Читать книгу Herbicides and Plant Physiology - Andrew H. Cobb - Страница 39

These involve tillage, where the soil is turned over with a plough and harrow before the crop is planted; flooding, to which rice is tolerant but associated weeds are not; mulching, with fabrics or synthetic membranes, which may be biodegradable, to conserve soil moisture and prevent the germination of weed seeds; and mechanical harrows, removing weeds growing in between rows of crops.