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Second, the construction of Mayuan Park According to the characteristics of high groundwater level and large winds in the plain lake area, when the park is built, Madi should concentrate on continuous cropping, establish windbreak forest belts, and construct a drainage and irrigation system. Generally 0.6-1 hectares, not less than 0.3 hectares, according to the topography of drainage and irrigation main channel, the main channel as the baseline, according to the north and south, every 50 meters or so, every east to west every 100-150 meters, set up a branch canal and transport Roads, branches and ditches are 1-2 meters wide, 0.8-1.6 meters deep, and the transport road is about 3 meters wide. The two are alternately arranged. In the hilly and mountainous regions, the slope should be within 30 degrees, and the optimum is about 5 degrees, and the best level is 5-15 degrees. The length of the ladder is about 30-100 meters, and the width of the ladder is determined by the slope size, which is suitable for 34 meters. The width of a small slope can also be larger, and a 2 meter wide road can be built on the top and bottom ends of both ends of the ladder. When the road winds, one or two trees are planted on the slope to reduce wind damage.
Third, cultivation and management
1. Comprehensive use of a variety of rapid propagation methods in field production, comprehensive utilization of tiller propagation, fine cut root propagation, cut bud propagation, pinnae propagation, layering and in vitro layering, young shoot cutting propagation, etc. Asexual reproduction. In old Ma district, the method of propagation of seedlings by straight roots and cutting buds is mainly adopted. In Xinmao district, young shoots are used for breeding and transplanting. In principle, seed propagation is not adopted.
2. Apply basal fertilizer to the selected site, deepen the soil, and apply enough basal fertilizer. Generally, 25-40 kg of phosphate fertilizer is applied per acre, and 100-200 tons of earth-miscellaneous fertilizer or 20-30 tons of human animal excrement or 40-50 kg of cake fertilizer.
3. Film mulching, early-growing and early-planting experiments According to the test, the mulching of rice mulching is better than straw-covered seedlings, and the ground temperature is increased by 1.3-8.1°C, with an average increase of 3.27°C. The emergence is 10 days earlier. At the same time, there are 2 more transplanted leaves, and the seedling height is 1.8 cm. Crude 0.08 cm, 0.4 cm root length.
4. Planting reform, improve planting density change equidistant or near one row wide row planting; Second modified stump sparse set of dynamic cultivation density, i.e. row by row planting width specifications, increase line width in the line Ma Miao (stump), the density increases, then the winter or spring of next year and then to increase the anti-hemp stump sparse to use the right density returned to normal size.
The change rhizosphere rhizosphere foliar fertilizer foliar spraying techniques using, potassium dihydrogen phosphate promotion, stimulation Ling, rare earth, fertilizer, hormones, and other fertilizer per acre can increase raw jute 8.31% -15.69%.
6. Straw-covered Madi After the early rice harvest, fresh grass is sprinkled between the rows of the harvested Ma Ma Park. Generally, about 1,500 kilograms of fresh grass is planted per mu. It can play a fertilizer drought, soil improvement role. Increased production by 8%-10% compared to uncovered hemp gardens.
7. Timely break of the pole early, change to a quarterly hemp for 2-3 seasons Ma historical habits Xinma broken rod is hemp black rod 2/3, most of the leaves off, the ground eye department has grown dying buds as the standard, Due to the late transplanting of seedlings, it is difficult to reach the broken pole standard when harvesting. Therefore, the majority of Xinmayuan was only able to break the bar for three months at the same time, timely break the rod, that is, to widen the breaking rod standard of Heicu bacillus 2/3 to 1/3, which can achieve 2-3 seasons For the purpose of the survey, according to large-scale surveys, the output of the second crop of Xinmao was 41.9% higher than the output of the first crop, and the output of the new crop was 69.3% higher than the crop harvested three times annually.
8. Do a good job Dongpei Ramie Dongpei is mainly cultivating, heavy fertilization and proper earthing three links. Do "a careful tie together, a solid layer of manure, loose soil layer of soil."
Fourth, timely harvest seedlings unearthed to mature about 90 days, two Ma about 60 days, three Ma 80-90 days. Ramie harvest is very seasonal and must be harvested in a timely manner to achieve higher yields and higher quality. The harvest was too early, the spiking was not sharp, the fiber was not substantial, the yield was low, and the quality was poor; the harvest was too late, the fiber was lignified, coarse and hard, the color was poor, and the quality was reduced, which also affected the growth of the next season. In the timely harvest season in the Yangtze River valley, the general kennel “Mang†is introduced into the “summer solstice†(from early June to late June), and the second 麻 from “大暑†to “立秋†(from early July to late August). From "cold dew" to "frost" (mid-to-late October). We must do a good job of "four fasts" for harvesting, that is, fast harvesting, quick cutting, fast cultivation, weeding, and fast fertilizer. Generally, we first receive wind damage, lean soil, broken rods, followed by fat, soil, and finally harvest. Yamyama Ma and late mature Ma. After the ramie is harvested, the ramie is peeled off and processed in time.
Ramie planting technology
I. Selection of varieties The main varieties to be promoted in our country include Xiangjing No.2, Xiangxi No.3, Huajing No.2, No.1 No.1, and Luzhuqing.
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