Crop rotation, livestock versus cereals, or indeed the whole matter of the tax.

轮作、畜牧还是种植谷物？还有税务的问题。

Crop rotation is one of the oldest and most effective soil fertility control strategies.

作物轮作是调节土壤肥力的最古老和最有效的方式之一。

I'm currently funding some research there in crop rotation and soil science, ” he says matter-of-factly.

我目前正在资助一些生态种植，和土壤科学的研究项目。”他实事求是地说道。

Instead, organic farmers use more traditional ways of producing food, like crop rotation, and use organic fertilizers such as compost or manure.

代替，有机农民使用更传统的生产方式，像轮作一样并使用有机肥料，如堆肥或肥料。

For example, crop rotation can preserve the good qualities of soils.

有机农业有许多优点。例如，轮作可以保持土壤的良好品质。

Of course, many organic farming practices like crop rotations and mixed planting as opposed to using mono-cultures are better for the soil and the environment.

当然，许多有机农业的实践，如作物轮作和采取混合种植而不是单一培养，对土壤和环境更好。

Organic farming, crop rotation, and agroforestry are examples of approaches that prioritize both environmental protection and food security.

有机农业、作物轮作和农林业是优先考虑环境保护和粮食安全的方法的例子。

Farmers can learn about improved seeds and fertilizer, get educated about techniques like crop rotation, follow the daily weather report, and track market prices — all via text message.

农民仅靠短信就可以了解改良种子和肥料的相关信息，学习轮作等技术，关注每天的天气预报，跟踪市场价格。

And it sounds a bit academic or maybe a little far out there, but really when you get down to it, some of the practices are simple as crop rotation, live root farming, low-till, no-till.

这听起来有点学术，或者有点离谱，但当你真正接触到它时，有些做法很简单，比如轮作，活根耕作，低耕，免耕。

Some scientists even suggest that the effect was so great on the Native American population, with a death toll estimated at 56 million, that the climate moved into a cooling cycle due to a lack of crop rotation.

一些科学家甚至认为，这些疾病对美洲原住民的影响是如此之大，估计死亡人数达 5600 万，以至于由于缺乏作物轮作，气候进入了降温周期。