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- Through short-term indoor leaching,the effects of simulated acid rain on soil exchangeable Ca2+,Mg2+,K+,Na+,base saturation(BS),CEC,electrical conductivity(EC) contents in litchi orchard under consideration were studied. 采用短期室內淋溶的方法研究了模擬酸雨對供試果園土壤交換性Ca2+、Mg2+、K+、Na+、交換性鹽基總量(BS)、陽(yáng)離子交換量(CEC)、電導率(EC)等變化的影響。
- Five soil exchangeable sodium percentages (ESP) of 0, 5, 10, 20, 40 and four soil water contents(w/w) of 0.05, 0.10, 0.20, 0.34(saturated) were tested. 試驗處理采用5種土壤堿度(土壤可交換鈉百分比ESP=0、5、10、20、40)和4種土壤質(zhì)量含水率(0.;05、0
- Within the rotation system, soil non-exchangeable K is the main potassium source, followed by soil exchangeable K and water soluble K. 在一個(gè)輪作期內，非交換性鉀是黃褐土主要供鉀形態(tài)，其次是交換性鉀和水溶性鉀。
- The exchangeable acidity in constant charge soils is pronouncedly larger than that in variable charge soils. 恒電荷土壤的可交換性酸量明顯大于可變電荷土壤。
- Effects of Leaching with Simulated Acid Rain and Low Molecular Weight Organic Acids on Soil Exchangeable Base 模擬酸雨和幾種低分子量有機酸淋溶對土壤交換性鹽基的影響
- Some plants push their roots deep into the soil. 一些植物的根深深長(cháng)入土中。
- Such crops won't grow in limy soil. 這類(lèi)作物不能在石灰質(zhì)的土壤中生長(cháng)。
- What shall we grow in this alkaline soil? 我們應該在堿性土壤里種什么？
- There are a lot of worms in the soil. 泥土中有許多蠕蟲(chóng)。
- Roses will not root in such acid soil. 玫瑰在這種酸性土壤中不會(huì )生根。
- Water has permeated (through) the soil. 水已滲遍那片土壤。
- There are some clods of soil on the mat. 墊子上有些土塊。
- The earth in the garden is good, soft soil. 花園里的泥土松軟肥沃。
- This kind of soil contains much alkali. 這種土壤含堿豐富。
- She makes her living from the soil. 她以務(wù)農為生。
- Grass will not succeeded in this dry soil. 在這種干燥土壤中草不會(huì )成活。
- Influence of Greenhouse Vegetable Cultivation on Composition of Soil Exchangeable Base Cations 溫室蔬菜栽培對土壤交換性鹽基離子組成的影響
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- The soil becomes more and more acidic as pollution mounts up. 隨著(zhù)污染的加劇，土壤的酸化越來(lái)越嚴重。
- Exchangeable acid 交換性酸
