Seeds sown in cold soils are often exposed to numerous environmental hazards during germination and emergence.Low soil temperature present a major limitatio
P.cornutum,a biennial plant in Cruciferae Pugionium,is a versatile sandy vegetable,which is also used for herbs,feeding and binding-sand,and it was proper s
Allium mongolicum Regel,which is the own plant of mongolia altiplano,belong to the Allium of liliaceous.It has a lot of nutrition component,so is an excelle
Leafy vegetables such as Brassica rapa L.have been cultivated intensively and continuously on limited planting area for optimum vegetable production and qui