土壤紧实度
- 网络Soil compaction
![土壤紧实度](../cache/1185915.jpg)
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土壤紧实度及层次对小麦生长的影响
The wheat growth affected by the soil compaction and layers
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土壤紧实度对棉花吸肥的影响
Effect of soil compaction on nutrient absorption by cotton
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采用日产深松机深松1~4次能有效打破0~45cm土层内的紧实层或障碍层,减轻土壤紧实度,提高土壤渗漏速率。
By the deep digging machine , the compact layer or obstacle horizon in the soil profile could be broken so that the soil compactness was decreased and the percolation rate was raised .
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土壤紧实度与土块分配对水稻生长的影响及耕作方法的调节
The effect of soil compaction ane clod distribution on the growth of rice
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降低土壤紧实度,增大土壤渗透性。
Reduce soil compaction , increase soil permeability .
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不同耕法对土壤紧实度和小麦根系生长的影响
Effect of different tillage methods on soil compactness and growth of wheat root system
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土壤紧实度对楸子幼苗根系生长及活力的影响
The Effect of Soil Compaction on Root Growth and Root Activity of Malus prunifolia Seedlings
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土壤紧实度对甜茶幼苗光合参数和水分利用率的影响
Effects of Soil Compaction on Photosynthetic Parameters and Water Use Efficiency of Malus hupehensis Seedling
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土壤紧实度对温室番茄生长发育、产量及品质的影响
Effect of soil compaction on tomato growth , development , yield and quality in solar greenhouse
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结果表明:当土壤紧实度增大时,黄瓜根系重量减小,活力下降。
Responses of root activity and leaf photosynthesis to soil compactness stress were studied in cucumber plants grown in pots .
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关中地区耕作方法与土壤紧实度时空变异及其效应分析
Spatial-temporal variability of soil hardness and effect of soil hardness on other soil properties in rotary tillage in Guanzhong farmland
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农田土壤紧实度和容重不仅在水平方向上存在着中等空间变异强度,同时在垂直方向上也存在巨大变异性。
The soil compaction and soil bulk density not only had a moderate variation level in the horizontal direction but also had a great variation level .
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坪床土壤紧实度随着践踏强度的增加呈递增趋势,随践踏时间的持续而升高,但没有表现出显著差异。
With the increase of the traffic intensity and the duration of traffic , the soil compaction of flat bed was increased , but had no significant difference .
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结果表明,随着土壤紧实度提高,3个品种的分蘖成穗率均显著降低,从而导致单位面积穗数和籽粒产量降低。
The experimental results indicated that fertile tiller percentage of all cultivars decreased significantly with soil compaction leading to remarkable decline in spike number and grain yield per unit area .
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结果表明:林分上层高和平均高与立地腐殖质层厚度、坡位(由山顶到山脚)呈正相关,与土壤紧实度和石砾含量呈负相关。
The results showed that the top height and mean height of the plantation increased as the increasing of slope location ( from mountaintop to the valley ) and the thickness of humus-layer with linear function .
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对多功能集材机集材作业成本进行了估算,分析了多功能集材机集材作业对土壤紧实度、对土壤呼吸、对土壤理化性质的影响以及对保留木的损伤情况。
Operating costs of the multifunction skidding machine are estimated and the effects of skidding operation on soil compaction , soil respiration , soil physical and chemical properties as well as the residual tree damage are analyzed .
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充填物质不同,对土壤紧实度具有一定的影响,煤矸石比粉煤灰有利于改善土壤压实度,地块8(充填粉煤灰)通体紧实度都很大,严重影响作物的生长。
Different filling materials have some influence to soil compaction , Gangue can help to improve soil compaction than coal fly ash , the compaction of block 8 is big in the whole body , which seriously affecting crop growth .
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施用蘑菇废料表层土壤的紧实度、容重较低,随着施用时间加长,土壤表层的紧实度逐步增加。
Surface soil compaction and bulk density became lower with mushroom reclamation , but gradually increased along with the application time .
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结果表明复垦土壤表层紧实度以复垦1年的最大,随着复垦年限增加逐渐减少。
The results showed that in the first year after reclamation , compaction of surface soil reached to the maximum , but decreased gradually .
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刚施完蘑菇废料表层土壤的紧实度较低,由于蘑菇废料中有机质的胶结作用,随着施用废料时间的加长,土壤表层的紧实度逐步增加,更加有利于作物的生长。
The compaction of surface soil in block which was just finished mushroom is small , due to cementation of organic matter in mushrooms , and with longer time by using mushroom , the compaction of soil surface gradually increased , which is better to crop growth .
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相关分析表明,土壤容重和紧实度与冬小麦根系干重和根长呈负相关。
The correlation showed that total dry root weight and total root length and soil bulk density and soil strength were significantly positive correlations . 5 .
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土壤含水量和土壤紧实度对土壤圆锥指数值影响的试验研究
Test on Effect of Soil Moisture and Density on Soil Cone Indexes
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用容重分别为1.2、1.4和1.6g/cm3的土壤进行盆栽试验,研究了土壤紧实度对黄瓜生长、产量及养分吸收的影响。
A pot culture experiment was conducted to investigate the effects of soil with different bulk densities ( 1.2 、 1.4 and 1.6 g / cm ~ 3 ) on the growth , yield and nutrient uptake of cucumber plants .
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南岳森林土壤的研究&Ⅰ.基本特点和土壤紧实度
A study of forest soil in Nanyue - i. basic characteristics and soil compactness
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不同密度柠条对土壤理化特性的影响:2490丛/hm~2柠条草地土壤的紧实度和2.0~0.2mm粗砂粒含最低,0.2~0.02mm的细砂粒含量最高,1665丛/hm~2次之。
Intermedia on soil physical and chemical character : the soil tight degree and the content of 2.0-0.2 mm Sand granule of C. intermedia grassland of 2490 clusters / hm2 were the lowest and its content of 0.2-0.02 silver sand was the highest , and C.
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各土壤条件对马尾松高生长相关程度的大小顺序为:母岩(母质)>海拔>土壤质地>土壤紧实度>土壤有机质>土壤全氮>土壤速效磷>土壤速效钾>土壤碱解氮。
The effect of soil factors on the height growth of P.massoniana was : parent rock > elevation > soil texture > soil compaction > soil organic matter > total nitrogen of soil > available phosphate of soil > quick-acting potassium of soil > hydrolyzablc nitrogen of soil .
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土壤颗粒组成状况显著地影响土壤的速效磷、速效钾、浸水容重、吸湿率、烧失率、pH值等,对土壤紧实度、有机质含量也有一定的影响。
The forest soils particle size composition notability affected validity phosphorous , validity potassium , soggy density , hygroscopic water , ignition loss and pH. Influence also takes place in soil compactness and organism in some extent .