Brief introduction of chuandou:

Annual or biennial herbs. It is a dual-purpose crop of grain, vegetables, feed and green manure. It is generally believed that broad beans originated in southwest Asia and North Africa. China's broad beans are said to have been introduced from the Western Regions by Zhang Qian in the Western Han Dynasty. It is planted from the tropics to 63 degrees north latitude. Sichuan is the largest province in China, followed by Yunnan, Guizhou, Hunan, Hubei, Jiangsu, Zhejiang, Qinghai and other provinces.

Morphological characteristics:

The plant height of broad bean [1] is 30~ 180 cm. The stem is erect, with hollow edges and large vascular bundles at the four corners. Feather compound leaves. Racemes, butterflies. Pods, seeds flat, slightly oblong or subglobose. The flowering period of broad beans is usually from March to May. Broad bean is a long-day crop. I like warm and humid climate and clay loam with pH6.2~8. The water demand is large, but the soil is too wet and easy to stand up and rust. Broad beans can be planted singly, intercropped or interplanted to avoid continuous cropping. Can be on demand, can be broadcast, can be broadcast. Mainly organic fertilizer, phosphorus and potassium fertilizer. Rhizobia can symbiotic nitrogen fixation with it. The main diseases are rust, red spot and damping off. The main pest is broad bean. The protein content of broad bean seeds is about 25%~28%, which contains 8 kinds of essential amino acids. The carbohydrate content is 47%~60%. Edible, can also be made into sauce, soy sauce, vermicelli, vermicelli and vegetables. It can also be used as feed, green manure and honey source plants.

Value:

Mainly beneficial to gastrointestinal excretion and harmonizing the five internal organs. It is not inappropriate to stir-fry or make refreshments. It can also prove that broad beans have the effect of nourishing viscera.