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- W2386260766 abstract "The effects of rape alfalfa wild ryegrass mixture on major physical, chemical and biological characters of soil were studied in Zhangbei county of Hebei province. It was shown that in a dry year with 167.5 mm rainfall during the growing season, the water storage capacity of the soil under the mixture was higher than that of the soil under the native pastures until the flowering stage of the mixture; and in a year with 355.9 mm rainfall, the water storage capacity of the former kept higher than the latter by 5.7～67.6 mm in 1 meter deep topsoil through the growing season. The mixture decreased the salt content of the soil by 0.31 ～ 6.0 g/kg in the cultivated horizon and 0.12 ～ 1.21 g/kg in the 1 meter deep topsoil. Indicated by major indices, the fertility and the structure of the soil were also improved by the mixture. These factors, in turn, promoted the yield of forage production: an increase of 17.8% ～ 319.1% in dry matter and 27.9% ～ 316.1% in crude protein compared to the native pastures. The results indicated that the establishment of artificial mixture pastures in the semi arid region might be an effective way to improve the efficiency of water utilization and increase fodder production." @default.
- W2386260766 created "2016-06-24" @default.
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- W2386260766 date "1999-01-01" @default.
- W2386260766 modified "2023-09-25" @default.
- W2386260766 title "Effects of rape legume-grass mixed pastures on soil in cold semi-arid region with high elevation" @default.
- W2386260766 hasPublicationYear "1999" @default.
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