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- soil potassium form 土壤钾素形态
- Effects of fertilization on aquic brown soil potassium budget and crop potassium allocation. 施肥对潮棕壤钾收支及钾在作物体内分配的影响
- Response of Tobacco to Potassium Fertilizer and Soil Potassium Change after Planting Tobacco Yellow-Red Soil. 黄红壤上烟草对钾的反应及种烟后土壤钾的变化
- Use slow- release nitrogen fertilizers, and balance the nitrogen with potassium, preferably a slow-release potassium form. 使用慢速释放型的氮肥,并用钾素平衡氮素,最好是慢速释放型的钾素形式。
- The results indicated potassium fertilization increased significantly potassium pools in soils.However,the absolute content of the soil potassium trended to decrease year by year. 结果表明:施用钾肥能显著提高土壤钾库的各类钾素,但其绝对含量都呈逐年下降的趋势。
- For the reseason of parent material, topography, climate conditions and cultivated history, the soil potassium content of Guizhou province is on the level of middel or higher in the beginning of '80. 因母质、地形、气候条件和垦殖历史等原因,20世纪80年代初贵州土壤钾素含量处于中等或较丰富水平。
- 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?
- Skin particles are a form of soil. 皮肤碎屑是污垢的一种形式。
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- 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。
- She makes her living from the soil. 她以务农为生。
- The Effect of Long-term Fix-point Application on the Potassium Forms in Purple Soil 多年定位施肥对紫色土钾素形态变化的影响
- Grass will not succeeded in this dry soil. 在这种干燥土壤中草不会成活。
- 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. 随着污染的加剧,土壤的酸化越来越严重。