发明名称 METHOD FOR RETENTION OF SOIL WATER SUPPLY
摘要 FIELD: agriculture, in particular, soil water retention method used in districts with cold winter and stable snow cover. SUBSTANCE: method involves providing stubble strips of different height during harvesting period; removing snow cover from soil in early spring. Width of strips free from snow is 3-4 m and of strips with snow cover 10-20 m. Removal of snow from strips is performed in direction transverse to remained stubble strip. Width of different-height stubble strip is selected within the range of 6-20 m. Method provides both soil moisture retention and soil desalinization. EFFECT: reduced cost of works and decreased moisture loss during early spring soil defrosting. 2 dwg, 2 ex
申请公布号 RU2137330(C1) 申请公布日期 1999.09.20
申请号 RU19980120034 申请日期 1998.11.05
申请人 ALTAJSKIJ GOSUDARSTVENNYJ AGRARNYJ UNIVERSITET 发明人 GLADKOV JU.A.;DEMIN V.A.
分类号 A01B79/00;A01B13/16;A01B79/02;(IPC1-7):A01B79/00 主分类号 A01B79/00
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