论文部分内容阅读
在温室中进行西红柿(丝瓜)—香菜—芹菜—西葫芦一年五种五收,平均每亩经济效益可达1.5万元以上,是一种高产、高效益栽培模式。 一、西红柿 2月下旬选择中早熟品种在温室内育苗,苗龄45天～50天。4月上旬定植于温室,株行距55厘米×38厘米,亩栽苗3000株～3500株。进入开花期用浓度为25ppm～40ppm的番茄灵蘸花,防止落花,每株保留3～4穗果。白天保持20℃～30℃,夜间15℃～18℃为宜。当第一穗果核桃大、第二稳果红枣大
In the greenhouse for tomatoes (loofah) - parsley - celery - zucchini year five kinds of five harvest, the average economic benefit of up to 15,000 yuan per mu, is a high yield, high efficiency cultivation mode. First, tomatoes in late February Select early varieties in the greenhouse nursery, seedlings 45 days to 50 days. In early April colonization in the greenhouse, spacing of 55 cm × 38 cm, acres planted 3000 ~ 3500 strains. Into the flowering stage with a concentration of 25ppm ~ 40ppm tomato Ling dipping flowers, to prevent falling, leaving 3 to 4 per plant fruit. During the day to maintain 20 ℃ ~ 30 ℃, 15 ℃ ~ 18 ℃ night is appropriate. When the first large walnut fruit, the second large fruit jujube