ACTA AGRICULTURAE BOREALI-SINICA ›› 2021, Vol. 36 ›› Issue (6): 171-177. doi: 10.7668/hbnxb.20192447

Special Issue: Soil fertilizer

• Resources & Environment·Plant Protection • Previous Articles     Next Articles

Effects of Different Phosphate Fertilizers on Phosphorus Forms and Availability in Fuvo-aquic Soil

WANG Bohan, GUO Doudou, HUANG Shaomin, XU Qihao, ZHANG Keke   

  1. Institute of Plant Nutrition and Resource Environment, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
  • Received:2021-09-22 Published:2021-12-28

Abstract: This study compared the effects of superphosphate and monoammonium phosphate as phosphate fertilizer sources on the availability of phosphorus in fluvo-aquic soil,and analyzed the reasons why phosphate fertilizer varieties changed the availability of phosphorus in soil.Using a micro-area experiment,two phosphate fertilizer varieties,superphosphate and monoammonium phosphate,were set on the fluvo-aquic soil,and the effects of three different phosphate fertilizer rates on wheat and corn yield,phosphate partial productivity,soil available phosphorus,and soil inorganic phosphorus were analyzed after three consecutive years.Results showed that under the three levels of phosphorus application(P1,P2,P3),compared with the application of superphosphate,the average yield of wheat in monoammonium phosphate treatment increased by 24.9%,19.7%,22.0%,and the average partial productivity increased by 31.0,16.2,13.6 kg/kg,respectively;the average yield of corn increased by 29.6%,28.7%,32.2%,and the average partial productivity increased by 42.1,24.2,25.4 kg/kg,and the average content of soil available phosphorus increased by 9.6%,-3.4%,5.4%.The inorganic phosphorus of the soil treated with monoammonium phosphate increased mainly by Ca2-P and Ca8-P,Ca2-P increased by 13.4%,18.5%,26.1%,and Ca8-P increased by 17.2%,21.3%,and 15.8%.Compared with superphosphate treatment,the relative content of Ca2-P in soil treated with monoammonium phosphate increased by 0.25, 0.30, 0.33 percentage points,and the relative content of Ca8-P increased by 1.73, 0.80, 3.60 percentage points under the three phosphorus application levels.Superphosphate treatment was mainly based on the increase of Al-P and Fe-P,Al-P increased by 19.1%,23.7%,23.1%,and Fe-P increased by 24.9%,23.3%,32.6%.The relative content of Al-P in soil treated with superphosphate was increased by 1.27, 1.19, 1.26 percentage points,and the relative content of Fe-P was increased by 2.12, 2.87, 2.49 percentage points,compared with monoammonium phosphate treatment.Monoammonium phosphate and superphosphate had no significant effect on soil Ca10-P and O-P content,but monoammonium phosphate could reduce the relative content of Ca10-P and O-P by 2.47, 2.07 percentage points respectively.Compared with superphosphate treatment,monoammonium phosphate can increase the yield of wheat and corn,the partial productivity of phosphate fertilizer,and the soil available phosphorus content in fluvo-aquic soil.Monoammonium phosphate improves the availability of soil phosphorus by increasing the content and relative content of Ca2-P and Ca8-P,which are highly available in fluvo-aquic soil.

Key words: Fluvo-aquic soil, Phosphorus availability, Phosphate fertilizer varieties, Inorganic phosphorus, Superphosphate, Monoammonium phosphate

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Cite this article

WANG Bohan, GUO Doudou, HUANG Shaomin, XU Qihao, ZHANG Keke. Effects of Different Phosphate Fertilizers on Phosphorus Forms and Availability in Fuvo-aquic Soil[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2021, 36(6): 171-177. doi: 10.7668/hbnxb.20192447.

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