The effects of cultivated densities of host plant on the development of arbuscular mycorrhizal fungi

So the most important methods are to reduce the sloping cultivated land and to plant forest and grass.

改善这种局面的主要方式就是坡耕地退耕、大力种植林草。

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According to the supply and demand of land resources, the author suggested that the government should develop suburban agriculture, reduce cultivated land to plant forest and propel the industrialization of land arrangement, etc.

针对土地资源的供需形势，提出了发展城郊型农业、退耕还林、推进土地整理产业化等有关对策。

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Reducing Cultivated Land to Plant Forest and Grass is Key Measure for Realizing Graceful Landscape Taking Reducing Cultivated Land to Plant Forest and Grass in North Shaanxi as an Example

退耕还林还草是实现山川秀美的关键&以陕北退耕还林还草为例

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And then the Research uses the extension decision theory to analysis the contradiction between the present and ideal ecological condition on reducing cultivated land to plant forest and grass.

所以针对陕北地区生态现状与理想生态环境之间矛盾进行了分析，得出这是一个不相容问题，并应用可拓学解决不相容问题的理论对其进行了可拓决策分析。

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Comparative Research on Conditions of Reducing Cultivated Land to Plant Forest of Chongqing City

重庆市退耕还林条件的区域比较研究

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Method To collect the cultivated whole plant of Swertia franchetiana H.Smith, the seeds matured ago and later, from several different districts in Qinghai Province, and analyzed the contents of mineral elements, that is, potassium, sodium, calcium, magnesium by atomic absorption spectrometry.

方法分别采集种子采收前和采收后的种植青海抱茎獐牙菜全植株，采用原子吸收光谱仪分析测试其钾、钠、钙、镁等矿物质元素含量。

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A widely cultivated house plant, believed to be a hybrid between Citrus limon and C.reticulata, resembling a miniature orange tree and having lemon-shaped, insipid fruit.

一种广泛栽培的室内盆栽植物，被认为是柠檬和柑桔的混种，类似微型桔树且长有柠檬状淡而无味的水果。

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Widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground.

生于热带或温带的美洲植物，现被广泛种植；开黄花，其茎向土壤内生长，果实在地下长成熟。

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In this paper, the authors entirely investigated the wild and cultivated medicinal plant in Fangcheng county in order to well empolder resources of medicinal plants in this district.

为开发方城县药用植物资源，对该县境内的野生和人工栽培药用植物进行了全面调查。

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Widely cultivated tropical plant of India having yellow flowers and a large aromatic deep yellow rhizome; source of a condiment and a yellow dye.

广泛种植的印度热带植物，花黄色，有巨大芳香的深黄色根茎；辛辣调味品和黄色燃料的原料。

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The present paper deals with the growth of wild and cultivated medicinal plant Gynostemma pentaphyllum with an emphasis on its ecological habit and biological characteristics.

本文研完了药用植物绞股蓝在野生环境和栽培条件下的生长状况，探讨其生态习性和生物学特性。

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Yunnan is rich in natural crop germplasm resources. There are more than 500 species of cultivated plant grown in Yunnan province, 10? 819 accessions of them have been collated in Chinese Crop Germplasm Resources Information System, account for 5.65 percent of the national resources.

云南作物遗传资源十分丰富，主要植物有500余种，已整理于中国作物种质资源信息系统的有10819份，占全国的565%。

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The action spectrum of photosynthesis of cucumber was studied with reflection spectrum by measuring its leaf. fluorescent auxiliary and colorant were dispersed into high-molecular resin in order to simulate action spectrum of cultivated plant.

通过叶片的反射光谱测量来研究黄瓜的光合作用之作用光谱，采用在高分子树脂中分散进荧光助剂、着色剂来模拟栽培作物的作用光谱。

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Thirty seven wild plants as field food for Asian Elephants in Simao and five cultivated plant species as food for captive elephants in Beijing Zoo are collected and analyzed for their main nutritional components.

分析了采自云南思茅野生亚洲象在野外主要取食的37种野生植物材料，取自北京动物园象馆圈养亚洲象的5种植物饲料样品及1种颗粒饲料样品。

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Judging from the senegenin contents of "skin areas" and root, the quality of wild plant was higher than that of the cultivated plant as a whole.

从全根和皮部皂苷元百分含量比较分析，野生品质总体要优于栽培植株。

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Identify ng of cultivated plant nematodes in Hubei Province

湖北省栽培植物线虫种类的鉴定

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The generation of deep seated gas relate to the vertical zonation of hydrocarbon generation in earth crust.

深层气的形成与地壳烃类形成的垂直分带性有关。

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There was the intrusion of basic cluster expressed the cracking of continental earth crust in the later period.

晚期则有代表大陆地壳裂解的基性岩墙群侵入。

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Structural movement of earth crust from north to south cause the riverway move from north to south.

自北向南的构造掀斜运动造成了河道自北向南移的特点。

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Vertical movement velocity of modern earth crust in Tianjin area and it's effect on environment was researched chiefly.

本文主要研究天津地区现代地壳垂直运动速度及其对环境的影响。

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