North China Sugarcane Management Technology

From July to September in the north, hot summer scorching people is the peak period of multicolored sugarcane thickening. To manage the quality and high yield of honeysuckle, management in summer and autumn is particularly critical.

First, choose to stay strong seedlings

The number of seedlings in the multi-colored sugarcane tiller is more than double that of the Daejeon basic seedlings. After removing the ridges, excess tillers are removed and effective tillers are kept. The distribution of the cane seedlings in the field is reasonable and the growth is balanced. The selection must be made. The principle of Liu Miao is: to stay weak and strong, to stay sick, to stay secret, to stay early, to stay shallow. In addition to ignorance, the seedlings should not be over-provisioned, and the number of basic seedlings per mu should not exceed 5,000, so as not to affect the advantages of the group. Method and time: In addition to mites, the roots were completely removed with a knife to ensure no germination. Generally, the first small seedlings are set in combination with medium soil in the midst of tillering, combined with large earth for the extension period of jointing, and then the second large seedling is set up.

Second, top dressing

To promote the weak seedlings for the poor base fertilizer, soil alkaline or weak seedlings of the second and third types of sugarcane fields, should be combined with water or soil after the rain from the start, the appropriate application of potassium sulfate 20 kg / acre, urea 10 kg / acre . The "old shrinking seedlings" sugarcane fields with a straight leaf, a drooping leaf that does not sag or a small heart, and a greenish green color must be top-dressing, but the amount of fertilizer is not easy to overestimate. Red and yellow soil sugar cane fields are acid and heavy, and 40-50 kilograms of quicklime powder can be used to reduce acidity and improve soil physical and chemical properties.

Third, Qiao Shi modifier

1. Seedlings with strong shoots. After the Dragon Boat Festival, the honey cane enters the 4-5 leaf stage, and is sprayed with potassium dihydrogen phosphate and “Qi Qi Fa” in watering leaves. Once in 7 days, it is sprayed twice, and the sugarcane seedlings are rapidly turned to flourish.

2. Positioning thickening spray. After the wheat harvest, the sugarcane seedlings entered the jointing stage and sprayed “U.S. Keppel” for 10 days for 5 consecutive times, which was extremely beneficial to cell division, expanded the length of the internodes, and increased the thickness. Spraying after the rain, the effect is better. The nozzle is required to position the bell mouth of the direct spray blade.

3. Sugarcane stems sugar spray. August to September is the peak period of colorful sugarcane reproductive growth. After 10 days of spraying, the “sugar cane is sweet and long” sugar enhancer, and even sprayed three times, can effectively accelerate the accumulation of sugar and increase the crispness of the sugar cane. .

Fourth, staging old leaves

After the autumn, the removal of yellow leaves and the removal of invalid tillers are important measures to ensure that the colored sugar cane grows thicker and more colorful and high-yield and high-quality. In order to reduce unnecessary nutrient consumption, increase light and heat rates, increase ventilation. When peeling the leaves, it is necessary to grasp the leaves with a little force and pull them down to avoid pulling the bark to cause rotten knots. If it is to leave the sugarcane field, it is better to use the method of cutting leaves to remove the sheath to eliminate the yellow leaves on the base. This can prevent the aging of the sugarcane sprouts, reduce the damage rate of the sugarcane sprouts, and increase the germination rate. Stripping Note: Stripping leaves too much early, easily lead to short stem details, less sugar, low yield. The yellow leaves of the feet should be peeled off first, and the young leaves that have not yellowed must not be removed to prevent the stems from being damaged. Bottom-up, split-off, found invalid childbirth, requiring root removal, leaving no residual stems.

Fifth, strapping and lodging

For the sugarcane fields that are not lifted or are not raised high, they should grasp the soil after the rain or after the watering, and use the foot to practice it. In the sugarcane field where growth is likely to be prone to lodging, before the storm comes, we must seize the old leaves with straw or peeling off, bind the adjacent 3-4 strains together, and we can also bind and consolidate the sugarcane continuous plant groups to resist Stormy weather.

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