期刊
JOURNAL OF PLANT NUTRITION
卷 42, 期 14, 页码 1637-1644出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01904167.2019.1628985
关键词
Amino acid; biostimulation; fortification; fertilization; vegetable crop
In this study, the effect of glycine amino acid was evaluated on growth characteristics and nutrient uptake of coriander plants under greenhouse conditions. The treatments were soil application of glycine in two concentrations of 300 and 600 mg kg(-1) soil, foliar application of glycine (in 0.05% concentration), soil application of mix NPK fertilizer and no fertilizer control. The growth parameters of plant height, leaf SPAD value, shoot and root fresh weights were significantly improved by soil application of glycine, particularly in higher concentration. Soil application of glycine also reduced the number of flowered plants, while it increased soluble solids (TSS) and vitamin C of plant leaf extracts than control plants. Leaf nutrient concentrations of nitrogen (N), calcium (Ca), potassium (K), phosphorus (P), iron (Fe), and zinc (Zn), but not magnesium (Mg) and manganese (Mn), were significantly increased by soil application of glycine, whereas soil applied NPK significantly increased P and Ca of leaves than unfertilized control plants.
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