[1]Xie Meixiang,Jin Qiu,Zhao Guangju,et al.Effects of Nonuniform Fertilization on Nutrient Transport and Maize Growth in the Sloping Farmland[J].Research of Soil and Water Conservation,2024,31(06):207-212.[doi:10.13869/j.cnki.rswc.2024.06.007]
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Effects of Nonuniform Fertilization on Nutrient Transport and Maize Growth in the Sloping Farmland
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
31
Number of periods:
2024 06
Page number:
207-212
Column:
Public date:
2024-12-10
- Title:
- Effects of Nonuniform Fertilization on Nutrient Transport and Maize Growth in the Sloping Farmland
- Keywords:
- nonuniform fertilization; soil water; total nitrogen and phosphorus; nutrient absorption; maize yield
- CLC:
- S513; S158.3
- DOI:
- 10.13869/j.cnki.rswc.2024.06.007
- Abstract:
- [Objective]The aims of this research are to investigates the effect of nonuniform fertilizer in slope foot of low fertilizer, middle fertilizer and slope top of high fertilizer on soil nutrient and maize growth, and to provide a basis for the scientific fertilization method in sloping farmland. [Methods]Field runoff plot and soil water collection were designed to observe nitrogen and phosphorus transport and nutrient absorption by corn. [Results](1)Soil water content of slope foot was the highest and that of slope top had a fastest and largest decrease.(2)The nitrogen transported to shallow soil layer of slope foot, but phosphorus displayed peak value trends especially at the slope top.(3)A good nitrogen absorption in maize growth and dry material production were revealed under nonuniform fertilization, and nitrogen absorption rate at slope foot reached to 51.3%, and phosphorus absorption rate reached to 25.5%. [Conclusion]Nonuniform fertilization of decreasing total fertilizer amount ensures maize growth and yield, providing reference to optimize fertilization in sloping farmland of our country.
- References:
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Last Update:
2024-12-10