Pisum sativum L. is an annual climbing herb in Leguminosae, with a height of 0.5-2 meters. The whole plant is green, smooth and hairless, covered with powder cream. Leaves with 4-6 leaflets, stipules heart-shaped, with fine teeth at the lower edge. Lobular ovoid; Flowers solitary or arranged in racemes in leaf axils; Calyx campanulate, lobes lanceolate; Corolla has various colors, which vary from species to species, but most of them are white and purple. Ovary glabrous, style flat. Pods are swollen and rectangular; The seeds are round and turquoise, and turn yellow after drying. The flowering period is from June to July, and the fruiting period is from July to September.
growing environment
Pea is a semi-hardy crop, which likes mild and humid climate and is not resistant to dry heat. Pea is a long-day crop, which likes temperature and has poor drought resistance. Pea has wide adaptability to soil and low requirements for soil quality. Sandy loam and loam with strong water holding capacity, good aeration and rich humus are the most suitable. The ph value is 6.0-7.2.