查询词典 crop rotation

Proper rotation and use of disease-resistant varieties will help, but sooner or later the old garden spot becomes so full of various disease spores and nematodes that you cannot grow a good crop of many vegetables without use of special soil fumigants.

适当的轮换和使用抗病品种会有所帮助，但迟早旧花园现场变得如此充满各种疾病孢子和线虫，你不能生长良好的作物，许多蔬菜未经使用特殊的土壤熏蒸。

Annual rotation of a winter crop with the summer rice is a common agricultural practice in Chekiang province.

在水稻与紫云英轮作的土埌中，直徑为1—5毫米的团粒含量有显著的增加。

Soil acidification, as influenced by N-fertilizer, stubble management and crop rotations, was investigated using soil samples from a long-term rotation trial at Tarlee, South Australia.

用南澳大利亚Tarlee地区一个长期田间试验的土壤样品研究了轮作措施、氮肥施用和残茬管理对土壤酸化的影响。

In order to promote the application of organic manure and chemical fertilizer in the rotation of Flue-cured tobacco rationally, the effect of different organic manure (crop straw, oil cake, fully-fermented pig manure) applied in preceding crops on availability of nitrogen fertilizer was studied by the methods of pot and micro plot experiment in field, using the Isotope 15N trace technique.

为进一步促进烤烟轮作周期内有机肥和氮肥的合理施用，采用田间微区试验和田间小区试验相结合的方法，应用稳定性同位素15N示踪技术，研究了前作施用有机肥对烤烟氮肥效应的影响。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新