T/TFHT Z002-2019 Abolished Group standards

T/TFHT Z002-2019 Sunflower cultivation techniques specifications

Publish Date: 2019-06-13 Implement Date: 2019-06-13 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/TFHT Z002-2019

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Economic crops

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2019-06-13

Implement Date: 2019-06-13

Scope

Main technical content: 3. Planting environment in the Hetao Irrigation District: 3.1 Lighting: The average daily sunshine duration is over 10 hours, with an annual sunshine duration of 3,200–3,400 hours. 3.2 Temperature: The annual average temperature is 3.7–7.6°C, and the active temperature sum above 10°C is 2,700–3,200°C. The frost-free period lasts 120–150 days. The climate is a temperate continental monsoon climate with large daily temperature differences, which is conducive to sunflower accumulating organic matter. 3.3 Water: The average annual rainfall is 150–400 mm. There is sufficient irrigation from the Yellow River throughout the year. 3.4 Soil requirements: The soil layer should be deep, with good drainage and layered soil or slightly alkaline land. The organic matter content should be over 1%, and the soil pH value should be around 7.6.