Influence of dicarboxylic acid polymer in enhancing the growth and productivity of sweet potato (Ipomoea batatas L.) in acidic soil

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Plant Biology

Main article text

 

Introduction

Materials and Methods

Study sites, climate, and soils

DCAP preparation and sweet potato variety

Experimental layout

Fertilization formula and timing

Soil and plant analysis

Yield components and productivity

Statistical analysis

Results

Influence of DCAP on available P and yield of sweet potato under the greenhouse condition

Soil chemical properties

The components of sweet potato yield and productivity

P uptake

Reducing P fertilizer by using DCAP under field conditions

Soil quality properties

Sweet potato productivity, dry biomass, and P uptake

The relationship between soil available P and sweet potato yield

Greenhouse condition

Field condition

Discussion

Conclusions

Supplemental Information

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Le Van Dang conceived and designed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Ngo Ngoc Hung conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Le Phuoc Toan performed the experiments, analyzed the data, prepared figures and/or tables, and approved the final draft.

Ngo Phuong Ngoc conceived and designed the experiments, performed the experiments, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Field Study Permissions

The following information was supplied relating to field study approvals (i.e., approving body and any reference numbers):

Field experiments were approved by Tran Van Bay and Nguyen Van Thuan. They are farmers and own these soils, with the contract number: 101/2019/HĐ-NCKH and 105/2019/HĐ-NCKH, respectively.

Data Availability

The following information was supplied regarding data availability:

The raw data is available in the Supplemental File.

Funding

The authors received no funding for this work.

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