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一、苗圃地的整地 (一)整地:苗圃整地是育苗过程中一项重要的技术措施。目的在于改良土壤结构,保持土壤水分,提高土壤肥力,消灭杂草和病虫,提高地温,并使地面平整细碎,以满足种子发芽和苗木生长所需要的水、肥、气、热等条件,以及为做床做垅打好基础。 新开苗圃地要清除地上的一切杂物等,老苗圃地育苗时,要起净苗木。然后平整地面,撒上肥料,接着翻耕。为蓄水保墒,秋翻效果较好,但砂土苗圃适于春翻,以免风蚀和水分蒸发;山地苗圃,亦可在雨季以前翻地。有的苗圃秋季进行深翻,第二年春季再进行一次浅翻。这种秋深春浅两次翻地的作法效果很好。
First, nursery land preparation (a) site preparation: Nursery site preparation is an important technical measure in the nursery. The purpose is to improve soil structure, maintain soil moisture, improve soil fertility, eliminate weeds and pests, increase ground temperature, and ground the ground finely to meet the seed germination and seedling growth required for water, fertilizer, gas, heat and other conditions, And do a good job laying the bed to lay a good foundation. The newly opened nursery to remove all debris on the ground, nursery nursery nursery, from the net seedlings. Then flatten the ground, sprinkle with fertilizer, and then plowing. In order to preserve water and preserve soil moisture, the effect of autumn turning is better, but the sand nursery is suitable for spring turning in order to prevent wind erosion and water evaporation. Mountain nurseries can also be turned on before the rainy season. Some nurseries deep fall in autumn, the second spring and then a shallow turn. This autumn and spring shallow shallow twice practice the effect is very good.