1) fertilizer divided into separate applications
肥粉分两次施用;分几次施肥料
2) application in two dressings
分两次施用
3) Fertilization times
施肥次数
4) single-dose application
一次施肥
5) ion at different depths
肥料分层施用法;分层施肥法
6) fertilizer application
肥料施用
1.
21 representative vegetable field with different cropping system and time were selected,based on vegetable production and fertilizer application investigated from suburb of Zhengzhou city,and the soil chemical and physical property and nitrate nitrogen concentration in vegetables were determined,the results showed that nitrogen provided by organic nutrient accounted for 47.
在对郑州市郊区蔬菜生产与肥料施用状况进行抽样调查的基础上,选择不同蔬菜种植时间、不同蔬菜种植模式的21个典型样点,对土壤理化性状和蔬菜硝酸盐含量进行测定,结果发现:蔬菜有机肥提供的氮质量分数为47。
2.
Fertilizer application and nutrient balance from 1985 in Yanzhou were discussed in this paper, the results showed that chemical fertilizer consumption was increasing from 1985 to 1993, yet, it changed little after 1993 Wheat yield increased stablely from 1985 to 1997,and decreased after 1997.
以兖州市为例,分析了1985年以来高产粮区的肥料施用和养分平衡状况。
补充资料：分两
1.一分一两。谓分量，轻重。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条