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小白菜,是我国最重要的蔬菜之一。小白菜营养丰富,鲜食、腌渍皆宜,深受广大群众喜爱。利用杂交制种技术对于提高小白菜种子的品质与产量有明显效果。现介绍石家庄地区小白菜杂交制种技术:一、培育壮苗1、建造阳畦。育苗阳畦要在冬前建好,选择地势高燥、背风向阳、便于管理和水肥条件较好的地块,并且要求离定植地较近,前茬未种过十字花科植物。建宽1.5米,长20—22米的东西向阳畦,阳畦北墙高40—50厘米,墙体厚50厘米,
Pak Choi is one of the most important vegetables in our country. Pak Choi nutrient-rich, fresh, pickled all appropriate, by the masses favorite. The use of hybrid seed production techniques for improving the quality and yield of Chinese cabbage have a significant effect. Shijiazhuang cabbage is now introduced hybrid seed production technology: First, nurturing strong seedlings 1, the construction of sunshine. Yangling seedlings to be built before the winter, the choice of high terrain, leeward sunny, easy to manage and water and fertilizer conditions better plots, and requires close to the plantation, before the crop has not been planted with cruciferous plants. Built wide 1.5 meters, 20-22 meters long thing sunny, Yang Gao north wall 40-50 cm, the wall thickness of 50 cm,