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2010•Chinese Qinghai Journal of Animal and Veterinary SciencesRequires access

Effect of Dressing Different Type of Nitrogen on Biomass on Alpine Meadow Pasture

Kejia De

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Abstract

Applying two kinds of different type Nitrogen on Alpine meadow pasture for studying its effect on biomass.The results showed that aboveground biomass fresh weight reach 6 080kg/hm2,aboveground biomass dry weight reach 2 716kg/hm2,underground biomass dry weight reach 84 312.23kg/hm2 under NH+4-N as single nitrogen resource.Comparing with NO-3-N treatment as single applying,increasing by 147.15%,115.56% and 52.87% respectively.Chang of aboveground biomass and underground biomass on Alpine meadow tend to decreasing under proportion of decreasing NH+4-N and increasing NO-3-N.Applying Non-organic Nitrogen fertilizre,gaining yield of different type of forage showed that NH+4-N is optimum and NO-3-N is least optimum.

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What this paper is about

Applying two kinds of different type Nitrogen on Alpine meadow pasture for studying its effect on biomass.The results showed that aboveground biomass fresh weight reach 6 080kg/hm2,aboveground biomass dry weight reach 2 716kg/hm2,underground biomass dry weight reach 84 312.23kg/hm2 under NH+4-N as single nitrogen resource.Comparing with NO-3-N treatment as single applying,increasing by 147.15%,115.56% and 52.87% respectively.Chang of aboveground biomass and underground biomass on Alpine meadow tend to decreasing under proportion of decreasing NH+4-N and increasing NO-3-N.Applying Non-organic Nitrogen fertilizre,gaining yield of different type of forage showed that NH+4-N is optimum and NO-3-N is least optimum.

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Available abstract

Applying two kinds of different type Nitrogen on Alpine meadow pasture for studying its effect on biomass.The results showed that aboveground biomass fresh weight reach 6 080kg/hm2,aboveground biomass dry weight reach 2 716kg/hm2,underground biomass dry weight reach 84 312.23kg/hm2 under NH+4-N as single nitrogen resource.Comparing with NO-3-N treatment as single applying,increasing by 147.15%,115.56% and 52.87% respectively.Chang of aboveground biomass and underground biomass on Alpine meadow tend to decreasing under proportion of decreasing NH+4-N and increasing NO-3-N.Applying Non-organic Nitrogen fertilizre,gaining yield of different type of forage showed that NH+4-N is optimum and NO-3-N is least optimum.

Key concepts: Pasture, Biomass (ecology), Nitrogen, Forage, Agronomy, Environmental science, Dry weight, Yield (engineering)

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Effect of Dressing Different Type of Nitrogen on Biomass on Alpine Meadow Pasture — Research Paper | ScholarLens