Cultivation method for promoting sugarcane tillering stem formation and internode sugar accumulation under continuous cropping obstacles
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A cultivation method and continuous cropping obstacle technology, applied in sugarcane cultivation, fertilization methods, botanical equipment and methods, etc., can solve the problems of reduced sugar accumulation, more ineffective tillers, and fewer effective stems, etc., achieve fast degradation and reduce management work , Improve the effect of yield and quality
Active Publication Date: 2021-06-25
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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[0003] The purpose of the present invention is to provide a cultivation method for promoting sugarcane tillering into stems and internode sugar accumulation under continuous cropping obstacles, so as to overcome the existing sugarcane continuous cropping production with few or inhibited tillers, many ineffective tillers and few effective stems, and lodging of sugarcane Defects of severe reduction of sugar accumulation in internodes of post- and continuous-cropping ratoon cane
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Embodiment 1
[0033] The sugarcane variety tested is Guitang No. 42, the largest main plant variety currently, and the test site is located in Fenghuang Town Base, Xingbin District, Laibin City, the largest main sugarcane producing area in Guangxi. Planting in March 2019, the planting method includes the following steps: (1) Soil preparation: use 180 power tractors to carry out deep plowing and deep loosening of the continuous cropping sugarcane field, so that the soil in the plowing layer of the continuous cropping sugarcane field is deep, loose, broken, The width of the planting trench is 50cm, and the width of the planting row is 1.2m; of course, other planting widths can also be used.
[0034] (2) Combined application of base fertilizer and reduced application: apply 500 kg of decomposed farmyard manure, 20 kg of calcium magnesium phosphate fertilizer, 4 kg of potassium chloride and 5 kg of urea as mixed base fertilizer per mu; apply 8 kg of silicon fertilizer. Apply silicon fertilizer ...
Embodiment 2
[0053] The sugarcane variety tested is the current main variety Guiliu 05-136, and the test site is located in the sugarcane planting demonstration area of Jinguang Farm, Xixiangtang District, Nanning City, Guangxi. Planted in March 2019, the planting method includes the following steps:
[0054] (1) Soil preparation: turn over the stubble and continuously crop the permanent root sugarcane field and carry out deep plowing and deep loosening of the soil preparation with a 160 horse power tractor, so that the plow layer soil of the continuous cropping sugarcane field is deep, loose, broken and flat, and a planting ditch is opened; the width of the planting ditch is 60cm, the width of the planting row is 1.2m; of course, other planting widths can also be used.
[0055] (2) Combined application of base fertilizer and reduced application: apply 400 kg of decomposed farmyard manure, 25 kg of calcium magnesium phosphate fertilizer, 3 kg of potassium chloride and 4 kg of urea as mix...
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Abstract
The invention relates to the technical field of sugarcane planting, and discloses a cultivation method for promoting sugarcane tillering stem formation and internode sugar accumulation in advance under continuous cropping obstacles. The cultivation method comprises the steps of (1) soil preparation; (2) base fertilizer combined application and reduced application; (3) factory seed production; (4) planting; (5) sealing ridge (when the land ground is fully covered by crops) and weeding; (6) field management; and (7) timely harvesting. According to the method, healthy sugarcane seed stems are industrially manufactured and coated with a degradable coating film and then planted, seed soaking is not needed, combined application and reduced application of base fertilizer and silicon fertilizer / biochar are combined, a potash fertilizer containing a proper amount of a plant growth regulator is additionally applied in the early tillering stage, and early tillering and rapid tillering and seedling strengthening of the sugarcane can be promoted in advance; the effective tiller seedling number of the sugarcane is ensured, and the lodging resistance of the sugarcane can be improved; and in the initial stage of elongation, an unmanned aerial vehicle is adopted to evenly spray the self-prepared sugarcane sugar-increasing growth promoter, tillering and jointing can be promoted, effective stems can be formed through rapid elongation, rapid accumulation of sugar among stem nodes in advance is further facilitated, and then the sucrose content and the per unit yield are increased.
Description
technical field [0001] The invention belongs to the technical field of sugarcane planting, in particular to a cultivation method for promoting sugarcane tillering and stem formation and internode sugar accumulation under continuous cropping obstacles. Background technique [0002] So far, sugarcane planting and management in my country's sugarcane areas have been in a state of continuous cropping all year round. The low yield per unit area of sugarcane and the few years of perennial roots are still the most serious bottlenecks facing my country's sugarcane areas, which are closely related to the obstacles of continuous cropping of sugarcane to a large extent. . With the regional development of crop breeding and the supply side of the production structure, the crop production areas are relatively concentrated, and the continuous cropping of crops has gradually become a common trend. It can be seen that continuous cropping obstacles have become the bottleneck of stable and hi...
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