Page 513 - Ebook HTKH 2024

Fert.3 17.450 17,000 296,650 16.230 12,000 194,760

Fert.1 17.733 30,000 531,990 16.996 25,000 424,900
Malabar
spinach Fert.2 21.081 22,000 463,782 18.196 20,000 363,920

Fert.3 20.902 17,000 355,334 18.201 12,000 218,412

Fert.1 19.242 30,000 577,260 18.242 25,000 456,050
Green
mustard Fert.2 21.267 22,000 467,874 21.785 20,000 435,700

Fert.3 21.222 18,000 381,996 21.121 11,000 232,331

Fert.1 23.555 30,000 706,650 24.123 25,000 603,075

Bok choy
Fert.2 27.704 22,000 609,488 27.292 20,000 545,840

Fert.3 26.959 18,000 485,262 26.111 11,000 287,221
Vegetables are purchased by traders at the following prices (Table 4): 100%
organic vegetables (Fert.1) cost from 29,500 - 30,000 VND/kg (depending on the type
of vegetable); vegetables grown with combine organic and inorganic fertilizers cost
from 22,000 - 25,000 VND/kg; and vegetables grown with inorganic fertilizers cost

from 11,000 - 18,000 VND/kg. In which, vegetables grown in greenhouses are more
expensive than those grown in the field (with the same type of fertilizer applied). For
example, the same organic water spinach, but if grown in a greenhouse, the price is
30,000 VND/kg, and in the field is 25,000 VND/kg.
From this selling price and the results of fertilizer testing, the research team found
that growing vegetables with 100% organic fertilizer still brings higher revenue to

growers. This data was taken during the dry season. However, if taking into account the
annual vegetable yield, growing in greenhouses is still more effective because it can be
grown year-round (8-10 crops/year); while in the field, it can only be grown 4-5
crops/year.
The sales results helped the research team choose the 100% organic fertilizer
treatment to continue testing on vertical pillars in greenhouses for 5 vegetable varieties,
grown in 3 consecutive crops to compare with outdoor cultivation on a unit area and

evaluate the impact of indoor cultivation on economic and environmental efficiency
(section 3.4).

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