1·Types of fertilizer with nitrogen fertilizer, per mu can be with human excrement urine thin 1500 ~ 2000 kg, 5 ~ 10 kg urea.
肥料种类以氮肥为主，每次每亩可施有稀薄的人粪尿液1500 ~ 2000公斤，加入尿素5 ~ 10公斤。
2·Sugarcane is an important sugar and energy crop. In sugarcane production, nitrogen fertilizer and water are two most important factors.
甘蔗是重要的糖料作物和能源作物，在甘蔗栽培中，氮肥和水分是两个最重要的因子。
3·The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
4·High relative humidity is one of main factors causing disease epidemic. Vertical mowing and rational application of nitrogen fertilizer can reduce the disease damage.
夏季高温高湿是导致病害流行的主要因素之一，垂直刈剪和合理施用氮肥可降低该病的危害。
5·Applying nitrogen fertilizer at heading stage could enhance contents of total nitrogen, total soluble protein, free amino acids and free lysine in wheat grains.
抽穗期施氮肥可提高小麦籽粒的全氮含量、总可溶性蛋白质量及游离态氨基酸与游离态赖氨酸量等。