论文部分内容阅读
春季是圃地苗木生长的关键季节,因此,做好苗木的春季管护工作至关重要。在春季苗木管护工作中需要做好以下几点: 一、浇水。春季浇水至关重要,需2-3次。第一次是早春浇返青水,由于早春昼夜温差大,及时浇返青水,可使地表昼夜温差相对减少,避免危害植物根系,第二次是清明前后浇生长水,此时浇水可防止春旱,利于植株长叶发根;第三次可在5月中下旬,
Spring is the key season for seedling growth in nursery. Therefore, it is very important to do the spring nursery and nursery management well. In the spring nursery stock protection work need to do the following: First, watering. Spring watering is crucial, take 2-3 times. The first is poured back into the early spring green water, due to the temperature difference between early spring day and night, timely pouring green water, the surface temperature can be relatively reduced day and night, to avoid harming plant roots, the second is before and after Ching Ming, pouring growth of water, watering can prevent spring Drought, conducive to plant hairy roots; the third time in late May,