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The main crop of the previous crop in the single-cropping rice area. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 Through years of practice, the author summarizes the supporting technologies related to the high-yield cultivation of spring-planted potatoes in single-season rice areas as follows. 1. Arrange the sowing period of spring potatoes reasonably according to local conditions. The sowing date of spring potatoes should be determined according to the altitude, the final frost period in early spring and the late crop. Generally, it is based on the stability of the soil at a depth of 10cm to reach 7~8 °C. In the area of 400~600m above sea level in Lingjiao Township, sowing is mastered in early February; In mountainous areas above 600m above sea level, sowing is generally mastered in late February to avoid the impact of early spring frost and late high temperature weather on tuber expansion. Most of the early-to-mid-maturing potato varieties have a full growth period of 90~100 days, which are sown in mid to late February and can be harvested from the end of May to early June, which does not affect the transplanting period of single-night rice. 2. Fine land preparation, high furrow cultivation. Potato is a tuber crop, and the topping ability is poor when it emerges, which requires good soil permeability. Therefore, it is necessary to choose the sandy loam soil field with deep cultivated layer, loose soil, medium fertility and convenient drainage and irrigation, such a field, the soil temperature rises quickly, the seedlings emerge in time after sowing, the harvested tubers are clean, the potato shape is regular, and the commodity attributes are high. Every autumn and winter, after harvesting, the water source should be cut off in time and ditched and drained [1]. Most of the roots of potatoes are distributed in the soil layer of 30cm, so they should be ploughed about 30cm before winter to whiten the soil to fully mature, and the ploughing and whitening time should not be less than 45d. The spring rainfall in Lingjiao Township is abundant, and the drainage ditch should be left enough when the furrow is straightened, and the deep ditch should be opened and the high furrow should be made. The furrow height is 30cm, the furrow width is 25~30cm, the furrow width is 1.2m, and it is planted in two rows. When preparing the land, it is necessary to rake and level, especially the paddy soil with mild compaction, and it needs to be intensively cultivated to meet the requirements of the soil environment for tuber expansion. Farmers who have prepared farm manure (soil manure or well-rotted livestock manure) can apply organic fertilizer before land preparation, combined with 3% phoxanthion granules, to control underground pests. In addition to the nitrogen, phosphorus and potassium required for potato growth, farmhouse fertilizer also contains trace elements and beneficial microorganisms, which can not only provide the nutrients needed for potato growth, increase soil air permeability, but also enrich the soil, which is conducive to the expansion of potato tubers and high yield. Farmhouse manure should be combined with furrow rotary tillage into the soil when preparing the land. 3. Select improved seeds, disinfect and promote germination. When selecting seed potatoes, it is necessary to consider the high yield, adaptability, growth period and product quality requirements of the variety. At present, the varieties promoted and planted in Lingjiao Township include Quanyun No. 4, Holland No. 15, Detoxification No. 175, Zhongshu No. 3, Fujian Shushu No. 1, Zhongshu No. 5, Atlantic, Kexin No. 3, Kexin No. 19 and Fokker 212, etc., which adopt the method of autumn multiplication and spring planting to solve the problem of production of seeds. Before sowing, the seeds are required to be disinfected, and the seeds can be soaked in formalin diluted 200 times for 5min or sprayed with a film after spraying the potato pile and steamed for 2h. For seed potatoes that have not completed physiological dormancy, germination should be carried out 15~20 days before sowing, and gibberellin can be used to break its dormancy, and when the whole potato is germinated, it can be soaked in 5~10mg/kg aqueous solution for 3~5min before germination; For the cut seed potatoes, the concentration of gibberellin should be smaller, and the 1~3mg/kg aqueous solution can be soaked for 3~5min. The germination temperature is controlled at 15~20 °C, and the bud length of 1cm can meet the requirements of sowing. Large potato seeds can be cut into pieces to ensure that each seed potato has 1~2 sprouts, the quality is more than 25g, and the cut surface is smeared with plant ash to reduce the cost of seed potatoes. 4. Reasonable dense planting, plastic film covering. The planting density of potatoes should be reasonably densely planted according to the characteristics of the variety, with more branches and larger foliage varieties, such as Zhongshu 2, Kexin 3, Kexin 19, Fujian Shu 1 and Fokker 212, with a plant row spacing of 35cm×75cm, and 2200~2500 holes planted at 667m2; Varieties with less branches and shorter plants, such as Zhongshu 3, Zhongshu 5, Quanyun 4, Holland 15 and Atlantic, can be planted in a dense manner, with a row spacing of 30cm×70cm, and 3000~3200 holes of 667m2 species. When sowing, the bud eye is facing downward, and then covered with soil 8~10cm, and covered with plastic film to increase the soil temperature in early spring, early emergence, and promote early root development, so as to achieve the purpose of increasing yield. 5. Heavy application of basal fertilizer and early application of top dressing. Potatoes consume more nutrients in the whole growth process, and every 1000kg of fresh potatoes need to absorb 5.8kg of nitrogen, 2.5kg of phosphorus and 10.8kg of potassium, that is, the fertilization ratio is about 1:0.5:2. Due to the short growth period of potatoes, they need more nutrients in the early and middle stages, so they must be reapplied with basal fertilizer. The base fertilizer is mainly organic fertilizer and phosphorus and potassium fertilizer, which is applied in holes or strips, and 500kg of human feces and urine can be used to add 15kg of calcium and 15kg of potassium sulfate per 667m2 to the bottom of the hole. Cover seed fertilizer per 667m2 of burning soil 1000kg and livestock manure 300kg mixed and applied. Top dressing is generally carried out twice, the first time after the seedlings, with rotting human feces and urine plus 10kg of urea and 5kg of supercalcium, in order to promote the rapid growth of seedlings; In the second reappearance of the thunder period, potassium fertilizer was the main fertilizer, with an appropriate amount of phosphate fertilizer to meet the needs of potato formation. 6. Timely soil cultivation, ditch cleaning and stain drainage, etc. However, in the process of intelligence analysis, the results often come out of the example that are not what the user wants, and in these cases, the main mistake of the intelligence analyst is focused on the initial problem definition, and this paper mainly provides a certain reference for the intelligence analysis work by analyzing how to define the problem in the intelligence analysis. Keywords: Definition of Intelligence AnalysisProblem 1, Why is it necessary to define intelligence problem (1) Definition of intelligence problemIntelligence analysis is based on the objective analyzed, and intelligence target is a complex network with multiple aspects. The amount of information and the breadth of information that can be generated by an intelligence target are very wide, so different groups of people will have different interests in the same target, so they will raise different questions that need to be answered by intelligence analysts, and the question here is the intelligence analysis problem we are discussing today. (2) The questions provided by misleading users to intelligence analysts are often imperfect and even misleading, and here we should draw a definition - the framing effect. The framing effect means that even if a user reassembles the same amount of raw information with Logitech to arrive at a completely opposite logical framework, the user will still tend to think in accordance with the logical framework we provide. As a simple example, dividing doctors with the same skill level into two groups to perform two identical surgeries would give the first group of doctors a 93% chance of success. The message to the second group of doctors was that the chance of failure of the surgery was 7%. The two groups of doctors had a completely different approach to surgery, with the first group tending to perform surgery and the second group tending not to perform surgery. This is a typical example of the framing effect. (3) The necessity of defining intelligence issuesFrom the above discussion, it can be seen that intelligence analysts are easily affected by the framework effect, and we tend to think about and analyze problems according to the thinking logic of the questions raised by users, but users often cannot express their thoughts clearly, which causes the problem that the products produced by intelligence analysis do not meet the needs of users, so before the intelligence analysis work begins, it is necessary to define the intelligence issues in detail, so as to reduce the mistakes in the process of intelligence analysis, and the output of intelligence analysis is more in line with the needs of intelligence users and improve the quality of intelligence analysis。 Two Methods for defining intelligence problems (1) Determining when the results need to be submitted In traditional intelligence analysis work, there are often situations where intelligence analysis results are submitted too late, and under normal circumstances, intelligence users need a certain amount of intelligence analysis results to support while making decisions, but intelligence users themselves do not know when and what amount of intelligence is needed, which isolates intelligence analysts from intelligence analysis users to a certain extent, so the first part of defining intelligence analysis problems is to determine the time when intelligence analysis needs to be submitted, and submit the appropriate intelligence analysis results to users at the right timeso that they have enough intelligence resources at the right time for them to make decisions. (2) The process of determining the intelligence user intelligence analysis is an interactive process, in this process, the intelligence will pass through the hands of many units, which leads to the intelligence will not be the information that the user gets to a certain extent, and sometimes there is even a danger of intelligence leakage, so the second step in defining an intelligence problem is to clarify who the user of the intelligence problem serves. The user will determine what the question needs to be answered for an intelligence target with its own particularity, and always keep in mind that the intelligence user can enable the intelligence personnel to more accurately analyze the position and needs of the intelligence user, so as to achieve the purpose of accurate analysis of the problem. (3) The use of intelligence problemsThe use of intelligence analysis products by users often determines the breadth of intelligence analysis products, and we cannot only analyze the intelligence problems themselves, but also analyze the problems associated with them, for example, a user needs to analyze the popularity of its own products in the market. For this intelligence problem, the intelligence analysis products required by users are different for different purposes. If users use it mainly to improve the quality of their own products, then the intelligence analysis product should not just give users a percentage of popularity, but we should add the unpopular points and build with some appropriate improvements