旱种条件下,不论水稻还是陆稻,全糖、全氮含量均高于水种条件,醇溶糖占全糖的比例较高,碳/氮比低;陆稻的醇溶糖占全糖的比例远远高于水稻,这一特性很少随种植条件的改变而产生很大的变化,这可能是其对旱地适应性较强的生理原因之一。同时发现:贮藏性物质的增加是水稻旱种条件下的重要生理表现。 Under the dry cultivation conditions, both the content of total sugar and total nitrogen in rice and paddy rice were higher than those in water. The proportion of alcohol-soluble sugar in total sugar was high and the ratio of carbon to nitrogen was low. The alcohol- Is much higher than that of rice. This characteristic rarely changes greatly with planting conditions, which may be one of the physiological reasons for its adaptability to dry land. At the same time, it was found that the increase of the storage material is an important physiological manifestation of rice in dry farming conditions.