Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB15/T 3595-2024 Technical code of practice for monitoring the quality of black soil via email in business day valid
DB15/T 3596-2024 Technical specification for grading of black soil degradation in the Western Liaohe River Basin via email in business day valid
DB15/T 3597-2024 Technical specifications for grading and grading of black soil degradation in the southern foothills of the Daxingan mountain via email in business day valid
DB15/T 3598-2024 Technical code of practice for protecting soil and reducing erosionby minimum tillage or no-tillage in black soil via email in business day valid
DB15/T 3601-2024 Technical code of practice for cultivation of black soil through rotational cropping and tillage via email in business day valid
DB15/T 3602-2024 Technical code of practice of maize and soybean rotation without tillage for soil conservation and erosion reduction in black soil area via email in business day valid
DB15/T 3603-2024 Technical code of practice for increasing yield and efficiency of wheat and potato rotation in black Soil via email in business day valid
DB15/T 3604-2024 Technical code of practice for straw coverage and pre-sowing treatment of black soil via email in business day valid
DB15/T 3605-2024 Technical code of practice for returning straw to the black soil via email in business day valid
DB15/T 3606-2024 Technical code of practice organic fertilizer to black soil via email in business day valid
DB15/T 3607-2024 Technical code of practice for planting and turning green manure to fertilize in degenerated black soil via email in business day valid
DB15/T 3608-2024 Technical code of practice of maize continuous cropping stalk return in black soil via email in business day valid
DB15/T 3612-2024 Technical code of practice for black soil cross sloping field planting via email in business day valid
DB15/T 3613-2024 Technical code of practice for water storage and soil conservation through deep subsoiling and shallow plowing and straw returning of black soil via email in business day valid
DB15/T 3617-2024 Code of practice for strip rotary tillage and dense planting of maize via email in business day valid
DB15/T 3618-2024 Code of practice for precise fertilization of total nutrients under drip irrigation without film-mulching on maize via email in business day valid
DB15/T 3622-2024 Technical specification for regeneration and rejuvenation of aging pear trees using top grafting via email in business day valid
DB15/T 3623-2024 Technical regulation for forage millet silage via email in business day valid
DB15/T 3624-2024 Technical regulation for bale silage of forage oat via email in business day valid
DB15/T 3634-2024 Open field cultivation technical codes for shazhen C-1 of Allium mongolicum Regel via email in business day valid
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