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Application of Tianyuanjia Anti-drought Agent on Sweet Potato
Application of Tianyuan Jiapai High-efficiency Drought-resistant and Drought-Resistant Agents on Sweet Potatoes Beijing Pinggu Academy of Agricultural Sciences Liu Feiyin Abstract: Beijing has a shortage of water resources and the situation is severe. Especially in the Pinggu District, water is more precious due to natural conditions. In order to increase the utilization rate of water resources, ensure sustainable development, increase the output of field crops, and improve the quality of agricultural products, we have specially introduced the Tianyuanjia brand of high-efficiency drought and drought-relief agents produced by Shijiazhuang Tianyuan Starch Derivatives Co., Ltd. In order to verify the effectiveness of Tianyuanjia High-Resistance Drought-Resistant and Drought-Resistant Agents on sweet potato, this year, a comparative experiment on the application of high-efficiency drought-resistant agents for sweet potatoes was conducted in Duguohua Orchard, Nanyangqiao Village, Qikou Town, Pinggu District, Beijing. Through experiments, it was concluded that the application of high-efficiency drought-resistant on sweet potato has a significant effect on yield increase, and the yield increase rate is 65.72%, while the quality of sweet potato is also slightly improved. Keywords: High-efficiency drought-resistance sweet potato yield benefits 1. Materials and methods 1. Test period: May 8, 2005-October 23, 2005. 2. Overview of the test site: The test site was located in Nanyangqiao Village, Qikou Town, Pinggu District, Beijing, where soil fertility was moderate and loamy. Intercropping with fruit plums. Transplanting seedlings before ditching, 32.5 kg of compound fertilizer per acre (8-8-9). During the birth period, no fertilizer was applied and irrigation was performed 2 times. 3. Tested products: Tianyuanjia brand high-effective anti-drought agent provided by Tianyuan starch derivative company of Shijiazhuang. 4. Test crops: Sweet potato (sweet potato); Variety: 1385, Test method: Two treatments were set up in the test, and no repetition was made. Treatment 1. Apply 1 kilogram of anti-drought and anti-drought agent per acre (Tianyuanjia high-efficiency drought-resistance agent is mixed with dry soil in a ratio of 1:30. When transplanting sweet potato seedlings, apply a hole to the root of sweet potato seedlings). Treatment 2, control (no drought-resistant agent). Test area: 4 mu of drought-resistant sweet potato and 2 mu of control. 20 strains were processed for investigation and inspection at each site, and finally the yield was determined. Other management is the same. II. Test results and analysis (I) Effects of applying high-efficiency drought-resistant agents on sweet potato yield: Table 1 Test yields Units Units: Kilograms The first point of production The second point of production The yield per plant Mu The harvest density (strain) Per mu yield The control increased the production of kilograms by 1. The drought resistance agent was 8.58.350.84332202714.461076.4665.722, and the control was 5.95.80.58528001638.0———Note: 10 strains per survey point. From the yield table, it can be seen that the yield of sweet potato treated with anti-drought agent was significantly higher than that of the blank control. The increase yield was 1076.46 kilograms, and the increase rate was 65.72%. (II) Effect of using high-efficiency drought-resistant and drought-resistant agents on the survival rate of sweet potato seedlings Table 2 Comparison of survival rate of sweet potato seedlings Treatment of the first point (50 strains) Second point (50 strains) Total dead seedling rate (%) 1. Anti-drought agent 53882, control 1192020 can be seen from the survey data in Table 2, the application of high-efficiency drought and drought resistance agent sweet potato seedling mortality was significantly reduced, even if a small amount of dead seedlings is also caused by the damage of underground pests, mainly because when planting sweet potato seedlings, sprinkled in sweet potato After the drought-resistant agent around the roots of the seedlings sucks enough water, a micro-reservoir is formed in the roots to reduce evaporation and leakage, thus ensuring the survival rate of the sweet potato seedlings. Sweet potato seedlings without drought-fighting agents were damaged by wind, drought and pests. Although three times of seedlings were filled, the rate of dead seedlings still reached 20%. (III) Effects of the application of high-efficiency drought and drought-resistant agents on the growth period and other traits of sweet potato: Table 3 Growth period and appearance comparison treatment Planting date Day/month Regiment period Day/month fruit type color Black skin lesions Blinking eyes 1, Drought-resisting agent 15 /57/6 neat, uniform, smooth surface, bright, uniform color 4% 2% 2, control 8/511/6 rough, uneven color inconsistent matt 15% 12% Table 4 nutrient content of sweet potato comparison table item treatment moisture ( %) Crude starch (%) Soluble total sugar (%) Reduced Vc mg/kg crude fiber (%) 1, Anti-drought agent 71.021.52.641321.202, Control 67.321.22.371301.08 After applying sweet potato anti-drought agent, not only Greatly improved the survival rate of seedling planting, but also significantly shorten the time of seedlings. Through investigation, the sweet potato plant with anti-drought agent was planted 7 days later than the control, but it was 4 days earlier than the control group. It took 23 days from planting to planting trees and 34 days for the control. The growing period was 11 days earlier than the control. From the appearance of the sweet potato at the time of harvest, the sweet potato with anti-drought agent had a smooth and bright surface, a uniform color, and a marked decrease in the black skin and the ground. The control sweet potato had rough surface and different colors, and the exposed tendon was dark, and the incidence of melanosis and palsy was 10% to 11% more than that of the drought-resistant agent. The determination of the internal nutrient content of sweet potato by the Beijing Academy of Agricultural Sciences showed that the nutrient content of the sweet potato with drought-resistant agent was slightly higher than that of the control, and the water content was increased by 3.7% compared with the control. III. Benefit Analysis Table Benefit Analysis of the 5 Sweet Potato Anti-Dry Agents Benefit Analysis Unit: Yuan Project Treatment Yield per acre (Kilograms) Unit Cost per Kilogram Benefit of Anti-Drying Agent Investment Deduction After Adding Benefits Kilograms of Anti-Drying Agents Increase Benefits Apply Drought-Resistant Agents 2714.460.671818.69301788.69721.23 Comparison 1638.00.671097.4601097.46 From this experiment, we can see that, under the same management and the same external conditions, the application of drought-resistant sweet potato can increase the benefits of more than 700 yuan per mu. 4. Conclusions Based on the experimental data for the past year, it is presumed that the application of "Tianyuanjia" brand high-efficiency drought and drought-resistant agent on Pinggu sweet potato has a significant increase in production and can improve the quality of sweet potato. 1. Increased sweet potato yield. The application of anti-drought agent treatment yielded more than 1000 kg per acre than that of no drought-resistant agent, with an increase rate of 65.72%, and an input-output ratio of 1:24.2, which improved the quality of sweet potato. The sweet potato with anti-drought agent applied was smooth, bright and uniform in color, and significantly reduced in black skin and ground. Crude starch, soluble total sugar, reduced-type vc, crude fiber, and water content were slightly higher than those without anti-drought agent treatment. In summary, the following conclusions can be drawn: The Tianyuanjia brand high-efficiency drought and drought-relief agent produced by Shijiazhuang Tianyuan Starch Derivative Co., Ltd. has shown obvious effects in the first year of sweet potato in our district, and it is worth living in our district. Promote use. November 7, 2005
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