论文部分内容阅读
保护地蔬菜的变温管理221004徐州市蔬菜所王兴民在蔬菜作物种群中,根据对温度的要求,可分为耐热的蔬菜,喜温的蔬菜,耐寒的及半耐寒的蔬菜。就同一蔬菜而言,不同的生育期对温度的要求也不同。比如大多数蔬菜种子出苗时总是要求较高的温度,幼苗期最适温度要比出...
Protected vegetable temperature management 221004 Xuzhou Vegetable Institute Wang Xingmin in the vegetable crop population, according to the temperature requirements, can be divided into heat-resistant vegetables, warm vegetables, cold and semi-hardy vegetables. In terms of the same vegetables, the requirements of different growing periods are different. For example, most vegetable seedlings always require higher temperature when they emerge, and the optimum temperature for seedling is higher than that of ...