subtropical forest zones

Clinical study on human plague epidemics occurred in subtropics zone(report of 34 cases);

亚热带地区鼠疫病例的临床分析

Lawn Used by Cynodon Dactylon L.Pers Construction Techniques in Subtropics Area;

亚热带地区狗牙根草坪建植技术

Biomass Dynamics of Mountain Region Perennial Ryegrass/White Clover Mixed Pasture in Subtropics;

亚热带山地多年生黑麦草与白三叶混播草地生物量动态研究

The flow stress of carbon steel Cf53 at different T, ε,ε, in the temperature of semi-hot forging was measured by a u- niaxial compression experiment.

利用等温压缩实验,研究了Cf53钢在亚热温度区间内的流变应力变化规律,探讨了流变应力的变化机理,回归得到了流变应力模型,为亚热成形工艺研究提供了可靠的参考依据。

The application of fly ash in the engineering in subtropical zone;

粉煤灰在亚热带地区工程中的应用

Effects of different plantations on the activity of soil enzymes and their kinetic characteristics in subtropical zone.;

亚热带不同人工林对土壤酶活性及其动力学特征的影响

Some of these hybrids reacted slowly to the temperature and light in subtropical zone,and showed good adaptability and high yield.

试验研究了“四单”系列玉米品种南移时的温光反应表现 ,发现四单 1 1 0、四单 6 8、四单 1 32等一些温光迟钝型品种在贵州亚热带生态条件下表现出较好的适应性、丰产

Decomposition dynamics and nutrient release of litters for four artificial forests in the red soil and hilly region of subtropical China;

亚热带红壤丘陵区四种人工林凋落物分解动态及养分释放

The carbon storage of the subtropical forest vegetation in central Jiangxi Province;

赣中亚热带森林植被碳储量

Study on Subtropical Maize Germplasms Introduced from Cimmyt;

CIMMYT亚热带玉米种质的引进试验

Under the natural conditions, the central subtropical zone of China is impossible to be desertified.

我国中亚热带在自然条件下不会荒漠化。

Spatial variability of soil nutrition in the typical landscape unit of red soil hilly in subtropical region;

亚热带红壤丘陵区典型景观单元土壤养分的空间变异

Reestablishment of indigenous vascular diversity under fallow blanks of clear cutting Chinese fir plantations in the subtropical region of China.;

该文比较分析了亚热带湖南会同林区,杉木采伐迹地撂荒10年而成的次生常绿阔叶林、杉木人工林、老龄次生常绿阔叶林,3个演替阶段的维管植物多样性差别。

Biogeochimical characteristics of elements in soil-plant system in tropical and subtropical typical karst area in Guangxi;

广西热带亚热带典型森林岩溶区土壤-植物系统元素分布特征

The research progress on the carbon dynamics and adsorption in subtropic forest soil;

亚热带山地土壤碳动态与吸存研究进展

Analysis on ecological properties and ornamental effect of 10 Iris species at subtropical areas in China demon- strated that Iris could be divided into two functional types: winter & spring, summer.

分析研究了适合亚热带地区的10种鸢尾属观赏地被植物的生态特性与景观效果,结果表明,在中国亚热带地区,鸢尾属种类可划分为冬春功能群和夏季功能群两大类,其中鸢尾、蝴蝶花和德国鸢尾适合春季观赏,其余种类适合在春夏观赏;在春季,溪荪的光合速率最高,德国鸢尾和黄菖蒲次之,蓝蝴蝶花和白蝴蝶花最低;蒸腾速率的顺序也为溪荪最高,蓝蝴蝶花和白蝴蝶花最低;德国鸢尾由于相对较高的光合速率和相对较低的蒸腾速率,水分利用效率最高,花菖蒲则因相对较高的蒸腾速率和相对较低的光合速率,水分利用效率最低。

Soil microelements under different vegetation restoration patterns in yellow soil slope region of mid-subtropics.;

不同植被恢复模式下中亚热带黄壤坡地土壤微量元素效应

Aggradation Red Earth Sediments in Mid-subtropics of China and Their Recorded Environmental Changes during Quaternary;

中亚热带加积型红土及其所记录的第四纪环境变化探讨

Based on the grain-size analysis of five representative sections from the mid-subtropics,deposit-environment of the red earth is discussed in this paper.

中亚热带5个红土沉积剖面的粒度组成分析结果表明:(1)5个红土沉积剖面的粒度组成表现出较好的一致性,粉砂(4~63μm)为优势粒组,其含量的平均值为48。

Introduction and selection experiment of alfalfa in subtropical area of Liangshan;

凉山亚热带区紫花苜蓿引种筛选试验