Effect adding-strengthen the effectoffertilizer and the output of crops.
增效-增强化肥的效用，增加作物的产量。
2
The effectoffertilizer and water conditions on dry matter accumulation, partition and transportation of different types of rice was studied.
研究了肥水条件对不同类型水稻物质积累与分配的影响。
3
Rainfall simulation experiment was performed to evaluate nitrogen losses from farmland and show the effectoffertilizer application on nitrogen concentration and losses of runoff.