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Peaty soil contained high content of organic matter, but it was too aci dic and infertile with respect to available nutrients and therefore was hard to be directly utilized. 泥炭土有较高的有机质含量，但土壤过酸，速效养分含量过低，难以直接利用。
The A horizon is characterized by a very dark colour, a very high content of organic matter, a very large water holding capacity, and a particularly low bulk density. A层色暗、有机质含量和持水量都很高、容重特低。
The intensity of sludge and mud is lower,because of their large content of organic matter,but the intensity of grouting soil formed by silt and clay is larger. 地基土的类别对水泥土强度的影响较大 ,淤泥及淤泥质土由于富含有机质 ,强度较低 ,粉质粘土、粘土形成的水泥土强度较高
The soil of seasonal rain forest was skeleton lateritic red earth, with desirable water and heat, and abundant content of organic matter, and high cation exchange capacity. 季节雨林土壤为粗骨性赤红壤,水热条件好,有机质等养分含量丰富,阳离子交换量较高。
The statistic results showed that the content of organic matter was raked as cultivated land>woodland>garden, and paddy soil>red soil> purple soil> skel soil. 结果表明：在有机质含量的分布上，耕地＞林地＞园地，水稻土＞红壤＞紫色土＞粗骨土；
In a 0~50cm depth,the content of total N(y) has obvious linear relation with the content of organic matter(x)(y=0.0278+0.05x,R2=0.9524). In a 50~170 cm depth,it shows exponential relation(y=0.0659e0.3126x,R2=0.904). 在0~50 cm土层;塔河下游土壤全氮(y)与有机质(x)之间的最佳模型为线性模型;方程为y=0.;0278+0
In addition,AE increased markedly with increment of organic matter content of food(POM/TPM),which could be described as the logarithmic equation AE=85.112 0+23.337 5 lnX(R2=0.958,P<0.05). 河蚬的同化率随着饵料中有机物含量(POM/TPM)的增加而增加;两者间的回归方程为:AE=85.;112 0+23
The results showed that chlorpyrifos could remarkably inhibit the activity of soil sucrase at high content of organic matter in soil.Enzyme activity has also been inhibited at acid and neutral soil. 结果表明，有机质含量高的土壤，毒死蜱对土壤蔗糖酶具有明显的抑制作用，在酸性和中性条件下，酶活性的抑制幅度较大，在试验所设的培养时间内，毒死蜱对蔗糖酶活性的抑制总的变化趋势呈现先激活后抑制。
After planting alfalfa in the salinized,the content of organic matter in the soil were continuously increased，while the content of salt ions in the soil were continuously decreased. 盐渍地种植苜蓿后，土壤有机质含量不断增加，而土壤盐离子含量不断下降。
Add plenty of organic matter to improve the soil. 施用大量的有机肥料以改良土壤。
Printing and dyeing wastewater is a kind of wastewater with high content of organic matters, high colority and poor biochemical performance and it is hard to be degraded. 印染废水是一种有机物含量高、色度深、生化性差、难降解的工业生产废水。
The high-grade forages were evaluated according to the contents of crude protein and crude fat in dry matter, digestibility of organic matter and their resistance. 根据粗蛋白和粗脂肪在干物质中的含量、有机物质消化率、抗性等方面的指标，对安徽现有重要优质牧草作了初步评述。
Results showed that the soil quality was poor, with low content of organic matters, indeficient in potassium, lightly deficient in nitrogen and highly deficient in phosphorous. 结果表明，重庆主城区市街绿地土壤总体质量不高，具体表现为有机质含量普遍偏低，土壤不缺钾，轻度缺氮，磷素极缺；
Printing and dyeing wastewater is a kind of wastewater with high content of organic matters, high colority and poor biochemical performance and is hard to degrade. 印染废水是一种有机物含量高,色度高,生化性能差的难降解废水。
The results showed that the contents of organic matter,total N, total P, total K and alkali-hydrolysable N, available P, available K, pH value were obviously high. 结果表明，番茄保护地土壤的有机质、全氮、全磷、全钾、碱解氮、速效磷、速效钾均处于较高的养分水平。
The quantities distribution of rhizosphere microorganisms were positively correlated with the soil enzymic activities, contents of organic matter and soil nutrients. 微生物的数量分布与土壤酶活性、有机质含量、土壤养分状况等强弱呈正相关关系。
The content of organic matters, available phosphor, available potassium and alkali-hydrolyzable nitrogen in the capsicum rhizosphere soil was less than those of capsicum non-rhizosphere. 各处理根际土壤有机质、有效磷、有效钾含量均低于非根际土壤，但碱解氮含量表现为根际土壤高于非根际土壤。
Results show that the contents of Ca, Mg and B in leaves of lychee, the N/K ratio in pericarp, and the N/K ratio, contents of organic matter and exchangable Ca in soil influence the cracking rate. 初步探明糯米糍荔枝叶片中的钙、镁、硼含量，果皮中的氮钾比，以及土壤中的N/K比、有机质、交换性钙含量影响其裂果率。
The contents of organic matters, TN and TP in sediment layer from 0-20cm also decreased after 2 months of harvested, but NH/-N and NO3--N increased due to the amelioration of transperancy and aeration, which accelerated ammonification and nitrification. 2个月以后，收割区底泥0-20cm深度范围内有摘要机质、TN、TP含量明显下降，收割改善了湿地的通风、透气条件，促进了氨化和硝化作用的发生，使底泥中NH扩一N和N岛一N含量上升。
Additions of organic matter to soil hasten calcium losses. 土壤增施有机质会促进钙的损失。