High-yielding Cultivation Techniques of Mung Bean in South China

1 Fertilization in selected areas: Generally, medium-fertilized fields should be selected for cultivation. Sandy soil and light sandy loam can be used. It is required to be far away from the factory to prevent pollution (generally, the straight-line distance is more than 500 meters). Basal fertilizer can generally use 25% compound fertilizer 40 kg or 45% compound fertilizer 30 kg. If organic fertilizers are used, generally 2000 kg of organic fertilizers in Mushi, 25 kg of ammonium bicarbonate and 15 kg of superphosphate can be added.

2 Sowing date determination and variety selection. The planting period of mungbean in southern China (in the Qinling Mountains and the Huaihe River region, excluding the southwest region) can be from March 20 to August 1. However, Guangdong, Guangxi, and Fujian provinces may have late arrival due to the late winter season. According to the specific circumstances, it is appropriate to postpone planting for 1-2 weeks. In general early-planting, mid-maturing varieties such as Zhongqing 1 (Vc1973A) and Sulu 1 (V2768A) should be selected. Late-maturing varieties such as Su-3 (V3726) and other short-term cultivars should be selected for late seeding or shorter growth period (cropping). According to special needs, it is also possible to use medium green 4 (anti-bean), Su yellow 1 (yellow-leaf mung bean) or Suhei 1 (black-skinned mung bean).

3 mung beans can be used in different intercropping cultivation patterns with other crops.

3.1 mung bean and sweet potato relay technology. Generally, mung beans and sweet potatoes are interplanted, sweet potato large row spacing (60cm) interplants one row of mung beans in a ditch, and adopts a 2:1 planting combination.

3.2 mung bean and cotton intercropping technology. For example, mung beans and cotton are interplanted, and the cotton is planted in large and small rows with a width of 80 cm and a narrow row of 50 cm. On April 20th, a row of mung beans is interplanted in a wide row when cotton is sown.

3.3 mung beans and corn intercropping techniques.

3.3.1 mung bean and spring corn interplanting techniques. Spring corn interplanting mung bean spring corn to take large and small rows, big line l meters, small line 45 centimeters, spacing 30 centimeters, about 3,000 per acre; or big line 1.5 meters, small line 45 centimeters, spacing 25 centimeters, per acre 2800 or so. After corn pollination, 4 rows of precocious mung beans with short growing period, small plantlets, and concentrated pods were interplanted between big rows. The line-to-line ratio is 2:4, or the line-to-line ratio is 1:1, that is, a single row of spring corn interline rows of mung beans.

3.3.2 Mung bean and spring corn intercropping techniques. Mung bean and summer corn were planted in large and small ridges between summer maize, and 3 rows of precocious mung beans were interplanted between big rows. If wheat is interplanted with corn, mung beans can be sown immediately after the harvest; if wheat is harvested after replanting, mung beans can be sown simultaneously with corn in the form of 3:2.

3.4 Mung bean and summer sesame mixed technology. After the receipt of wheat or rapeseed, mung beans and sesame seeds were mixed at the same time. The sesame seeds were harvested at a time when the mung bean was full of flowers and in the stage of pods, and the light was sufficient, which was favorable for the growth of mung beans and the fullness of grains.

4 mung bean seed treatment technology to prevent green beans. Adults of mung bean tussocks lay on bean pods or tender larvae, and larvae infest their pods after hatching. The prevention and control methods are as follows: The seeds are subjected to 50°C high temperature extermination prior to storage of the seeds; fumigation is carried out with 1.5 kg of sodium cyanide per thousand cubic meters for 48 hours; the temperature is above 20°C, the insecticidal efficiency is 100%, and the germination rate is not affected; Storage and hypoxia custody; a small amount of storage can be immersed in boiling water for 20 minutes, remove and dry in the cylinder, can be stored for a long time, and does not affect the germination rate.

5 mulching and sowing.

5.1 Plastic film cover technology. Plastic film cover can not only increase the temperature and maintain the humidity, but also can control the grass seedling stage. Usually sowed before the end of April or the ground temperature is below 12 degrees, must be covered with plastic film. Seeding can be done by both seeding and artificial seeding. When sowing, filming, fertilizing and seeding are completed once, and the seeding depth is 5 cm. The artificial seed is applied to combine the farmland with fertilizer, covered with flat ground, and spotted with holes. Each line is planted with two lines.

5.2 Sowing density. The dry land spacing is 35-40 cm, the plant spacing is 8-10 cm, and 16,000-20,000 plants are planted per mu. If the hole is sown, the distance between the points is 20-25 cm, and 20,000-30,000 plants per mu. The irrigated planting distance was 10-15 cm, the planting distance was 20-25 cm, and 14,000-16,000 plants were planted per acre.

6 Field Management Technology.

6.1 seedlings, Dingmiao. After spraying the seed, the seedlings are easy to invade, so the seedlings are affected. Therefore, the seedlings should be transplanted with seedlings. The seedlings should be divided into two times. The first two leaflets should be unfolded, and the first compound leaves should appear. The seedling height should be 4-5. Centimeters. Leave 2 plants in each hole, and combine the seedlings with Dingmiao one week later, leaving 1 plant per hole.

6.2 cultivating water. The mulching of mung beans covered with plastic film is shallow, eliminating weeds in the ditch between the membranes. Mung bean's calyx stage is the vegetative growth and reproductive growth stage, conditional groundwater plus membrane ditch to meet the mung bean's moisture requirements in order to achieve more than enough, grain full.

6.3 Timely control of pests and diseases. The diseases and insect pests of mung bean have leaf spot disease and virus disease, which can be controlled by 50% carbendazim powder. Mung bean locust is a very serious hazard, resulting in annual reduction of more than 40%. Locust control should be treated early, small, and ruled, with Shennong Dandi Shi or omethoate spray control.

6.4 outside the fertilization. The initial flowering period uses 40-60 grams of potassium dihydrogen phosphate per acre, 25-35 grams of ammonium molybdate, 15-25 grams of borax, and 15 to 20 kilograms of each water, respectively, foliar spray.

7 One-time harvesting technology. If mechanized harvesting is to be used, the sowing date should be delayed until mid-June in order to reduce the differences in the developmental speed of shoots and main stem pods. When the sum of the yellow and black cockroaches reaches 70% in the population, the 40% ethephon solution 150g/mu is evenly sprayed on the mung bean plants, and after one week, the bean leaves fall off and can be mechanized and harvested.

Vegetable Hollow capsule manual

 

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