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LY/T 1827-2009: Cultural techniques regulation for Forsythia suspensa
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Cultural techniques regulation for Forsythia suspensa
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LY/T 1827-2009
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Basic data | Standard ID | LY/T 1827-2009 (LY/T1827-2009) | | Description (Translated English) | Cultural techniques regulation for Forsythia suspensa | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B38 | | Classification of International Standard | 11.120.10 | | Word Count Estimation | 8,850 | | Date of Issue | 2009-06-18 | | Date of Implementation | 2009-10-01 | | Quoted Standard | GB 3905; GB 4285; GB 5084; GB 9137; GB 15618; NY/T 496 | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the forsythia seedling production, planting, tending and harvest techniques. This standard applies to perforatum standardized production. | LY/T 1827-2009: Cultural techniques regulation for Forsythia suspensa---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Cultural ideas regulation for Forsythia suspensa
ICS 11.120.10
B38
People's Republic of China Forestry Industry Standard
Forsythia cultivation technical regulations
Released on June 17,.2009
2009-10-01 implementation
State Forestry Administration released
Foreword
This standard is proposed and managed by the State Forestry Administration.
This standard was drafted. Henan Forestry Research Institute, Henan Forestry Technology Extension Station.
The main drafters of this standard. Yu Lei, Huang Peng, Jin Wei, Zhang Lijun, Li Guizhen, Liang Xiuting, Fan Dingchen, Shen Zhiguo, Li Lianghou, Sun Xiaowei,
Ma Junqing, Zhang Yujun, Xia Chunyan.
Forsythia cultivation technical regulations
1 Scope
This standard specifies the seedling raising, afforestation, tending management and fruit harvesting techniques of Forsythia production.
This standard applies to the standardized production of Forsythia.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
GB 3905 Ambient Air Quality Standard
GB 4285 Standard for safe use of pesticides
GB 5084 Farmland Irrigation Water Quality Standard
GB 9137 Maximum allowable concentration of atmospheric pollutants for crop protection
GB 15618 Soil Environmental Quality Standard
NY/T 496 General Principles for the Rational Use of Fertilizers
3 seedling breeding
3.1 Selection of depression
The altitude is 300m~600m, and the slope is 0°-20°. There are irrigation and drainage conditions, 30m away from the main road, no production within 1000m
Polluted industrial and mining enterprises, no "three wastes" pollution, no garbage dumps, air quality, maximum allowable concentration of atmospheric pollutants, irrigation water quality requirements
Meet the requirements of GB 3905, GB 9137, GB 5084. The soil layer is 40cm thick and has a pH of about 7 and the leeward is sunny. Soil environment
The quality should meet the requirements of GB 15618.
3.2 Seedling methods
3.2.1 Seeding and seedling
3.2.1.1 Seed collection
In the middle and late October, the selection of forsythia trees with strong growth, no pests and diseases, and good performance is the seedling mother tree, and the long flower column and short flower column plant.
Picking yellow stalks and collecting seeds.
3.2.1.2 Pre-cast processing
The collected seeds are immersed in clean warm water at 30 ° C for 4 h to 6 h, and the wet sand (wet sand moisture content) is 3 times higher than the seeds.
After mixing 60%), it is placed in a wooden box, and the mouth of the box is sealed with a plastic film.
3.2.1.3 Sowing time
Mid-March.
3.2.1.4 Seeding method
Under the foot and the sputum, when the sputum is insufficient, the water is kept and the soil is kept. After the soil is loosened, the standard is ditched by the standard of 20cm and 1cm deep on the raking surface.
The amount is 45kg/hm2, which is strictly classified according to the flower pattern of the seed, and is planted separately. After sowing, the soil is covered by about 1cm, and the classification mark is set.
3.2.1.5 Seedling management
The kneading surface is often kept moist. When the seedling height is 3cm in the first ten days of April, the seedlings are fixed according to the plant spacing of 5cm. In late April, combined with watering, urea is applied.
150kg/hm2. Temporary cultivating and weeding.
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