Effects of Saline-alkali Land Improver and Fertilizer on Soil pH and Maize Growth and Development

doi:10.7668/hbnxb.201751586

Abstract

Abstract: The salinization of land in China is becoming more and more serious, and the sustainable development of agriculture is seriously hindered.Taking corn Xianyu 335 as the research object in this experiment, the effects of different combinations of acetylated glucose, urea, phosphate fertilizer and organic fertilizer on soil character improvement effect and effects of maize growth and development were investigated under the saline and alkaline land conditions in Xugou Town, Qingxu County, Shanxi Province. The results showed that the combination of acetylated glucose, urea, phosphate fertilizer and organic fertilizer had the most significant effect on the improvement of saline-alkali land. The pH of the soil was 0.32 lower than that of the control (without any treatment). The SPAD value of maize leaves increased by 50.834 and the net photosynthetic rate increased by 21.8 μmol/(m² · s). The plant height and stem diameter of maize at seedling uprooting stage and harvest stage increased by 45.99, 0.36 cm and 77.13,0.50 cm, respectively. The ear length, ear weight, 100-grain weight and grain number per ear of maize increased by 5.06 cm, 118.216 g, 11.123 g and 271.8 grains, respectively. The combination of acetylated glucose and fertilizer can promote crop growth and improve soil properties, which can be used as one of the important measures to improve saline-alkali land in the future.

Key words: Acetylated glucose, Saline-alkali land, Improver, Maize, Growth and development, Soil pH

CLC Number:

S156.4

DU Kangrui, DUAN Ximing, ZHAO Jinzhong, HU Xiaofang, JIA Junxian, ZHANG Jiangang, ZHANG Yongpo, YUE Aiqin, DU Weijun. Effects of Saline-alkali Land Improver and Fertilizer on Soil pH and Maize Growth and Development[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2019, 34(3): 180-185. doi: 10.7668/hbnxb.201751586.

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