| Effects of alginic acid compound phosphate fertilizer on maize yield and soil nutrients |
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| DOI：10.7606/j.issn.1000-7601.2023.06.16 |
| Key Words: maize alginic acid compound phosphate fertilizer yield soil nutrient utilization efficiency of phosphate fertilizer |
| Author Name | Affiliation | | MA Jinzhao | Shandong Provincial Key Laboratory of Eco\|Environmental Science for Yellow River Delta, Binzhou University, Binzhou, Shandong 256603, China | | SUN Yao | Yantai Agricultural Extension Center, Yantai, Shandong 264000, China | | XIN Xin | Shandong Provincial Key Laboratory of Eco\|Environmental Science for Yellow River Delta, Binzhou University, Binzhou, Shandong 256603, China | | QI Xingchao | Shandong Provincial Key Laboratory of Eco\|Environmental Science for Yellow River Delta, Binzhou University, Binzhou, Shandong 256603, China | | ZHANG Zehao | Shandong Provincial Key Laboratory of Eco\|Environmental Science for Yellow River Delta, Binzhou University, Binzhou, Shandong 256603, China | | MA Ning | Wuzhoufeng Agricultral Technology Co., Ltd., Yantai, Shandong 264000, China | | LIU Xiaoqi | College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China | | WANG Xiukang | Wuzhoufeng Agricultral Technology Co., Ltd., Yantai, Shandong 264000, China |
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| Abstract: |
| This study examined the effects of alginate phosphorus compound fertilizer on maize yield and soil nutrient supply intensity to provide a scientific basis for the proper usage of the fertilizer. A two\|year field experiment with maize ‘Zhengdan 958’ was conducted to explore the effects of different phosphate fertilizer treatments on maize yield, growth characteristics, plant nutrient content, soil nutrient content, and phosphate fertilizer utilization rate. There were four treatments: no phosphate fertilizer (CK), diammonium phosphate (DAP), alginate compound phosphate fertilizer (NI), and alginate compound phosphate fertilizer decremented (MI). The results showed that the yield in the NI treatment increased by 17.1%~24.3% in the two years compared with the CK treatment. The yield was increased by 6.7% compared with DAP treatment in the second year. Biomass, plant height, stem diameter, and leaf SPAD values also increased significantly under the NI treatment. The total phosphorus content in the NI treatment increased by 66.1% compared with CK, and 23.4% compared with DAP treatment, and the phosphorus utilization rate of the NI and MI treatments increased significantly by 134.5% and 89.3%, respectively. Soil available phosphorus in the NI treatment increased by 30.9%~59.9% compared with the CK treatment, and by 13.8%~17.2% compared with the DAP treatment in the two years. There was no significant difference between the DAP and MI treatments. There was a significant positive interaction between the different phosphorus fertilizer treatments and the year factor on the soil available phosphorus and total phosphorus contents. Correlation analysis showed that soil available phosphorus was positively correlated with maize yield, plant height, stem diameter, and SPAD. Compared with traditional diammonium phosphate, alginate compound phosphate fertilizer increased the content of available phosphorus in the soil and the utilization rate of phosphate fertilizer, and significantly promoted the growth, nutrient accumulation, and yield of maize. |
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