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- The distribution feature is that in calico purple soil rice and corn are short of zinc,in acid arenaceous soil wheat is short of molybdenum,in gravel yellow soil cole and orange are short of boron,in gles tide soil wheat is short of manganese. 分布特征是钙质紫色土水稻、玉米缺锌 ,酸性砂质土小麦缺钼 ,砾质黄壤油菜、柑桔缺硼 ,潜育化潮土小麦缺锰。
- purplish clayey soll (PCS)- rice system 青紫泥-水稻作物系统
- The seemingly contradictory advantages and disadvantages that submerged rice systems have on people and the environment can be better resolved through good agriculture practices. 水稻系统对人和环境的这些优劣矛盾,可以通过更好的农业耕作方式加以解决。
- Improving the productivity of rice systems would contribute to hunger eradication, poverty alleviation, national food security and economic development. 提高稻谷系统的产量,将有助于消除饥饿、脱贫、国家粮食安全和经济发展。
- The expression of rice systemic acquired resistance (SAR)to blast disease by treatment of benzo (1, 2, 3 )-thiadiazole-7-carbothioic acid S-methyl ester (BTH) was evaluated. 研究了苯基（1，2，3）噻二唑－7－硫代羧酸硫甲酯（BTH）处理诱导水稻对稻瘟病的系统获得 抗性的表现。
- Keywords Soil Rice Organochloride pesticide Residue; 土壤;大米;有机氯;残留;
- 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。
- Water has permeated (through) the soil. 水已渗遍那片土壤。
- Effect of rice-azolla-fish system on soil environment of rice field. 稻-萍-鱼体系对稻田土壤环境的影响。
- 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。
- Study and Extension on the Whole Plough Layer Basal Fertilizati on Technique in a Double Cropping Rice System 双季稻一次性全层施肥技术的研究与示范推广
- 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。
