通州区漷县镇徐官屯生菜种植专业户曹宏维等,利用日光温室合理安排茬口,1年间作、套种蔬菜5茬。其中种生菜3茬,种番茄、黄瓜各1茬,生产效益明显提高。他种植8亩蔬菜,平均亩纯效益15000元。现将具体做法简要介绍如下。1茬口安排第1茬种生菜,11月下旬播种,1月上旬定植,3月上旬收? Tongzhou District Xuantun Xuantun lettuce planting professional Cao Hongwei, etc., the use of solar greenhouse reasonable arrangement stubble, 1 year, intercropping vegetables 5 stubble. Which three kinds of lettuce seeds, seeds of tomato, cucumber 1 stubble, the production efficiency was significantly improved. He planted 8 acres of vegetables, the average effective profit of 15,000 yuan mu. The specific practices are briefly described below. 1 stubble arrangement of the first stubble lettuce, sown in late November, early January planting, early March income?