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- Soil pH was significantly lowest in CE.Temporal patterns of soil N mineralization and nitrification were significant related to the growth of conifers (i.e. 土壤氮矿化和硝化的时间格局与针叶树的迁移显著相关并且随着凋落物，森林地表，细根和土壤特性的演替而变化。
- N mineralization, extractable mineral N or the use of a non-fixing legume or grass to measure available N supply are useful tools to account for the soil N variable. 氮矿化、可浸提的矿质氮以及利用不固氮的豆类植物或禾本科来测量氮供应均是解释土壤N变量的有用手段。
- Results showed that the amount of soil N mineralized and supplied to plant in the soil derived from red sandstone was higher than in that derived from Quaternary red clay. 结果表明 :红砂岩发育红壤 (红砂土 )的矿化量和供氮量显著高于第四纪红黏土 (红黏土 ) ,同一母质中轻度侵蚀红壤的矿化量和供氮量又显著高于重度侵蚀红壤。
- soil N mineralization potential 土壤氮矿化势
- Soil N mineralization 土壤氮矿化
- Silicic acid had no effect on soil pH,ammonium accumulation and the rate of N mineralization. 两种硅肥对施入土壤中氮的去向均无明显影响。
- Total nitrogen (N) and organic carbon (C) in soil, forest floor and litterfall, and N mineralization rates were compared between pure and mixed Pinus luchuensis plantations on similar soils in the northern Okinawa Island, Japan. 对日本冲绳岛北部相同土壤条件下的琉球松纯林及其混交林的土壤氮素及有机碳素、地表凋落物量、枯枝落叶量以及土壤氮素矿化速率进行了比较研究。
- The flood tide of ammonium in the N mineralization process appeared in the 11 day of leaching time, and the N mineralization quantity gradually got into a windless state. 矿化出来的氨氮高峰都出现在淋洗的第11天，之后逐渐降低，最后趋于一个较低的水平；
- The result (pot)showed that soil N,P,Fe,Cu,Zn,Mn content were higher in treatment added moss,soil K,Ca content were lower. 盆栽试验结果表明:加入苔鲜的处理，土壤中的N、p、Mg、Fe、Cu、zn、Mn含量较高，而K和ea的含量较低:加入草炭的处理，N、p、Mg、Mn的含量较高，而K、Ca、Fe、Cu、zn的含量较低。
- In the field experiment, the characteristics of nitr ogen and phosphorus absorption of winter wheat, the dynamic changes of available soil N and P and their relation were studied. 通过田间试验,研究了冬小麦氮、磷营养特征、土壤养分的动态变化及二者的关系。
- The dynamic changes of soil urease and phosphatase activities and soil N,P and K in cherry rhizosphere and their relationships were studied by a pot experiment. 通过盆栽试验研究了樱桃根际脲酶、磷酸酶活性与氮、磷、钾动态变化及其相互关系。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么？
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- Influence of Black Soil N,P,K on maize yield and its control0l 黑土农田氮磷钾对玉米产量的影响及调控
- Water has permeated (through) the soil. 水已渗遍那片土壤。
- There are some clods of soil on the mat. 垫子上有些土块。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
