grassland soil的例句大全

The objective of this study was to examine the net nitrogen mineralization rate of three different types of temperate grassland soil using the resin-core technique and to evaluate the application of the resin core incubation technique in temperate grassland.

该文采用树脂芯方法测定了内蒙古锡林河流域不同温带草原土壤在雨季期间的净氮矿化率，对树脂芯方法在温带草原的应用效果进行了评价。

Influence of grazing on grassland ecosystem& i. influence of grazing on the grassland soil

放牧对草原生态系统的影响&Ⅰ.放牧对草原土壤的影响

the changes of grassland soil nutrition at different degradation subalpine meadow of north-west in sichuan

川西北亚高山草地不同退化梯度草地土壤养分变化

Resin-core incubation technique causes little disturbance to the grassland soil and is a good method to study the net N mineralization of the temperate grassland in field.

树脂芯方法对实验土壤干扰较小，是田间条件下研究温带草原土壤净氮矿化的有效方法。

Cycling of nitrogen, phosphorus, potassium, calcium and magnesium in grassland soil-vegetation systems

草原生态系统土壤-植被组分中氮、磷、钾、钙和镁的循环

Chestnut soil in Xilin river basin has the property of typical grassland soil.

锡林河流域栗钙土具有典型的草原土壤特征.

Impact of enclosure on community characters of sowed Elymus nutans grassland in "black soil Land" Effects of enclosing spring-autumn grassland on aboveground biomass at Zhaosu horse ranch

封育对黑土滩垂穗披碱草栽培草地群落结构和特征的影响围栏封育对昭苏马场春秋草地地上植物量的影响

Studies on Effect of Fencing on Soil Water of Degenerated Grassland

围栏禁牧对退化草原土壤水分的影响研究

Study on the relationship between edaphon amount and distributing type of vegetation and soil in desert grassland

荒漠草原土壤微生物数量与土壤及植被分布类型的关系

Meanwhile using artificial soil technology we can renew and improve the quality of our existing grassland and will build new and high quality rangeland and popularize good milch cow.

应用人造土壤技术，在恢复与提高已有草场质量的同时，还要新建一批高质量的牧场，我们再推广良种奶牛。

Results show that the differences of average soil moisture in the same layers between grassland and cropland are significant at the 0.01 level, but they have the same variable ( extent) in profile and slope length direction, respectively.

结果表明：草地和农地的土壤含水率均值在同一土层深度下差异极显著，但二者在垂直方向、坡长方向的变异程度均为中等变异程度；

The total capacity of soil and water conservation of Poa pratensis artificial grassland was increased and the soil physical characteristic was improved as well;

草地早熟禾人工草地土壤总体含水能力增强，物理性状改善；

Study on vegetation rebuilding of "black soil type" degraded grassland with Poa pratensis in the riparian areas of rivers

利用草地早熟禾改建江河源区黑土型退化草地的研究

The advance and prospect of soil seed bank in the alpine grassland

高寒草地土壤种子库研究进展及展望

Impact of planting density of Caragana intermedia on soil moisture in the restoration of degraded grassland

不同柠条密度在退化草地恢复过程中对土壤水分的影响

We will implement major ecological projects to return grazing land to grassland, protect natural forests, prevent and control sandstorms, conserve water and soil, prevent and reverse the expansion of stony deserts, and recover wetlands.

实施退牧还草、天然林保护、防沙治沙、水土保持、石漠化治理、湿地恢复等重大生态工程。

Soil respiration, carbon balance and carbon storage of sandy grassland under post-grazing natural restoration

不同强度放牧后自然恢复的沙质草地土壤呼吸、碳平衡与碳储量

Inorganic Soil Phosphorus Transformation and Its Effect on Available Phosphorus in Soda-saline Soil in Grassland of Western Heilongjiang Province

黑龙江省西部草地苏打盐渍土无机磷的转化及其对有效磷的影响

By influencing the community structure, plant diversity and soil structure, the pika restrain artificial grassland stability and sustainable development.

高原鼠兔通过对人工草地种群特征、物种多样性、土壤结构等方面的影响，来制约人工群落的稳定性与可持续发展。

Soil erosion, degradation of grassland, insect and rodent destruction, fossicking and excessive hunting were the primary factors which affected on the changes of the ungulate amount in Yanchiwan Natural Reserve.

水土流失、草场退化、虫鼠害猖獗、淘金与乱捕滥猎等是盐池湾自然保护区有蹄类动物数量变化的主要原因。