fertilisable

fertilisable

1. Euonymus fertilis

n. 全育卫矛

2. Sporobolus fertilis

n. 鼠尾粟

3. Keywords trace element;rare earth;agriculture;natural minerals fertili;zer;soil;

微量元素;稀土;农业;天然矿肥;土壤;

4. Greenhouse survey and field experimen ts ratified that sulphur had became a limiting factor and application of fertili zer sulphur was necessary for further yield increase in some soils.

温室盆栽和田间小区试验结果证实，土壤缺硫在部分区县是造成农作物减产的重要因素，硫肥投入已成为这些地区增产的必要措施之一。