| 1. | Research of ecological effects on crops fertilized with sulfur
作物施硫生态效应研究 |
| 2. | On the natural rights and its ecological effects
论自然权利及其生态效应 |
| 3. | Study development of ecological effect of eucalyptus plantation
桉树人工林生态效应研究进展 |
| 4. | A simple analysis to the zoological effects of the labour lake
试析劳动湖水系的地理生态效应 |
| 5. | Physiological and ecological effects of sulfur fertilization on soybean
大豆施硫的生理生态效应 |
| 6. | Landscape ecological effects of the forest belt around xi ' an city
西安市环城绿化带的景观生态效应 |
| 7. | Experimental study on properties of a new chemical material in sand fixation
拦沙与生态效应试验研究 |
| 8. | Ecological efficiency of pear fruits bagged to main pests and diseases
套袋对梨果主要病虫的生态效应 |
| 9. | Ecological effect of root exudates
根分泌物的生态效应 |
| 10. | Study on the ecological effect in wheat field of different planting patterns
不同种植方式麦田生态效应研究 |
