| 1. | Biological activity in a soil is influenced by soil acidity and nutrient status .
生物的活动被土壤养分含量状况所制约。 |
| 2. | The artificial improvement of drainage could soon lead to a marked loss in nutrients .
采用人工排水措施可以迅速导致养分含量显著降低。 |
| 3. | Effect of combined k - zn - mn fertilizer on the efficiency nutrient in soil
锰配施对土壤有效养分含量的影响研究 |
| 4. | Effects of zn stress on npk uptake and zn accumulation in 4 varieties of chinese cabbage
锌胁迫对大白菜养分含量及锌积累的影响 |
| 5. | There was an enrichment of different forms of nutrients in sediment
( 3 )径流液养分和沉淀泥沙养分含量产流初期达到高值，之后趋于稳定。 |
| 6. | Generally , its main approach is affecting contents of soil organic matters and nutrient
土壤侵蚀主要通过影响土壤养分含量来影响土壤生产力。 |
| 7. | Effect of continuous fertilizing for shajiang black soil on crop yield and soil nutrien content
砂姜黑土连续培肥对作物产量和土壤养分含量的影响 |
| 8. | The effect of different vegetation on soil nutrient changes in aerial seeded forest of qinling mountain
秦岭飞播林区不同植被对土壤养分含量的影响 |
| 9. | Effect of long - term fertilization on wheat growth and soil nutrition status in shajiang black soil
砂姜黑土长期定位施肥对小麦生长及土壤养分含量的影响 |
| 10. | Effects of different soil amounts on total nutrients content and nutrients uptake amounts of maize plant
不同装土量对玉米植株全量养分含量及吸收量的影响研究 |
