A green manure is a crop grown mainly to improve soil fertility.

Organic methods, which rely on crop rotation, manure and compost of fertiliser, are far less intensive.

有机生产方式不讲究精耕细作,不使用化学肥料, 主要依靠轮作 、 肥和混合肥.

Among the crop rotation elements , cover or green manure crops can be included.

轮作的作物中可以包含保护作物或者绿肥.

Through crop rotation, the harmony between human, food production and ecology can be achieved.

这样的水旱轮种交替, 展示人 、 食物生产、大自然生态可以和谐共处.

As a way of land reserve, it include fallow by year , by season and crop rotation.

土地休耕是土地储备的一种方式, 包括年度休耕,季节性休耕、轮作休耕等.

A sensational buzz-zzz zzz . Crop rotation.

耸人听闻的嘈杂声, 轮回的收成.

Crop rotation is the best way to increase output.

想提高产量,最好的办法是倒茬轮作.

Spontaneous fallow vegetation can also be counted as a crop rotation element.

自然生长的休耕植被也可以当成一种轮作植物.

Crop rotation makes a balanced demand on the fertility of the soil.

轮作可以平衡对土壤的肥力要求.

He grew a different crop on the same field five years in a row, what researchers call crop rotation.

他连续5年在同一块地里种植不同的作物，研究人员称之为轮作。

Crop rotation helps prevent soil erosion.

农作物轮作有助于防止水土流失.

Intriguingly, similar ideas crop up in mainstream theories.

有趣的是, 类似的想法在主流理论之中已有斩获.

Tensions crop up too between the short term and long term.

在短期与长期利益之间,也出现了紧张局面.

Similar problems may crop up in our future work.

在我们的工作中,今后还可能出现类似的问题.

As in the past, surprises will crop up-pleasant and unpleasant ones.

就如以往一般, 会有突然的惊奇 —— 好的坏的都有.

In financial history they crop up time after time.

它们都是些深刻的原因.

Gradually, all kinds of little problems begin to crop up.

渐渐地, 各种各样的小问题开始出现.

Of course new problems will crop up and have to be tackled.

当然也还有新问题,还需要继续解决.

For one thing, annoying technical glitches sometime crop up.

首先, 有时发生让人烦恼的技术故障.

Prooblems usually crop up and hit you before you are ready.

问题常常会出乎意料地出现,在你没准备的情况下袭击你.

All the chief difficulties crop up in the synthesis of the enone ( 1 ).

所有的主要难点都涌现在烯酮 ( 1 ) 的合成中.