Effects of Ridging on Soil and Above-ground Biomass in Heavy Alkali-saline Grasslands of West Songnen Plain,China Influences on the seed germination and growth with addition of kriliums in saline-alkali soil AFFORESTATlON TECHNIQUE ANDA MELIORATION OF LIAONING COASTAL SALIN-ALKALINE SOIL Effects of coal-fired flue gas desulfurated waste residue application on saline-alkali soil amelioration and oil-sunflower growth Amelioration of secondary bare alkali-saline patches in Songnen Plain through inserting cornstalk. Change of Ion Content and Particle Size of the Modified Severe Saline-alkali Soil Response of Fine Root Characteristics of Pinus massoniana to the Doses of\n Limestone Powder Mixed in Soil in the Acid Rain Area of Chongqing, China Subsoil stress and adaptation of plant roots Effects of vegetation restoration on the amelioration of degraded soil in a dry-hot valley Effects of spent mushroom compost on greenhouse cabbage growth under soil salt stress. Influence on Soil Properties and Different Plant Photosynthesis,Growth by Different Amelioration Methods Effect of different soil amelioration materials on nutrient uptake and the metabolism of carbon and nitrogen of tobacco Dynamics of soil alkali-salinity and growth of poplar saplings after krilium-addition in heavy soda saline-alkali soil in field Effect of applying peat to soda salinized soil on soil salinity in north plain of Liaohe River Response of soil quality indicators to comprehensive amelioration measures in coastal salt-affected land Ecological effect of Trichoderma agent on platform field soil improvement in saline coastal area Effect of Poplar Plantation on Soil Amelioration in Severe Saline-alkali Soil THE SOIL AMELIORATION EFFECT OF POPLAR-BLACK LOCUST MIXED PLANTATION ON SAND SOIL AND THE INTERACTION OF MUTUAL SUPPLEMENT OF NUTRIENT BETWEEN TREE SPECIES Effect of plant residues on soil acidity and its mechanisms Evaluating soil salinization risk in typical coastal reclaimed regions in North Jiangsu Province