Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 22 ISSUE 1
Written by Sorina NIȚU (NASTASE), Nina BARASCU, Emilia CONSTANTINESCU

The aim of this research was to measure the amount of chlorophyll leaf content of the Primula officinalis Hill. Species during the vegetation period. Evaluations were made using the chlorophyll meter SPAD 502 (Chlorophyll Meter SPAD 502), with three determinations in dynamics. At each variant repetition / row, three uniform plants in size were analyzed, with each plant performing three readings on three different leaves, resulting a total number of 729 readings and 243 analyzed plants on the occasion of each determination. The SPAD 502 measuring device allows quick and easy measurement of leaf chlorophyll concentrations, without damaging the analyzed plant leaf. The amount of chlorophyll in a plant shows how healthy that plant is. Estimating the concentration of chlorophyll leaf content in real time can be used to determine the optimal period of administration of nutritional supplements as well as their quantity, thus ensuring higher quality yields. Chlorophyll Meter SPAD 502 measuring device is used to determine the plants' vegetation period and at the same time, based on the obtained results, the optimal harvesting time can be determined.

[Read full article] [Citation]