英语词典
Effects of long-term fertilization on inorganic phosphorus fractions in lime concretion black soil
长期施肥对砂姜黑土无机磷形态的影响
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Effect of Nitrogen Application Combined with Potassium on Ginger Yield and Lime Concretion Black Soil Fertility
氮钾配施对生姜产量和砂姜黑土肥力的效应
Probe into Measures of Controlling Ground Water Level in the Dark Soils with Lime Concretion Area of the Plain of the Northern Huaihe
淮北砂姜黑土区地下水调控措施探讨
Five field experiments of response of wheat yield to K application were conducted for two years in lime concretion black soil region of Huaibei plain.
通过田间试验研究了淮北平原砂姜黑土地区小麦施钾的增产效应。
Field experiments about effect of nitrogen application combined with potassium on winter cabbage yield and soil nutrient in Lime concretion black soil district was conducted for three years.
通过多年田间试验研究甘蓝氮钾配施的增产效应和对砂姜黑土养分的影响。
In the light of the principle of classical statistics, the study on the status and spatial variability of nutrient of lime concretion black soil in Huaibei plain was conducted.
应用经典统计学方法研究淮北平原砂姜黑土养分状况及其空间变异性。
The coefficient of variation in SOC among soil types was also great, with the highest in mountain acid brown type ( 95.42%), and with the smallest in mound lime concretion black soil type ( 18.92%).
土类的有机碳变异性也极大,变异系数以山地酸性棕壤类最大,达95.42%,最小的是岗地砂姜黑土类,为18.92%。
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