GB/T 27515-2011Technical regulation for rotational mowing on natural grassland (English PDF)
天然割草地轮刈技术规程
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 21, 2011
Implementation date
March 1, 2012
Scope
GB/T 27515-2011 is the English-translated version of 天然割草地轮刈技术规程.
GB/T 27515-2011 is the Chinese standard "Technical regulation for rotational mowing on natural grassland". Its scope clause reads: This standard specifies the natural mowing mow round technical solutions.
This standard applies to temperate meadow steppe, temperate steppe and intrazonal lowland meadow and marsh grass. Its clauses include terms and definitions.
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Document preview — GB/T 27515-2011
National Standard of the People's Republic of China
- ICS
- 65.020.01
- Classification
- B 40
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Terms and definitions
- 2.1 Natural mowing
- 2.2 Round Kariya rotationalmowing
- 2.3 Cutting Time mowingtime
- 2.4 Stubble height
- 2.5 Heading
- 2.6 Squaring buddingstage
- 2.7 Flowering
- 2.8 Filling Period seedsetstage
- 2.9 Drain cut with leakagecuttingzone
1 Scope
This standard specifies the natural mowing mow round technical solutions.
This standard applies to temperate meadow steppe, temperate steppe and intrazonal lowland meadow and marsh grass.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1 Natural mowing
For cutting natural grass.
2.2 Round Kariya rotationalmowing
Mowing in different areas from year to year rotation to replace the cutting mode.
2.3 Cutting Time mowingtime
OK mowing time based on grassland yields, nutrient content and climate and other factors.
2.4 Stubble height
Forage mowing height remaining after.
2.5 Heading
Grasses 50% spikes protruding from the top of the sheath period.
2.6 Squaring buddingstage
Forage legumes and forbs 50% bud formation period.
2.7 Flowering
Corolla (grasses as lemma) open, stamens protruding, began to spread pollen period.
2.8 Filling Period seedsetstage
Seeds from the pollination to full maturity period.
2.9 Drain cut with leakagecuttingzone
At each zone mowing and snow to seed regeneration and stay bar area, a width of 15m ~ 30m.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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