High-efficiency planting technique of Zhangpuyu on the alpine slope of Zhangpu County

Zhapu is an excellent traditional variety in the betel nut. The planting area of ​​Zhapu is required to be deep, fertile, loose and convenient for irrigation and drainage. In 2016, in the Sanhe Forest Farm of Longhuai Township, Zhangpu County, the demonstration planting of 100-acre contiguous alpine slopes was carried out. The demonstration technique of the alpine slope in Zhangpuyu in 2016 is summarized as follows.

1 Demonstration site and environment

Sanhe Forest Farm, Longhuai Township, Zhangpu County, with a demonstration area of ​​33hm2. The total area of ​​Sanhe Forest Farm is nearly 1000hm2. It is located on the half slope of 600~700m above sea level. There are forests or bamboo forests in the upper and lower parts. The highest temperature in the period from May to September 2016 is below 32°C, and the temperature difference between day and night is above 10°C. ~9 months, the air humidity is large, above 80%, there are water drops on the leaves before 10:00, the rainfall is abundant and uniform (Table 1).

Table 1 Rainfall statistics of the Zhangpuyu demonstration base on the alpine slope of Zhangpu County

2 Technical points

2.1 Varieties

The second generation of the Guiling No. 2 tissue culture seedlings, 20 ~ 25 / kg.

2.2 Planting time and specifications

Planting from February 23 to March 10, planting a single row around the mountain contour line, the plant spacing is 1.0m×0.4m, and the black film is covered after planting; the planting distance of the paddy field in Xinping Town is 0.9m. ×0.35m, water and fertilizer are managed at a normal level.

2.3 Fertilizer and water management

1 The ratio of fertilizer to top dressing and top dressing per 667 m2 is N:P2O5:K2O=42:21:35. The base fertilizer accounts for 60%, that is, 200kg of peanut bran per 667m2 (more than one month of fermentation in stacking), 100kg of mixed soil testing formula (N:P2O5:K2O=18:8:19), 40kg of calcium magnesium phosphate and evenly applied Planting the inner side of the trench of 0.4m. Topdressing 2 times, the first time from April 5 to 10, 15 kg of urea per 667 m2; the second time of June 20 to 30, 25 kg of urea per 667 m2 plus 30 kg of potassium sulfate, 3 to 5 cm of soil.

2 Irrigation did not carry out artificial irrigation during the whole growth period.

2.4 Pest Control

Control the underground pests of tigers, crickets, crickets, crickets, etc., apply 35 kg of tea bran per planting 667 m2 in planting ditch, and apply 35 kg of tea bran to kill insects when soil is cultivated in late June; use enoylmorpholine and nail cream for disease ·Manganese zinc, nail cream, ethyl phosphine aluminum and other agents are alternately sprayed; Spodoptera litura is controlled by the night moth trap and the night moth polyhedrosis virus.

3 Growth characteristics and production acceptance

3.1 Relationship between growth and rainfall

The alpine planted Zhapu 芋, due to waterless irrigation, the rainy day has the greatest impact on the growth of Zhapu ,, the early seedling period requires less water, and the spring rain in Zhangpu County is more uniform (Table 1), before the end of June, the longest 3 to 4 days without rain, Zhapu has a very good growth, and each plant has 5 green leaves. After June, the plant is tall and has a large amount of evaporation. It does not rain for more than 10 consecutive days, and the leaves are withered. For example, at the end of June and the end of July, only 2 to 3 leaves are left in the green leaves, which has a great influence on the yield. The mother-in-law is obviously smaller. After the rain was evenly distributed in August, the growth of the stalks turned better. By mid-August, there were more than 4 green leaves per plant. After mid-September, it will not rain for more than 10 days, and the leaves will turn smaller and less. However, at this time, Zhapu 芋 entered the mature stage of nutrient conversion, requiring less water, so the rainfall had little effect on the yield.

3.2 The occurrence of pests and diseases

In the early days of May, the spurs of the demonstration base began to occur in large numbers, and the flat paddy fields began to appear in mid-May, about half a month later than the mountains. However, the epidemic disease of alpine 荔 芋 迟 was late and mild, and a small amount of morbidity occurred in early June. It was delayed by nearly one month from the flat paddy field and was easy to control. It was cured by spraying 1 or 2 times. It only needs to be sprayed 5 times during the whole growth period, and it is sprayed 4 to 5 times less than the flat.

3.3 Production and quality testing

On November 8, 2016, Guangxi Academy of Agricultural Sciences organized experts from Guangxi University, Guangxi Agricultural Technology Institute and Guangxi Agriculture Department to conduct on-site acceptance of the Zhangpuyu Demonstration Base on the mountain slope of Zhangpu County. After 2 days of on-site sampling and acceptance, the demonstration base area is 33 hm2, and the production is randomly selected from 5 points. Each line continuously digs 10 plants, and 50 total production is measured. The plant spacing is measured and the female rot is counted (soft rot) The number of rot of the alpine 荔 芋 芋 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 只有 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔 荔Kg, compared with 667m2 in the Pingping paddy field of Xinping Town, the yield (2363.68 kg) is 218.14 kg higher, with an increase of 9.23% (Table 2).

Table 2 2017 Production and Acceptance of Zhangpu County Demonstration Base in Zhangpu County

Table 3 Evaluation criteria of Zhapu

Table 4 Quality Evaluation of Zhapuyu, Zhangpu County Demonstration Base, Zhangpu County, 2017

Note: According to the standard of “Zhangpu County Yuwang Competition”.

The measured production of Zhapu was randomly selected from 5 for quality assessment. After cleaning, skinning, slicing, steaming, and tasting, the scoring criteria are shown in Table 3. The acceptance team generally believes that the high quality of the alpine 荔 芋 is large, the appearance is smooth, the insect eyes are small and shallow, the appearance is beautiful, the pattern is purple-red, the layers are distinct, the scent is thick, the coarse fiber is less, the entrance is smooth and smooth, and the quality is superior (Table 4 ).

4 Summary

The cultivation of alfalfa on the slopes of the mountain can guarantee the yield. The cultivation of the alfalfa on the alpine slopes not only ensures that the soil has fewer pathogens, but also reduces the risk of waterlogging, greatly reduces the source of the disease, reduces the pests and diseases, and reduces the cost of pesticide input. It guarantees the quality and safety of Zhapu ;; there is a big advantage in the alpine slope 荔 芋 芋 芋 芋 芋 芋 芋 芋 芋 芋 芋 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山 高山The inner quality of Zhapu. Therefore, it is feasible for Zhapu to plant on a suitable hillside.

The above is all about today's planting technology of Zhapu. If you are interested in this variety of gimmicks, you can first come to Huinong.com to learn about planting experience in other areas!

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