| 1. | Plastics - mulching thermoplastic films for use in agriculture and horticulture 塑料.农业和园艺用热塑性塑料薄膜覆盖物 |
| 2. | Plastics - mulching thermoplastic films for use in agriculture and horticulture ; german version en 13655 : 2002 塑料.农业和园艺用热塑性塑料薄膜覆盖物 |
| 3. | Effects of plastic mulch on early and total yields of watermelon and muskmelon are presented ( table 2 ) 表1阐明了塑料薄膜覆盖对西瓜和甜瓜的早期产量和总产量的影响。 |
| 4. | Bare soil is protected from the impact of rainfall which can cause surface soil crusting , compaction , and erosion 塑料薄膜覆盖使裸土免受降雨引起的表土结壳、压实和侵蚀。 |
| 5. | Plastic mulch increases soil temperature in the bed which promotes faster crop development and earlier yields 塑料薄膜覆盖提高苗床的土壤温度,促进作物较快发育并提早成熟。 |
| 6. | Production systems utilizing plastic mulch involve additional input costs over traditional non - plastic systems 应用塑料薄膜覆盖的生产体系要比传统非塑料薄膜覆盖体系多投入资金。 |
| 7. | Black and white - on - black mulches greatly reduce light penetration , thereby preventing most weed growth 黑色和黑白相间的塑料薄膜覆盖可以显著减少光的入射,从而防止大多数杂草的滋生。 |
| 8. | Although total yields of both crops benefited from mulch , the most dramatic benefit was because of the early harvest 虽然塑料薄膜覆盖对这两种水果的总产量有好处,但最明显的收益是由于早期产量的增加。 |
| 9. | Plastic mulches create a barrier preventing fumigant gases from escaping to the atmosphere , thereby increasing their effectiveness 塑料薄膜覆盖可以形成防止烟熏气体逸散到大气的屏障,所以提高烟熏气体的杀虫效果。 |
| 10. | Although mulch is used primarily for vegetable production in the united states , it is a viable concept for any crop where profitability can be demonstrated 在美国,虽然塑料薄膜覆盖主要用于蔬菜生产,但对任何可以获得效益的作物都可行。 |