?sativa

sativa 發(fā)音

[[sə'tivə]]

英：　　美：

sativa 中文意思翻譯

sativa 常用詞組

medicago sativa ─── 苜蓿；紫花苜蓿

sativa 短語(yǔ)詞組

1、Medicago sativa ─── [網(wǎng)絡(luò )] 紫花苜蓿；紫苜蓿；牧草的紫花苜蓿

2、Lactuca sativa Bisch. ─── [醫] 萵苣(生菜)

3、Pastinaca sativa ─── [網(wǎng)絡(luò )] 歐防風(fēng)；歐洲防風(fēng)；荷蘭防風(fēng)草

4、Lactuca sativa crispa ─── [網(wǎng)絡(luò )] 萵苣萵苣

5、avena sativa ─── [機] 燕麥

6、Eruca vesicaria sativa ─── [網(wǎng)絡(luò )] 胡瓜芥末

7、Lactuca sativa longifolia ─── [網(wǎng)絡(luò )] 長(cháng)葉萵苣

8、Oryza sativa ─── [網(wǎng)絡(luò )] 稻；水稻；栽培稻

9、Lactuca sativa ─── [網(wǎng)絡(luò )] 萵苣；生菜；葉用萵苣

10、Cannabis sativa Linne ─── [醫] 大麻, 印度大麻

11、Medicago sativa L. ─── [醫] 苜蓿

12、Cannabis sativa ─── [化] 大麻

13、Eruca sativa ─── [網(wǎng)絡(luò )] 芝麻菜；蕓芥；瓢兒菜醇花生酸酯

14、Lactuca sativa capitata ─── [網(wǎng)絡(luò )] 萵苣萵苣

15、Oryza sativa L. ─── [醫] 稻

16、Avena sativa L. ─── [醫] 燕麥

17、Castanea sativa ─── [網(wǎng)絡(luò )] 歐洲栗；歐洲板栗；歐洲栗木

18、Nigella sativa ─── [網(wǎng)絡(luò )] 黑種草；栽培黑種草；黑種草油

19、Lactuca sativa asparagina ─── [網(wǎng)絡(luò )] 嫩莖萵苣；萵筍

20、Daucus carota sativa ─── [網(wǎng)絡(luò )] 野胡蘿卜

sativa 相似詞語(yǔ)短語(yǔ)

1、sative ─── 飽滿(mǎn)的

2、satara ─── 薩塔拉（印度地名）

3、sating ─── 使心滿(mǎn)意足的（sate的形容詞）

4、satin ─── n.緞子；緞子衣服；adj.光滑的；綢緞做的；似緞的；n.(Satin)人名；(法)薩坦；(俄)薩京

5、saliva ─── n.唾液；涎；n.(Saliva)人名；(俄)薩利瓦

6、satins ─── n.緞子；緞子衣服；adj.光滑的；綢緞做的；似緞的；n.(Satin)人名；(法)薩坦；(俄)薩京

7、Saiva ─── 濕婆教徒

8、datival ─── adj.與格的

9、ajiva ─── n.非命，無(wú)命

sativa 常見(jiàn)例句（雙語(yǔ)使用場(chǎng)景）

1、content of protein in bread increases with the adding in of medick sativa. ─── 素可以添加在面包中，使面包的蛋白質(zhì)含量大大提高。

2、analysis of orthogonal test, the most appropriate amount of medick sativa in bread were decided. ─── 素添加在面包中，通過(guò)正交實(shí)驗分析，確定了其最佳用量。

3、Title： Study on Root Characters of Upland Rice and Paddy Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;陸稻;根長(cháng);根基粗;葉片水勢

4、Scientific research progress both at home and abroad in Avena sativa is summarized in terms of germplasm resource, biotic and abiotic stress resistance, quality and yield. ─── 從種質(zhì)資源、抗性、品質(zhì)、產(chǎn)量等方面對國內外飼用燕麥的研究進(jìn)行了綜述，介紹了生物技術(shù)在燕麥研究中的應用。

5、Rice eating quality was one of the most important components on rice quality (Oryza sativa L. ). ─── 稻米的食味品質(zhì)是稻米品質(zhì)的重要組成部分。

6、A southwest Asian perennial herb (Medicago sativa) having compound leaves with three leaflets and clusters of usually blue-violet flowers. ─── 一種亞洲西南部多年生草本植物（苜蓿），其復葉由三小葉構成，花簇通常為藍紫色的。

7、Learn about these homeopathic products containing extract of Avena Sativa. ─── 產(chǎn)品目錄: Offers Vigorex Forte/Femme wholesale to the public.

8、Contents of endogenous GA.IAA and ABA in semidwarf rice(Oryza sativa L. ). ─── 半矮稈水稻內源GA與IAA和ABA的含量

9、Ingredients : Glycine Max, Vigna Radiata, Oryza Sativa, Coix Lacyma, Poria Cocos. ─── 成份：大豆，綠豆，水稻，薏米，茯苓。

10、On the condition of natural raining, the effects of White Clover(Trifolium), Perennial Ryegrass (Lolium perenne) and alfalfa (Medicago sativa) on soil water content in Cabernet Sauvignon vineyard were studied. ─── 在生產(chǎn)園行間播種多年生黑麥草、紫花苜蓿、白三葉草,研究其對土壤理化性狀和土壤含水量的影響。

11、Title： Molecular Cloning and Sequence Analyzing of Cytoplasmic Ribosomal Protein Gene OsRPS7 from Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;核糖體蛋白S7;基因克隆;基因結構

12、Major morphological and economical characters and some physiological and biochemical changes of head lettuce (Lactuca sativa var. capitata L.) under heat stress were studied. ─── 摘要以6個(gè)結球萵苣品種為試驗材料，從生長(cháng)發(fā)育、經(jīng)濟性狀和生理生化等方面研究耐熱性的鑒定方法。

13、Title： The Dynamic of Calcium Distribution During Megasporegenesis of Lettuce (Lactuca sativa L. ─── 關(guān)鍵詞：萵苣;大孢子;大孢子發(fā)生;鈣

14、In cotton-spring vetch (Vicia sativa) intercrop field, total 74 species of arthropods were observed, which belong to 68 species, 35 Families,10 Orders of Insecta and 6 species, 2 Orders of Arachnida,. ─── 在間作箭舌豌豆棉田內,共查得節肢動(dòng)物74 種,分屬于昆蟲(chóng)綱10 目,35 科,68 種;

15、Wang Shujie,Yan Shuzhen,Li Shifang.Callus induction and plant regeneration derived from hypocotyls of alfalfa(Medicago sativa L.)[J].Plant Protection,2005,31 (3):50-52. ─── [1]王姝杰,閆淑珍,李世訪(fǎng).紫花苜蓿下胚軸愈傷組織誘導及再生植株的研究[J].植物保護,2005,31(3):50-52.

16、Title： Molecular Marker-assisted Breeding of indica-compatible japonica Lines in Rice (Oryza sativa L. ─── 關(guān)鍵詞：粳型親秈系,恢復基因,抗白葉枯病基因,分子標記輔助選擇,基因聚合,水稻

17、At the same time, Chinese cabbage, lettuce and Lactuca sativa L were potted plant and fertilized at 1/4 the amount of the local vegetable fertilizer. ─── 按當地菜農施肥量的1/4量分期施肥，盆栽小白菜、生菜和油麥三種葉菜，并稱(chēng)取各自的經(jīng)濟產(chǎn)量。

18、Comparison of rDNA Internal Transcribed Spacer Sequences in Oryza sativa L. ─── 關(guān)鍵詞：栽培稻;核糖體;內轉錄間隔區;系統樹(shù)

19、Influence of KT-30 on the senescence process of the isolated leaf of rice, Oryza sativa L. ─── KT-30對離體水稻葉片衰老進(jìn)程的影響。

20、Study of Tissue Culture and Establishment of Asexual System of Lactuca sativa. ─── 與相似的文獻。

21、Through BLASTX, it was homological with a protein named hypothetical protein. 4、Z4 was highly similar to (98%) the nucleotide sequences of PAC clone from chromosome 1, oryza sativa genomic DNA. ─── 4、片段Z4：該片段與水稻基因組第1號染色體PAC克隆的一段序列同源性為98%，可能為新的基因片段。

22、OsPRP1, a 4?membered gene family in rice (Oryza sativa L), is restricted at least in cereal plants and encodes a novel class of proline-rich proteins (PRP). ─── OsPRP1是水稻中特有的,編碼一類(lèi)富含脯氨酸蛋白(proline-rich protein, PRP)的基因家族,該家族有4個(gè)成員。

23、Chen Shenkuan,Yao Guojun.Study on lucerne (Medicago sativa) varieties resistance to common leaf spot[J].Pratacultural Science,1994,(6):61-62. ─── [2]陳申寬,姚國君.紫花苜蓿品種(種)對褐斑病抗性的研究[J].草業(yè)科學(xué),1994,(6):61-62.

24、Title： Developmental physiology and genetic ecology of yield and quality formation in hybrid rice (Oryza sativa L. ─── 關(guān)鍵詞：雜交水稻;產(chǎn)量;品質(zhì);發(fā)育生理;遺傳生態(tài);分子栽培學(xué);籽粒灌漿

25、Rice (Oryza sativa L. ) is a model plant for study of the molecular development biology in monocots. ─── 水稻是單子葉植物發(fā)育分子生物學(xué)研究的理想模式植物。

26、The crude protein contents of Medicago sativa was increased, and the crude ash contents of Medicago sativa was remarkably affected. ─── 提高粗蛋白質(zhì)含量，顯著(zhù)影響粗灰分含量。

27、Title： QTL Analysis of Low-temperature-sensitive Pollen Sterility in Indica-japonica Hybrid Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;秈粳雜種;低溫;花粉不育;QTL定位

28、Title： Differential Expression of PTW-J, a Possible Gene Encoding High Affinity Phosphate Transporter in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;高親和力磷酸鹽轉運蛋白;表達;缺磷

29、Title： Relationship between Traits of Basal Elongating Internodes and Lodging and QTL Mapping in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;抗倒伏能力;基部節間;數量性狀位點(diǎn)

30、The characteristics related with photosynthesis were measured using anther culture-derived haploid, diploid, and tetraploid plants of 02428, a japonica rice line (Oryza sativa L.). ─── 以花培獲得的粳稻02428單倍體、二倍體和四倍體植株為材料，測定了與光合作用有關(guān)的若干性狀。

31、Effect of Different Hormones on Mesocotyl Length in Oryza sativa L. ─── 外源激素對水稻中胚軸伸長(cháng)的影響。

32、Title： Dissection of QTLs in Two Years for Important Agronomic Traits in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;重組自交系;數量性狀位點(diǎn);農藝性狀;互作

33、As a low-put economic crop, Camelina sativa has a extensive prospect for planting. ─── 作為一種低投入的經(jīng)濟作物，亞麻薺的種植在我國有著(zhù)廣闊的發(fā)展前景。

34、Title： Observation on variations of anther culture characters among rice cultuvars (Oryza sativa L. ─── 關(guān)鍵詞：水稻;花藥培養;出愈率;分化率

35、Systematic relationship between Oryza sativa and other seven rice species with AA genome were analyzed based on their crossability and F1 hybrid fertility. ─── 摘要從可交配性和F1雜種育性?xún)煞矫鎸喼拊耘嗟九cAA染色體組（以下簡(jiǎn)稱(chēng)AA組）其他7個(gè)稻種的系統關(guān)系進(jìn)行了分析。

36、Title： Ultrastructural Studies on the Developmental Process of Pollen and Anther in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;小孢子發(fā)生;花粉發(fā)育;絨氈層發(fā)育;超微結構

37、Title： Identification of Wide Compatibility of Intermediate Type Varieties and Indica-japonica DH Lines in Cultivated Rice (Oryza Sativa L. ─── 關(guān)鍵詞：水稻;廣親和性;秈粳中間型品種;秈粳交DH株系

38、The dynamical studies on biomass, quality and interspecific competition of oat (Avena sativa) and vetch(Vicia sativa) in both monoculture and mixture was conducted on the border of crop and ranch regions in north China. ─── 作者在華北農牧交錯帶對燕麥和箭管豌豆單播及混播的一年生人工草地進(jìn)行了生物量、品質(zhì)及種間競爭的動(dòng)態(tài)研究。

39、B:Me]i]otus alba +Trifo]ium repense +Eestuca arundinacea+Caragana korshinskil komar: C: Medicago sativa +. ─── B為白花草木樨（Melilotus alba）+白三葉（Trifoliumrepense）+葦狀羊茅（Festuca arundinacea）+檸條（Caragana korshinskilkomar）；

40、B.K.Gupta.et al.Chemical and mineral composition on different cutting of incerne(Medicago sativa)[J].Nutrition Abstracts and Review,1983,(3):1261. ─── 劉穎,王德利,韓士杰,等.放牧強度對羊(葦)草地植被再生性能的影響[J].草業(yè)學(xué)報,2004,13(6):39-44.

41、Genetic Analysis of an Albino Mutation by T-DNA Insertion in Oryza sativa L. ─── T-DNA插入產(chǎn)生的水稻白化苗突變的遺傳分析。

42、The dynamical studies on yield, quality of oat (Avena sativa) and vetch ( Vicia sativa ) or pea ( Pisum satium ) in both monoculture and mixture by five seeding rate and three harvest time were conducted in high cold area. ─── 對高寒地區燕麥與豌豆 (箭舌豌豆 )混播草地 5種播種比例 3個(gè)不同刈割期的產(chǎn)草量、粗蛋白質(zhì)含量及產(chǎn)量、中性洗滌纖維 (NDF)、酸性洗滌纖維 (ADF)含量動(dòng)態(tài)進(jìn)行了研究。

43、Using 180 DNA probes mapped on rice chromosomes,RPLP analysis was carried out with rice parents Gui630(O. sativa subsp. indica),02428(O. sativa subsp.japonica)and 81 double haploid plants(DH) of their hybrid. ─── 對秈稻圭630和粳稻02428及其F1通過(guò)花藥培養獲得的81個(gè)DH系進(jìn)行了RFLP分析，有28個(gè)探針揭示了DNA變異。

44、Title： Genetic analysis and mapping the shattering habit in rice (Oryza Sativa L. ─── 關(guān)鍵詞：水稻；秈粳雜交；落粒性；基因定位

45、Lactuca sativa Bisch. ─── [醫] 萵苣(生菜)

46、The influence factors and ranges of water requirements(WR),water consumptions(WC),water requirement rates(WRR),water consumption rates(WCR) and water use efficiencies(WUE) of alfalfa(Medicago sativa L.) were studied. ─── 為明確紫花苜蓿Medicago sativa的需水量、耗水量、需水強度、耗水強度和水分利用效率的影響因子和范圍,對其進(jìn)行了較為詳盡地探討。

47、Two indica rice (Oryza sativa L.) materials, Xieqingzao B (heat-sensitive) and 082 (heat-tolerant), were used to study the role of brassinolide (BR) in protection of rice seedlings from heat stress. ─── 以?xún)蓚€(gè)秈稻材料082（耐熱型）和協(xié)青早B（熱敏型）為研究對象探討高溫脅迫下油菜素內酯(BR)對水稻秧苗的保護作用。

48、Title： Chromosome Location of a Semidwarf Gene sd-tin indica Rice (O. sativa L. ─── 關(guān)鍵詞：水稻；半矮稈基因；標志基因；三體；染色體定位

49、It indicated that there was an allelopathy effect from these ten varieties of Medicago sativa to radish. ─── 同一濃度處理下，不同品種表現出很大的差異；

50、Scientifically known as Allium sativa, garlic has been famous throughout history for its ability to fight off viruses and bacteria. ─── 從科學(xué)角度，已知大蒜系蔥屬漂白亞麻纖維卷，以其具有抗病毒和細菌的能力自古傳聞。

51、Fine mapping of a gene causing hybrid pollen sterility between Yunnan weedy rice and cultivated rice (Oryza sativa L.) and phylogenetic analysis of Yunnan weedy rice. ─── 云南雜草稻不育基因精細定位，發(fā)育途徑的表型觀(guān)察分析。

52、Title： Morphological and Histological Analyses on Growth Ability of Seed-callus in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;愈傷組織增殖;組織學(xué);形態(tài)學(xué)

53、But the formation of ethylene was found to be promoted greatly.The lower concentration of TDZ inhibited organogenesis of Lactuca sativa L. which might caused by ethylene. ─── 但是TDZ又能顯著(zhù)促進(jìn)乙烯形成，較低濃度時(shí)抑制萵苣的器官發(fā)生，可能此時(shí)乙烯起著(zhù)主導作用。

54、Title： Physiological and Genetic Analysis of Lesion Resembling Disease Mutants (lrd) of Oryza sativa L. ─── 關(guān)鍵詞：水稻;類(lèi)病斑突變體;生理;遺傳;抗病性

55、Effect of doubled-CO2 the ulltrastructure of chloroplasts from Medicngo sativa and Setaria italica [J].Acta Botanica Sinica, 1996, 33(1): 72-76. ─── CO2濃度倍增對谷子和紫花苜蓿葉綠體超微結構的效應[J].植物學(xué)報,1996,33(1):72-76.

56、Vicia sativa L. ─── [醫] 大巢菜，野碗豆

57、Title： CHROMOSOMAL LOCATION OF A SEMIDWARF GENE sdnIN INDICA RICE (O. SATIVA L. ─── 關(guān)鍵詞：水稻;半矮稈基因;標志基因;三體;染色體定位

58、A novel gene, which was a homologue of Arabidopsis COI1 was isolated from rice (Oryza sativa L.) by RT-PCR and designated as OsCOI1. ─── 利用Blast檢索、EST分析和RT-PCR,在水稻中分離到一個(gè)與擬南芥COI1同源的新基因,命名為OsCOI1.

59、Title： Relationship between cooked-rice texture character and eating quality in Oryza sativa L. ─── 關(guān)鍵詞：水稻;米飯質(zhì)地;食味品質(zhì);質(zhì)地分析儀

60、To add extract of Medicago sativa and wolfberry into yoghurt,they play an important role in medicine cure and health care. ─── 將紫花苜蓿、枸杞浸提液添加到酸奶中,以起到藥療和保健作用。

61、The effects of White clover (Trifolium repens),Perennial ryegrass (Lolium perenne) and Alfalfa (Medicago sativa) on vineyard Microclimate and wine quality in Cabernet Sauvignon vineyard were studied. ─── 以釀酒葡萄赤霞珠(cabernetSauvignon)為材料,研究了行間生草覆蓋對葡萄園微氣候和葡萄酒品質(zhì)的影響。

62、To make bread good in quality,the best amount of medick sativa in bread is 2 %. ─── 在面包中添加苜蓿素的最大量為2%。

63、Title： Effect of sphingosine and the water stress on callus culture of Medicago sativa L. ─── 關(guān)鍵詞：鞘氨醇;水分脅迫;紫花苜蓿;愈傷組織;酶活性

64、Title： QTL Dissection of Plant Height Components in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;株高;數量性狀基因座位;基因定位;上位性

65、Title： Effect of Cutting on Reproductive Growth Stage,the Seed Yield and Seed Quality of Alfalfa(Medicago Sativa L. ─── 關(guān)鍵詞：刈割;紫花苜蓿;種子產(chǎn)量;產(chǎn)量構成因素;種子質(zhì)量

66、Title： QTLs Mapping and Genetic Analysis of Tiller Angle in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;分蘗角度;染色體片段置換系;數量性狀位點(diǎn);上位性

67、Title： Genetic Dissection of Grain Weight and Its Related Traits in Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;粒重;籽粒品質(zhì);數量性狀位點(diǎn);上位性;標記輔助選擇

68、Through the analysis of orthogonal test,the most appropriate amount of medick sativa in bread were decided. ─── 將苜蓿素添加在面包中,通過(guò)正交實(shí)驗分析,確定了其最佳用量。

69、Title： Study on the Ratooning Ability of Core Collection of Yunnan Rice (Oryza sativa L. ─── 關(guān)鍵詞：再生力;秈粳;水陸;粘糯;云南稻種;核心種質(zhì)

70、Karyotype Analysis of One Kind of Wild Avena sativa L. ─── 一種野生燕麥的染色體核型分析。

71、Dynamic Changes of Callose in Microsporogenesis and Microgametogenesis of Rice (Oryza sativa L. ─── 關(guān)鍵詞：水稻;胼胝質(zhì);小孢子形成;

72、Quaility and product analysis of six kinds of Medicago sativa L. ─── 六種紫花苜蓿當年產(chǎn)草量及品質(zhì)的研究分析。

73、Medicago sativa L. ─── [醫] 苜蓿

74、Sensitivity to the aqueous leaf extract of O. corymbosa differed among the nine species with T. pretense, T. repens, D. repens, F. arundinacea the most while there was little effect on M. sativa. ─── 不同植物對紅花醡漿草化感作用的敏感程度不同，白三葉、紅三葉、馬蹄金和高羊茅最為敏感，而紫花苜蓿最不敏感。

75、Title： Quantification of Saponins in 45 Different Cultivars of Alfalfa (Medicago sativa L. ─── 關(guān)鍵詞：紫花苜蓿;品種;比色法;總皂苷

76、Studies on Allelopathic Effects of the Aqueous Extracts of Roots of Different Varieties of Medicago Sativa L. ─── 不同品種紫花苜蓿根水浸提液化感作用效應的研究。

77、Oryza sativa L. ─── [醫] 稻

78、CHO M S, ZAPATA F J. Callus formation and plant regeneration in isolated pollen culture of rice (Oryza sativa L.) ev. Taipei 309 [J].Plant Science, 1988,58:239-244. ─── 姜健金成海等.水稻花藥培養研究與應用進(jìn)展[J].中國農學(xué)通報,:.

79、Effects of bone char on uptake and accumulation of heavy metals by three rice genotypes(Oryza sativa L. ─── 在溫室條件下采用土培法模擬研究了骨炭對水稻吸收積累重金屬的影響。

80、A gene homologous to the human putative tumor suppressor gene QM , designated OSQM1, was isolated from rice ( Oryza sativa L. ─── 基因組文庫中分離到一個(gè)與人類(lèi)腫瘤抑制基因QM具有同源性的基因,命名為OSQM1。

81、Title： Developmental Genetic Analysis of Brown Rice Thickness of indica Rice (Oryza sativa L. ─── 關(guān)鍵詞：糙米厚；發(fā)育遺傳；遺傳方差和條件遺傳方差；秈稻；遺傳相關(guān)

82、Avena sativa L. ─── [醫] 燕麥

83、This indicated that entropy weight-based gray systematic theory can be used in integrated evaluation of oat (Avena sativa L. ) germplasm. ─── 聚類(lèi)分析也得到相同結果，說(shuō)明基于熵權賦權法的灰色系統理論可以用于燕麥種質(zhì)資源的綜合評價(jià)。

84、Cannabis, known as marijuana in its herbal form, is a psychoactive product of the plant Cannabis sativa. ─── 大麻仁，眾所周知大麻是它的植物形式，是從大麻植物纖維的中提取的，具有精神作用的毒品。

85、Tests of acute toxicity,three terms of hereditary toxicity and feeding test for 30d were conducted to research the food safety of Camelina sativa oil. ─── 對薺藍油進(jìn)行急性毒性、三項遺傳毒性試驗和30天喂養試驗,研究薺藍油的食品安全性毒理。

86、This study was conducted to assess the levels of genetic diversity of 55 kinds of alfalfa (Medicago sativa) with different origin including the cultivar from the domestic and some line from South Australia, North America and Europe. ─── 以來(lái)自北美、歐洲、澳洲等地區和我國地方品種和育成品種等55個(gè)苜蓿(Medicago sativa)種質(zhì)為材料，對苜蓿遺傳多樣性、適應性和生產(chǎn)性能相關(guān)性狀進(jìn)行評價(jià)。

87、Mapping QTL for Biomass Yield and Its Components in Rice (Oryza sativa L. ─── 我認為這個(gè)詞可以翻譯成生物量、生物產(chǎn)量或者生物學(xué)產(chǎn)量。。。。

88、The Effect of Replenishing Soil on Frost Resistance, Drought Resistance and Yield Production of Alfalfa (Medicago sativa L.). ─── 培土對紫花苜蓿(Medicago sativa L.)抗寒性、抗旱性及產(chǎn)草量的影響