| 摘要 |
A method for improving the effectiveness of rotational farming, in which agricultural crops and fallows on fields are arranged in diagonal pattern downwards and provide the duration of apllying, which is lesser for one than the doubled number of the fields of a crop rotation by one unit. The main system of rotational farming is a seven-field and seven-year crop rotation, and agricultural crops and fallows on each field are arranged according to the following principle: at first the crops, which are apply nutrients, in particular organic matters and mineral substances, are sown, then the crops, which carry-over thereof from the soil, are sown, and, finally, the field is given a rest as a black fallow. |
