soil aeration

  • 网络土壤通气性;土壤的通气机制;通气性
soil aerationsoil aeration
  1. Effects of Soil Aeration on Sweet Potato Yield and Its Physiological Mechanism

    土壤通气性对甘薯产量的影响及其生理机制

  2. Effects of the soil aeration on nutrient absorption , ~ ( 14 ) c-assimilates distribution and storage root yield in sweet potato

    土壤通气性对甘薯养分吸收、~(14)C同化物分配及产量的影响

  3. The studies on soil aeration porosity in soil under shed protections

    大棚土壤剖面通气孔隙变化的研究

  4. Poor drainage causes deficient soil aeration and death of the roots .

    排水不良能减低土壤的透气性,使根死亡。

  5. Study on Soil Aeration and Permeability of Plantation in Xishuangbanna

    西双版纳几种人工林土壤通透性能研究

  6. Soil aeration conditions are partly over compacted and partly higher aerated .

    土壤通气状况,部分过于板实,部分透性偏高;

  7. The improvement of soil aeration also accelerated the transportation of 14C-photosynthates from leaves to tubers , increased the partition ratio of dry weight to tubers .

    促进14C同化物由叶片向块茎的运输和分配,提高干物质在块茎中的分配率;

  8. Crop rotation with rice and upland crops could lower the groundwater level , improve soil aeration condition , increase soil available nutrients content , and decrease soil reduction matter content during rice planting season .

    水旱轮作能有效地降低地下水位、改善土壤通气条件、增强土壤养分的有效性,有效降低水稻栽培期土壤还原性物质的含量;

  9. The results showed that the improvement of soil aeration increased the ATP content and promoted the ATPase activity in functional leaves and tubers , and increased the contents of ABA in tubers .

    结果证明,改善土壤通气性,可以增加功能叶片ATP含量,提高功能叶片ATP酶活性;增加块茎中ATP含量和脱落酸(ABA)含量,提高块茎中ATP酶活性。

  10. The reasons of water saving and yield increasing of the optimal irrigation model are improving soil aeration , strengthening roots activity , enhancing tillering force and effective tillering ratio and improving plant shape and yield structure .

    优化灌溉模式能省水增产的原因是可以改善土壤通透性,增强根系活力,提高水稻的分蘖力和有效分蘖率,改善植株形态和产量结构。

  11. He says this fire-free method by the pre-Columbian farmers helped change the seasonally flooded , or grassland , into productive cropland . Raised fields provide better drainage and soil aeration and also hold moisture during the dry season .

    他说,前哥伦布时代农民的非烧荒方法,使季节性洪涝的热带草原改造成多产的农田。

  12. Compared with the continuous monoculture , the crop rotation could improve soil aeration , accelerate the release of the available nutrients and increase the total quantity of microbe in the soil ( general aerobic bacteria , fungi , actinomyce ) .

    轮作田与连作田比较能改善土壤的通气性,加速速效性养分的释放,增加土壤微生物总量(一般好气性细菌、真菌、放线菌);

  13. The results indicated that as the intensity of sward cleavage increased , Elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ;

    结果表明:垂穗披碱草等对土壤通透性和资源空间要求较高的物种,竞争力随划破强度的增加而上升,而对土壤通透性和资源空间要求相对较低的物种则相反;

  14. By using compost it improves the soil , aeration and texture .

    用堆肥,提高土壤曝气和纹理。

  15. Improving Growth of Street Trees by Boring the Rhizo $ pheric Soil for Aeration

    土壤钻孔通气法对行道树生长的改善

  16. Because of the and improvement of soil fertility aeration , the absorption of N , P , and K nutrients by rice plant was improved in same manner .

    而且由于土壤肥力的提高以及土壤通气状况的改善,也促进了水稻对N、P、K养分的吸收。

  17. Research of Dynamic Absorbed Model of Fluoride in Soil of the Aeration Zone

    氟化物在包气带中动态吸附模型的试验研究

  18. Degradation of phenanthrene in soil at different aeration rates using modified biological reactor

    利用改进的生物反应器研究不同通气条件下土壤中菲的降解

  19. Biodegradability of heavy-oils in soil of an aeration zone

    包气带土层中重质油的生物可降解性

  20. A farm implement used to break up the surface of the soil ( for aeration and weed control and conservation of moisture ) .

    用来打破土地表面的农用装置。

  21. Are plugs of compacted soil produced through aeration of fairways loose impediments ?

    球道中积水井盖上散落的淤泥算不算散置障碍物?

  22. The article describes its characteristics and points out their study directions . One is how to control soil water in aeration zone , the other is numerical simulation study on water-gas flow .

    本文在阐述包气带水特征的基础上,指出了包气带水研究方向:一是包气带中土壤水的调控研究,二是水&气二相流数值模拟研究。

  23. Soil porosity and aeration got well , furrow layer incrassated > the organic matter increased and there were more species and quantity of soil mites in the plots which have used EM compost for a long time .

    长期施用EM堆肥,土壤孔隙多,通气性好,土壤耕层增厚,有机质含量提高,土壤螨种类与数量最多。

  24. The result was that BGA solid amendment decrees content of dissoluble salt and pH and change Physics character of seashore Saline soil , increase soil aeration and keep soil water .

    通过试验结果表明:固体改良剂BGA可以降低滨海盐土中的可溶性盐量和PH值;改变土壤的物理性状,提高土壤的通透性,保持土壤水分;

  25. Main results were as following : First , in any fertilization rate , among three irrigations ways , soil total porosity , aeration porosity , fast-acting porosity under the drip irrigation were biggest , and those under the conventional irrigation were smallest ;

    在任一施肥水平上,三种灌溉方式中,滴灌方式下的土壤总孔隙度、通气孔隙度、速效孔隙度最大,常规灌溉方式下的最小;

  26. Raising duck or raising fish in rice field can clearly improve soil physics properties and the soil aeration . 5 . In complex ecosystem , dissolved oxygen ( D.O. ) has showed obvious diurnal change laws .

    稻田养鸭、养鱼能明显改善土壤物理性状,提高土壤的通气性。5稻-鸭-鱼复合系统中水中溶解氧有明显的日变化规律。

  27. Because of the increase of soil fertility and improvement of soil aeration , which is beneficial to absorption of N , P , K nutrient for paddy , nutrient of rice and plant body both improved in varying degree .

    由于提高了土壤肥力,改善了土壤通气性,有利于水稻对N、P、K养分的吸收,稻谷和水稻植株体养分均有不同程度的提高。