土壤紧实度

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

土壤紧实度对棉花吸肥的影响

Effect of soil compaction on nutrient absorption by cotton

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 .

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

降低土壤紧实度，增大土壤渗透性。

Reduce soil compaction , increase soil permeability .

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

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

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

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

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 .

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

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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

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 .

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

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.

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 .

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 .