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茬口即前后作物的相互衔接关系。茬口特性是指栽培某一作物后对后作物的影响好坏的特性。茬口的好坏最终体现在后作物的生育和产量上。因此,了解各种作物的茬口特性对于安排复种轮作的顺序,具有重要的意义。 一、茬口的评价依据 茬口特性是作物生物学特性及其栽培措施、当地的气候、土壤条件等因素对土壤共同作用的结果。这种特性主要表现在:
Stubble that crop before and after the relationship between the cohesion. Stubble characteristics refers to the cultivation of a crop after the impact on the characteristics of post-crop. The quality of the stubble is ultimately reflected in the fertility and yield of the following crops. Therefore, understanding the stubble characteristics of various crops is of great significance for arranging the sequence of multiple crop rotation. First, the assessment based on stubble Crop stubble characteristics of the crop biological characteristics and cultivation practices, local climate, soil conditions and other factors on the soil together. This feature is mainly manifested in: