Full root-zone nitrogen fertilizer application during rice transplanting promoted root development to increase rice yield and improve nitrogen use efficiency in South China.

ABSTRACT:

Introduction

The current nitrogen fertilizer application methods during rice (Oryza sativa L.) transplanting have many problems. To address the problems, a new method, the full root-zone fertilizer application method (RF), was applied during transplanting.

Methods

To investigate the impact of the RF method compared with other fertilizer methods on rice productivity, three repeated experiments were carried in different sites in South China from 2022 to 2023, involving four treatments being four fertilizer application methods: no nitrogen fertilizer applied throughout whole growth cycle (C), RF, deep-side fertilizer application (DF), and manually broadcasting fertilizer application (BF). All treatments applied 100 kg ha^-1 N during transplanting except C.

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SUBMITTER: Zhang K 

PROVIDER: S-EPMC12861886 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature