Email this article THE GROWTH AND YIELD OF BRASICACEAE VARIETIES GROWN IN THE CIRCULATING HYDROPONIC SYSTEM IN AUTUMN – WINTER CROP, 2019 AT THAI NGUYEN UNIVERSITY OF AGRICULTURE AND FORESTRY
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Received: 10/07/20 Revised: 28/07/20 Published: 31/07/20Authors
1. Ha Viet Long
, TNU – University of Agriculture and Forestry2. Ha Minh Tuan, TNU – University of Agriculture and Forestry
3. Dang Thi To Nga, TNU – University of Agriculture and Forestry
4. Vang Thi Ly, TNU – University of Agriculture and Forestry
Abstract
The study was conducted in Autumn - Winter crop, 2019 at Thai Nguyen University of Agriculture and Forestry with 4 Brasicaceae varieties (Cai xanh, Be mao ga, Mo lun and Canh la do) grown in the circulating hydroponic system. The results showed that the Brasicaceae varieties grown in Autumn - Winter crop in 2019 had good growth and short growing period. The yield of Be mao ga was equivalent to Mo lun (33.75 and 31.11 quintals/1000 m2), higher than Cai xanh (28.69 quintals/1000 m2), while Canh la do showed the lowest yield with 21.64 quintals/1000 m2. The Brasicaceae varieties tested under hydroponic conditions had low N03- content (120 - 150 mg/kg), ensuring safety (<500mg) as prescribed by the Ministry of Agriculture issued (Decision No. 99/2008/QD-BNN). Vitamin C content ranged from 21.80 to 23.53 mg/100g, while Brix content ranged from 2.73 to 3.77% and dry matter content fluctuated from 6.2 to 7.51%. Among 4 Brasicaceae varieties, Canh la do showed the highest dry matter content (7.51%).
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