They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林
地、果園、耕
地、棄耕
地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土
地利用方式巖溶土壤肥力為重點，對不同土
地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質
地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣
地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣
地土壤種子庫
植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶
地區士壤資源的合理利用及結構的調控管理提供依據。
We must better understand the adaptation of plants to their environment.
我們必須更清楚
地了解
植物對環境的適應性。
In aerial parts of the plant the outer wall of the epidermis is usually covered by a waxy cuticle that prevents desiccation, protects the underlying cells from mechanical damage, and increases protection against fungi, bacteria, etc
植物
地上部分的表皮的最外層通常覆蓋一層蠟質角質層，起保護作用以防止過渡蒸騰，並使下方的細胞免於機械損傷，同時增加對真菌、細菌等的防禦能力。
The contents of three valepotriates in v. officinalis also varied significantly different areas, samples from nanchuan of chongqing showing the highest. it is also showed that the contents of three valepotriates in underground part of valerians plants are higher than that in aerial part and the contents of three valepotriates in valeriana jatamansi herb and v. officinal is herb collected in september is highest. valepotriates of valeriana jatamansi were obtained using petroleum ether, with content of valtrate, didrovaltrate and acetovaltrate between 70 % and 80 %
我們以採用rp - hplc法測定不同產
地、部位和採收期的纈草屬
植物中纈草素、二氫纈草素和乙酰纈草素的含量，結果發現纈草類生藥蜘蛛香、纈草、寬葉纈草和黑水纈草之間纈草素類成分含量差異顯著，其中以蜘蛛香含量最高，纈草次之，寬葉纈草再次，黑水纈草含量最低。
Farmers have also receives some welcome rains along the corn belt
玉米種
植地帶的農民也得到了一些另人高興的降水。
Gourmet coffee beans are carefully handpicked, processed, and sorted in the country where it has been grown
極品咖啡豆在其種
植地國家要經過仔細的手工挑選、加工處理並把它們分門別類。
The grass irrigation system means that, under the certain condition of climate, soil and planting technology, supplying water in time, watering times and hours for higher output were guaranteed
摘要牧草灌溉制度是指牧草在一定氣候、土壤和栽培技術條件下，為保證飼草料種
植地土壤水分的適時供給並獲得穩產高產所確定的灌溉定額、灌水定額、灌水次數和灌水時間。
Ground unto earth firmly anchoring soul into your form
牢固
地根
植地球，錨定靈魂進入你的形態。
Chromatographic fingerprints are used to identify the origin, species, harvesting, processing and place of cultivation of the herbal drug
色譜指紋圖chromatographic fingerprints可用來辨別中藥的原產
地品種收成期加工與種
植地。
And production rules are used to express the expert ’ s knowledge. model bases and reasoning machine are accomplished by using visual basic 6. 0 programming technology ; interface follows the windows ’ pattern. the peanut cultivation expert systems can realize functions such as simulating and predicting peanut ’ s growth and development, designing peanut cultivation
該系統可以根據花生種
植地區的氣候、土壤和生產條件，實現花生生長發育的模擬與預測、花生栽培方案的設計、花生病蟲害的診斷與防治、信息咨詢和花生知識學習等功能，並能夠通過知識庫管理和維護系統進行知識的修改、添加和刪除，實現知識的獲取和管理功能。
1996 to 2003, the global area of transgenic crops has increased 40 - fold, from 1. 7 million hectares ( mha ) in 1996 to 67. 7 mha in 2003. these were grown by 7 million farmers in 18 countries
簡報指出， 1996年至2003年，全球轉基因作物的種
植面積擴大了40倍，從1996年的170萬公頃增至2003年的6 ， 770萬公頃，種
植地區遍及18個國家， 700萬農民參加種
植。
Locate new plantings as far away as possible from fields where sclerotinia was know to be a problem in the previous four years
盡量使向日葵種
植地遠離前4年中感染過菌核病的田
地。
Amenity planting strip
美化市容種
植地帶
So that ' s why banana plantations are usually on hillsides, is it
這是為什麼香蕉種
植地在山坡。
The planting land can be distinguished easily because every lot has clear mark
基
地種
植地塊，批次有明顯標示。
Close to saint emilion and c ? tes de castillon, c ? tes de francs is one of the highest vineyard in bordeaux
弗朗山坡是接近聖愛美濃和卡斯狄倫山坡中，波爾多最高的葡萄種
植地之一。
The project reported rapid results : after only three months, the percentage of families in the program who kept gardens increased from 54 to 73, and the amount of land each family planted more than doubled
這項計劃很快就顯現出成果：僅在三個月後，計劃中擁有種
植地的家庭比例從百分之五十四增加到百分之七十三，每個家庭的種
植地面積增加一倍多。
The number, age, whereabouts and species of trees planted ; and
新種植樹木的數目、樹、種植地點及品種；及
