Effect of Leaf Phosphorus and Potassium Concentration on Chlorophyll Meter Reading in Rice

Chlorophyll meter (SPAD) is a convenient tool to estimate leaf nitrogen (N) concentration of rice plants. There is no information on the effects of leaf phosphorus (P) and potassium (K) concentration on SPAD readings and on the relationship between SPAD values and leaf N concentration in the literat...

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Bibliographic Details
Main Authors: Shaobing Peng, Arnel L. Sanico, Felipe V. Garcia, Rebecca C. Laza, Romeo M. Visperas, Josue P. Descalsota, Kenneth G. Cassman
Format: Article
Language:English
Published: Taylor & Francis Group 1999-01-01
Series:Plant Production Science
Subjects:
Online Access:http://dx.doi.org/10.1626/pps.2.227