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- [21] OPERATIONAL-RESEARCH STUDY OF FORAGE CONSERVATION SYSTEMS FOR COOL, HUMID UPLAND CLIMATES .1. DESCRIPTION OF MODEL JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 1990, 45 (02): : 117 - 136
- [22] THE EFFECT OF MOLE DRAINAGE ON SOIL TEMPERATURES UNDER PASTURE JOURNAL OF SOIL SCIENCE, 1985, 36 (03): : 319 - 327
- [23] Efficiency of soil and fertilizer nitrogen of a sod–potato system in the humid, acid and cool environment Plant and Soil, 2003, 251 : 23 - 36
- [29] Experimental study on surface soil cool storage cross season in severe cold climates area Yang, T. (taotao5332@126.com), 1600, Science Press (35):