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为了进一步提高玉米产量,以玉米庆单3号为供试品种,于2016年在黑龙江八一农垦大学试验实习基地进行试验,在喷施叶面肥黄金宝一号条件下,设置了3个处理,分别为CK:不喷施叶面肥;A1:喷施叶面肥浓度为0.150%,兑水300kg·hm~(-2);A2:喷施叶面肥浓度为0.107%,兑水300kg·hm~(-2),研究叶面肥对玉米叶绿素、干物质及产量的影响。结果表明:玉米喷施叶面肥黄金宝一号后,在一定范围内,可增加叶绿素含量,提高光能利用率与光能转化率;光合速率增强,延缓叶片衰老,可增加干物质积累的数量和质量;玉米穗行数、行粒数和百粒重也分别增加了0.2~0.4行、3.3~3.4粒和0.89~1.40g,其产量与对照CK相比多增产540.39~99.48kg·hm~(-2)。玉米喷施叶面肥黄金宝一号后可增加叶面积和提高叶绿素含量,促进玉米增产。
In order to further improve the yield of maize, we tested corn Qingdan 3 as the tested varieties and conducted experiments at the experimental training base of Heilongjiang August First Land Reclamation University in 2016. Under the condition of spraying the foliar fertilizer Jinbao-1, three treatments , Respectively CK: no foliar application; A1: foliar fertilizer concentration 0.150%, 300 kg · hm -2 watered; A2: foliar fertilizer concentration 0.107%, watered 300kg · Hm ~ (-2), to study the effect of foliar fertilizer on the chlorophyll, dry matter and yield of corn. The results showed that after the corn was sprayed on the leaves of Huangbao No.1, the chlorophyll content could be increased and the light energy utilization rate and light energy conversion rate could be increased within a certain range; the photosynthesis rate could be increased, the leaf senescence accelerated, the dry matter accumulation could be increased The number of rows per ear, the number of rows per ear and the weight per 100 kernels increased by 0.2 ~ 0.4 rows, 3.3 ~ 3.4 kernels and 0.89 ~ 1.40g, respectively. The yield increased 540.39 ~ 99.48kg · hm ~ (-2). Corn foliar fertilizer on the 1st after spraying can increase the leaf area and increase chlorophyll content, and promote corn yield.