甜菜后作低产原因及解决途径

The Low-Yield Reasons and Solve Ways of Subsequent Crop after Planted Sugarbeet

甜菜需水需肥多,且有长期的地面复盖,种植甜菜后,致使五大生态因子失去平衡,因而影响后作产量。采用人为方法进行调节,仍可使后作增产。

Since Sugarbeet requires more water and nutrient, and it cov--ers the surface soil longer during growth period, so that five main ecofactors of crop land imbalance after planted sugarbeet, these arc cause the subsequent crop yield reduction. If we take some artificial methods to regulate some cultural factors, the yiel--d of subsequent crop also can be increase.