论文部分内容阅读
行唐县是农业生产大县,大白菜是我县的特色蔬菜之一,全县生产面积常年稳定在3万亩。白菜含有多种营养物质,是人体生理活动所必需的维生素、无机盐及食用纤维素的重要来源,近年来成为人们餐桌上的佳品,现在正是大白菜管理的重要时期,现将大白菜秋季管理技术简介如下:一、及时追肥大白菜以叶为产品,对氮、磷、钾的要求很敏感,生产中不但要施好基肥,还要根据不同生长期进行追肥。生长期追肥多以速效氮肥为主,如
Xingtang County is a large agricultural production county, Chinese cabbage is one of the characteristics of vegetables, the county’s annual production area of 30,000 acres stable. Cabbage contains a variety of nutrients, is essential for human physiological activities of vitamins, inorganic salts and edible cellulose, an important source of people in recent years to become the best table, now it is an important period of Chinese cabbage management, now the autumn cabbage Management technology briefings are as follows: First, timely top dressing leaves as a product, the demand for nitrogen, phosphorus and potassium is very sensitive, the production of not only good base fertilizer, but also according to the different growing stages of top dressing. Topdressing nitrogen to grow more mainly in the growing season, such as