A description of element concentration and plant growth from JICA Volunteer

2020年06月04日

We would like to share a posts from Mr. Hirotomo Sato, JICA volunteer (Soil & Fertilizer) which describes about deficiency and excess symptoms of phosphate (P), calcium (Ca), manganese (Mn) and boron (B). For detail, please refer to the pictures below.

Source: Hirotomo Sato
Credited: JICA, Volunteer Section