soil mineral N 第1页

Effects of water condition and nitrogen level on soil dissolved nitrogen compounds Effects of reducing N application on crop N uptake, utilization, and soil N balance in ricewheat rotation system Some effects of inorganic fertilizer and recycled crop nutrients on soil nitrogen supply and paddy rice production in the red earth region of China Studies on Changes of Field—Vegetable Ecosystem under Long-term FixedFertilizer Experiment(II) Changes of Physical and Chemical Nature of Vegetable Soil Difference of nitrogen utilization and distribution of mineral nitrogen in soil profile by competitive abilities of intercropping systems Nutrient characteristics of four kinds of winter green manure and their influences on soil mineral nitrogen before incorporation Absorption and apparent budget of nitrogen by direct-seeding rice cultivated in aerobic soil with or without mulching Decomposition characteristics of maize roots derived from different nitrogen fertilization fields under laboratory soil incubation conditions Influence of residues and earthworms application on N2O emissions of winter wheat Studies on Changes of Field—Vegetable Ecosystem under Long-term FixedFertilizer Experiment(II) Changes of Physical and Chemical Nature of Vegetable Soil