[PDF][PDF] Effect of the humic acids and their combination with boron and polyphenols extracted from the seeds of Vitis vinifera to culture of tomatoes in solar
Annals of the University of Craiova. serias Biology. Horticulture, 2013•researchgate.net
This study shows the effect of foliar fertilization with three fertilizers consisting on: humic
acids (HA); humic acids+ polyphenolic extract of Vitis vinifera seed (ESVv); humic acids+
polyphenolic extract of Vitis vinifera seed+ boron (B); on tomato cultivar Antalya. Biometric
and biochemistry measurements were made of plants and tomato fruits. Bio-fertilisers were
applied to foliage at a concentration of 10 mL/L humic acid and 15 mL/L for variants with
polyphenolic extract and boron. Fertilization was carried out at 3 weeks after planting in …
acids (HA); humic acids+ polyphenolic extract of Vitis vinifera seed (ESVv); humic acids+
polyphenolic extract of Vitis vinifera seed+ boron (B); on tomato cultivar Antalya. Biometric
and biochemistry measurements were made of plants and tomato fruits. Bio-fertilisers were
applied to foliage at a concentration of 10 mL/L humic acid and 15 mL/L for variants with
polyphenolic extract and boron. Fertilization was carried out at 3 weeks after planting in …
Abstract
This study shows the effect of foliar fertilization with three fertilizers consisting on: humic acids (HA); humic acids+ polyphenolic extract of Vitis vinifera seed (ESVv); humic acids+ polyphenolic extract of Vitis vinifera seed+ boron (B); on tomato cultivar Antalya. Biometric and biochemistry measurements were made of plants and tomato fruits. Bio-fertilisers were applied to foliage at a concentration of 10 mL/L humic acid and 15 mL/L for variants with polyphenolic extract and boron. Fertilization was carried out at 3 weeks after planting in three stages with an interval of 10 days. HA treatment had a beneficial effect on plant growth both in height and in diameter of base stem and also on the leaf growth. The ESVv application determine a retardant character of tomato plants and HA+ ESVv+ B determine very good vegetative growth compared with the control. The foliar application with HA+ ESVv has positively influence the average fruit weight. The study shows that HA mixed with extract of Vitis vinifera and boron can be successfully used to achieve significant increases in crop production of tomatoes in solar.
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