P-deficiency stress induced malic acid exudation from pigeonpea roots.
低磷胁迫下，根系可分泌苹果酸。
2
Pigeonpea: cover crop suited to human and animal nutrition, pest and disease control, N fixation and P disponibility.
豌豆是人类和动物的营养物，作为覆盖作物有效控制病虫害，固定氮素。
3
Root exudation of wheat, corn, broad bean and pigeonpea mainly include organic acid, phenol, hydrocarbon, grease, ketone, mellow, amide, benzene, aldehyde and thiazole et al.