succession cropping

The Production of Succession Cropping Obstacles and Its Prevention and Cure Steps

作物连作障碍的产生及防治

The effect of applying economic green manure crops in the paddy field with succession cropping system

稻田复种应用经济绿肥效应研究

The Effect of Succession Cropping and Soybean Stubble on Soybean Root Exudates

大豆连作及其根茬腐解物对大豆根系分泌物中酚酸类物质的影响

The area of succession cropping has increased.

轮作方式和面积减少、连作面积增加；

Influence on sugarbeet growth, root yield and sugar content by the succession cropping

连作对甜菜生长和块根产量及含糖的影响

Reason Analysis and Control Methods of Succession Cropping Obstacle

连作障碍原因分析及防治途径研究

However, because of slow growth and succession cropping obstacles, the development of American ginseng as medicinal resources is extremely limited.

但由于生长缓慢，连作障碍严重，西洋参药用资源的发展受到极大的限制。