soil can be covered with moisture content.

2. High earthing to prevent lodging

During sugarcane elongation, high earthing should be done in combination with fertilization. Earthing up can not only keep fertilizer, improve fertilizer efficiency, but also promote sugarcane root to develop, prevent lodging. The specific method is: through many times of thin earthing, to achieve high earthing, each earthing only covers the first section of sugarcane head, so that sugarcane head successively roots, conducive to the growth of sugarcane. Also pay attention to the side line management in high earthing, such as the side line to add fertilizer, earthing, prevent human and animal trampling, in order to overcome the phenomenon of edge.

3, Timely removal of the old leaves

Strong permeability is one of the important factors to ensure the good growth and development of sugarcane. The growth rate of sugarcane in the later stage is very fast. Basically, a new leaf will grow out every week. Therefore, it is necessary to strip the leaves from the feet and old withered and yellow leaves, enhance the ventilation and light of the sugarcane field, promote photosynthesis, make the stalks strong, enhance the lodging resistance, and increase the sugar content. At the same time, it is also conducive to the prevention and control of diseases and insects, reduce harm, and improve the yield per unit area of sugarcane. Sugarcane leaves can also be fed to cattle or used as fodder.

4, Irrigate water to prevent drought strong stem

Sugarcane into jointing vigorous long-term, in the case of good conditions of water, fertilizer, can grow 3 ~ 3.5 cm high every day, can grow 80 ~ 90 cm high every month, so we should pay attention to irrigation. Especially in the case of drought, irrigation should be carried out in a timely manner and the soil moisture content should be maintained at 60% ~ 80%. Hill slope to seal the end of the row, for rain water protection. Sugarcane furrow is covered with old leaves or plastic film, and interplanting cash crops can also be used to increase furrow covering to reduce soil moisture evaporation. Conditions to pump irrigation, to avoid drought production. Where there is water, we must lose no time to fill good water, in order to ensure a good harvest of sugarcane.

5. Prevention and control of diseases and insect pests

Jointing period is not only the season of vigorous jointing of sugarcane, but also the period of various pests and diseases. For example, the stem borer and the erborer in July, the beetle and the silk worm in August ~ September, especially the silk worm feeding on the root of sugarcane, will cause sugarcane wilt and lodging, which is very harmful. Prevention and control measures: according to the insect situation, timely application of drugs. In the sugarcane field with dry heart, 1.5 ~ 3 kg carbofuran was applied every 667 meters to kill not only ants and borer, but also underground pests, such as ground tiger, beetle and silk worm, with good effect.