by method of soil inorganic phosphorus fraction, the dynamic transformation of phosphate fertilizer and its influence factors in meadow soil in hebei province is discussed.
采用石灰性土壤无机磷分级方法初步探讨了河北省砂质潮土中p肥动态转化及其影响因素。
the brown soils, dark brown soils and possibly felling areas are often the origins of block glacier, possibly alpine meadow soil is easily suffered from erosion and strong cold winding erosion.
the actinomyces from alpine meadow soil in tibet was identified and classified by using routine methods, and its physiological and biochemical characteristics were identified.
采用常规方法对西藏索马地区高山草原土中放线菌进行了初步鑒定和分类,并对链霉菌属进行了生理生化鑒定。
the level of available silicon is higher in black soil and cinnamon soil, but lower in albic soil, meadow soil and brown earth.
大部分黑土和褐土属于较高水平,而白浆土、草甸土和棕壤偏低。
the black calcium soil plots were conducted in farmland, the meadow soil in the natural reserves, and the meadow alkali soil in the degraded grassland with saline bowls.
黑钙土样地选择在大田,草甸土选择在羊草自然保护区内,草甸堿土选择在退化草地堿斑部位。
the capacity of calcareous meadow soil to nitrogen fertilizer in beijing area was studied by a long-term fertilizer experiment under condition of winter wheat-summer corn→spring corn rotation.
there is much sajang meadow soil in central and southern area of henan province.
砂姜黑土广泛分布于河南省的中南部地区,是影响农业低产的主要旱作土壤之一。
as the potassium content in meadow soil in hongxinglong farm is fairly high, the effect of potash application on the increase of crops yield was not very significant.
红兴隆草甸土钾素含量较高,施钾对大豆和小麦有一定的增产效果,但增产幅度不大。
the pollution effects and accumulation rules of nickel were studied in the sandy loam paddy soil for rice and in the meadow soil for corn by pot experiments.