Lianjiao No.1 is a precocious cowpea variety selected and cultivated in the vegetable research of Lianyungang City. It can be planted in spring and autumn. It has been proven to be early-maturing, high-yield, disease-resistant, heat-resistant, and superior in quality through multi-point trials and demonstrations. From 37 to 42 days from sowing to flowering, the first flower is born in the fourth quarter and can be harvested 15 days in succession, 4 to 6 days earlier than the pod 28-2. The growth potential is medium. The main vine grows about 3 meters in summer. The main vine branch is weak and has 2 or so small branches. The main vine pods are the main vines. The fourth and fifth branches of the main vine grow and grow. There are 10 to 13 spikelets. Each flower spike has 2 to 4 pods, the average pod length is 72.8 cm, and the pods are light green. There are 23.3 grains and a grain weight of 156.9 grams. Under medium fertility conditions, the average yield is 2050-2300 kg. The Xuhuai region can be planted in greenhouses from March to March. The open field can be broadcast live after the Qingming, and sown in the summer from early June to late July.

Sowing combined with site preparation per acre Shi organic fertilizer rot 4000 ~ 5000 kg, compound fertilizer 30 ~ 40 kg, ploughing tactics fine, according to the irrigation habits made of sorghum or flat rake, hoe width 1.2 meters. Spring cover film to increase the temperature. Select sunny days for 1 to 2 days, soaking in warm water at 40 to 50°C for 10 to 15 minutes, removing and then soaking in 10% saline solution for 10 minutes, and then removing and germinating at 25 to 28°C for 1 to 2 days. When 50% of the seeds are exposed, they are planted at a rate of 2 kg per acre.

Plant 2 lines per plant in a suitable and densely-closed manner, with a hole distance of 20-25 cm and sowing 3 seeds per hole. After sowing, cover a 2 cm thick soil and pour water. 4 leaves before the seedlings, Dingmiao, Dingmiao 2 to 3 per seedlings, leaving 4000 seedlings per acre or so.

Fertilizing watering seedlings will be applied once to raise seedlings, urea 10 kg per mu, combined with soil applied evenly on both sides. At the end of the scarring stage, 5~10 kg urea was applied between the rows of acupuncture points, once every 5 days, and applied continuously for 2~3 times. Before flowering and scabbing, the seedlings are mainly cultivators, and the soil is often kept moist after scabs.

When taking the pods of cowpeas, take a “person” shaped frame and raise it by 2.5 meters or more. In sunny days, introduce the vines at noon or in the afternoon. Do not introduce the vines when the dew is still dry or rainy.

Harvesting of tender pods, traces of seeds not yet revealed, and harvesting when the standards for commodities are harvested. The spring sowing harvested the tender pods 8 to 10 days after flowering and the summer sowing was harvested 6 to 8 days after flowering. Protect the flowers on the top of the spikes when harvesting, and do not pick the flowers together. It is harvested once a day during the harvest period and once every other day.

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