Nutritive ingredients accumulation amounts showed remarked difference under different density and applying nitrogenousfertilizer quantity.
营养物质积累量在不同密度和施氮量下存在较大差异。
2
The fertilizer benefit reduces generally as more nitrogenousfertilizer was applied .
氮肥大量投入的同时,肥料效益普遍降低。
3
In the nitrogenousfertilizer industry in China, medium nitrogenousfertilizer plants have the longest history, the strongest technical force and ability in leadership, and very good diversification.