| 1. | Safety mining technology without moving villages under loessial cave - houses in midwest of china 我国中西部黄土窑洞下不迁村安全开采技术 |
| 2. | Artificial robinia peseudoacacia growth and soil moisture variation in loessial hilly - gully region 黄土丘陵区刺槐生长及林地土壤水分动态规律研究 |
| 3. | Experimental study on upslope runoff effects on ephemeral gully erosion processes at loessial hillslope 黄土坡面汇流汇沙对浅沟侵蚀影响的试验研究 |
| 4. | Variation and effective utilization of soil water in longxi loessial tableland gansu province 甘肃陇西黄土高原旱作区土壤水分变化规律及有效利用程度研究 |
| 5. | “ passion of loessial ground ” was joined the 8th domestic exhibition and got the bronze award 1994年以表现西部山川的《情系黄土地》参加全国八届美展,并获铜奖。 |
| 6. | The increasing of water transmetting rate in cultivated loessial soil was larger than that in lou soil 在相同的土壤含水量条件下,增加温度可提高土壤非饱和导水率,其导水率温度效应值?土> ,黄绵土。 |
| 7. | Under the same soil moisture suction , water holding quantity in soils from high to low in turn was lou soil , hei - lu soil , loessial soil and aeolian - sandy soil 土壤水分动态变化过程(干湿交替次数)和变化强度(温度变化)对黄土高原地区四种土壤钾的有效性有较大影响。 |
| 8. | Abstract : the environmental characteristic in the loessial plateau is analyzed in the article . as a result , the countermeasures for building chinese eco - agriculture to conserve water and soil in the loessial plateau are put forward 文摘:对黄土高原生态环境特征进行了分析,并提出了黄土高原建设水土保持型生态农业对策。 |
| 9. | Under applying k 200mg / kg , k fixation capacity of four soils strengthened with drying and wetting cycle and temperature increasing , so , the availability weakened . in general , capacities of fixing potassium of soils in turns were : heir lu soil > lou soil > loessial soil > aeolian sandy soil 在施钾量为200mg kg的情况下,干湿交替对四种土壤钾的有效性影响程度由大到小依次为:土娄土、黑垆土、黄绵土、风沙土。 |