| 1. | Effect of water quality variety to drinking water 地表水水质变化对饮用水的影响 |
| 2. | Therefore , rice farmers grow only high quality varieties which have similar desirable agronomic characters to those of the indica - japonica cross varieties 因此,稻农只种具有与籼-粳杂交品种农学特性相同的优质品种。 |
| 3. | The high yielding varieties gave higher yields at increased nitrogen levels but the rice quality was not comparable to that of some high quality varieties 氮水平提高时高产品种产量增加,但稻米品质比不上一些优质品种。 |
| 4. | Shading treatment increase chalky rice rate , chalky area and chalky degree on which curved panicle types and high quality varieties were apparent in chalky quality 在营养品质上,遮光使各类型品种的蛋白质含量增加,且直穗品种增加的幅度较大,使直链淀粉的含量下降,且直穗品种降低得较明显。 |
| 5. | The measure to ability of enterprise depends on the current assert and the level of technology and the future development potential that measured by the general quality varieties method 企业能力的度量从现有的资产和技能,未来的发展潜力两方面进行。未来的发展潜力使用一般定性变量的方法来确定。 |
| 6. | 22 varieties that breed in different ages and foreign good quality varieties were used to do varietal comparative trial of randomized blocks and to analysice 11 cooking and eating quality properties and taste value of used rice varieties 选用22个品种,进行了随机区组的品种比较试验,并分析了供试品种的11项蒸煮食味品质特性及味度值。 |
| 7. | The technologies adopted in the integrated system included : the maintenance of uniform seeds , the recommendation of higher quality varieties , the improvement of the irrigation system and fertilizer application methods , the establishment of a rice nursery center to provide rice seedlings for transplanting at the appropriate time , the use of herbicides , fungicides and insecticides to control weeds , diseases and insects , and the implementation of mechanization to reduce production costs 综合性措施包括:保存种子均一不混杂、推荐优质品种、改善灌溉系统、施肥方法合理、设置水稻育苗中心在插秧季节及时提供稻秧、施用除草剂、杀虫剂、农药、采用机械操作以降低生产成本。 |