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一、环状施肥法。在树根外围挖一环形沟,其深、宽各为30-50厘米,然后将肥料放入沟中,上覆20厘米表土。此法多用于幼树,基施、追施均可。 二、放射状沟施法。在距树干1米的地方,以树干为中心,挖6-10条放射状沟,沟深15-40厘米,宽30-50厘米,深度与宽度随沟的外移而加深、扩大,长度抵树冠外缘,并逐年更换位置,扩大施肥面,促进根系均衡发展。该法主要用于成龄果园,以基施为多。 三、沟状施肥法。在果树的行间或株间开1—2条宽50-100厘
First, the ring fertilization method. Dig a ring-shaped ditch in the periphery of the root of the tree, the depth and width of which are 30-50 cm, and then put the fertilizer in the ditch and cover the top soil of 20 cm. This method is used for saplings, infrastructure, topdressing can be. Second, radial ditch magic. At a distance of 1m from the tree trunk, the center of the tree trunk shall be dug 6-10 radial ditches with a depth of 15-40 cm and a width of 30-50 cm. The depth and width of the ditch deepen with the outward movement of the ditch, The outer edge, and replace the location year by year to expand the fertilization of noodles and promote balanced root development. The law is mainly used for adult orchards, with more infrastructure. Third, ditch fertilization method. Between the rows of fruit trees or between 1-2 open width of 50-100 PCT