论文部分内容阅读
春节将近,杜鹃大量上市。杜鹃的品种可分为春鹃、夏鹃和春夏鹃等。怎样使春鹃春节开花呢?请注意以下几点:一、薄肥勤施。春鹃根系浅而细,如集中施肥极易受肥害,孕蕾期以薄肥勤施为宜,宜施两次至三次以磷肥为主的肥料,开花前施两次至三次以磷肥为主、氮磷结合的肥料。二、选择水质。春鹃喜微酸性,忌用碱性水,如用自来水,需用0.5%~1%的硫酸亚铁或300倍食醋加以调配。
Spring Festival approaching, a large number of rhododendron market. Rhododendron varieties can be divided into spring cuckoo, summer cuckoo and spring and summer cuckoo. How to make Spring Curtain flowering it? Please note the following: First, thin fertilizer Qin Shi. Cuckoo root shallow and thin, such as concentrated fertilization easily vulnerable to fat, pregnant buds to thin fertilizer Qin appropriate, should be applied twice or three times to phosphate fertilizer, applied before flowering two or three times to phosphate fertilizer Lord, combined with nitrogen and phosphorus fertilizer. Second, choose water quality. Spring cucumber hi slightly acidic, avoid using alkaline water, such as tap water, need 0.5% ~ 1% ferrous sulfate or 300 times vinegar to be deployed.