Masaaki Hohjo

Effects of Supplemental Lighting with Light-Emitting Diodes (LEDs) on Tomato Yield and Quality of Single-Truss Tomato Plants Grown at High Planting Density

Na Lü, Toru Maruo, Masahumi Johkan et al. · Environment Control in Biology · 2012 · 110 citations · Full text

Light Regulation, Solid-state Lighting, Tomato Yield +15

A correlation analysis on chlorophyll content and SPAD value in tomato leaves

Chengyao Jiang, Masahumi Johkan, Masaaki Hohjo et al. · Medical Entomology and Zoology · 2017 · 89 citations · Full text

Plant Analysis, Tomato Leaves, Engineering +10

Photosynthesis, plant growth, and fruit production of single-truss tomato improves with supplemental lighting provided from underneath or within the inner canopy

Chengyao Jiang, Masahumi Johkan, Masaaki Hohjo et al. · Scientia Horticulturae · 2017 · 69 citations

Biology, Fruit Production, Light Regulation +9

Effects of Supplemental Lighting within the Canopy at Different Developing Stages on Tomato Yield and Quality of Single-Truss Tomato Plants Grown at High Density

Na Lü, Toru Maruo, Masahumi Johkan et al. · Environment Control in Biology · 2012 · 42 citations · Full text

High Density, Light Regulation, Tomato Yield +12

Plant Growth and Photosynthesis Response to Low Potassium Conditions in Three Lettuce (<i>Lactuca sativa</i>) Types

Geng Zhang, Masahumi Johkan, Masaaki Hohjo et al. · The Horticulture Journal · 2016 · 41 citations · Full text