Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (5): 54-59.doi: 10.3969/j.issn.2096-1197.2019.05.10

• Soil and fertilizer·Plant protection • Previous Articles     Next Articles

Effects of the deep pine and controlled-release fertilizer on the photosynthetic characteristics and yield of maize

XIE Guohui, YU Xiaofang, GAO Julin, HU Shuping, BAO Haizhu, WANG Fugui, LIU Jian   

  1. College of Agriculture,Inner Mongolia Agricultural University,Hohhot 010019,China
  • Received:2019-08-20 Online:2019-10-20 Published:2019-12-11

Abstract: To select suitable cultivation and fertilization methods for high-yield and high-efficiency planting of maize,the field positioning experiment was carried out with Xianyu 696.The effect and relationship of the tillage method and the controlled-release fertilizer on the photosynthetic characteristics of spring maize were compared and analyzed.The results showed that compared with the chemical fertilizer,the controlled-release fertilizer could promote the photosynthetic characteristics and yield of maize.The net photosynthetic rate of different tillage and fertilization methods was shown as SS-CN>RT-CN>SS-HY>RT-HY>SS-CK>RT-CK.Compared with RT-HY,RT-CN,and SS-HY at different growth stages,SS-CN was shown to have the dry matter increased by 7.05%-38.84%,the leaf area index increased by 2.34%-21.33%,the net photosynthetic rate increased by 2.80%-20.58%,the relative content of chlorophyll increased by 1.48%-24.18%,and the yield was 7.94%-22.43% higher than that of each treatment.Deep pine combined with the controlled-release fertilizer is a suitable tillage and fertilization method for high-yield and high-efficiency maize planting.

Key words: Deep pine, Controlled release fertilizer, Spring maize, Photosynthetic characteristics, Yield

CLC Number: 

  • S513