1·Pot experiment was conducted to study the effects of nitrogenous fertilizer forms on quality of amaranth under different water treatments.
通过盆栽试验，研究了不同水分条件下氮肥形态配比对苋菜品质的影响。
2·The paper deals with the exploitation of water-coal slurry gasification technology, its application in nitrogenous fertilizer industry, and its development trend in near future.
介绍水煤浆气化技术的开发及其在氮肥工业中的应用和近期发展趋势。
3·The experiment results showed as follows: The activity of urease and sucrase were inhibited and the activity of phosphatase was advanced as applying nitrogenous fertilizer.
结果表明，天然草地土壤施氮肥后，脲酶与蔗糖酶活性受到抑制，而磷酸酶活性受到促进；
4·And study the nitrogenous fertilizer response trial, phosphorous fertilizer response trial, potassium fertilizer response trial and nitrogen, phosphorous, potassium nutrition balance separately.
分别从氮肥效应试验、磷肥效应试验、钾肥效应试验和氮磷钾养分平衡进行了研究。