2) rice nitrogen status
水稻氮素营养
1.
SPAD-502 meter provides a simple, fast and nondestructive method to monitor rice nitrogen status and predict the need for fertilizer-N topdressing on time, but the precision was influenced by many factors.
叶绿素计(SPAD-502)在监测水稻氮素营养水平和及时提供追肥所需的信息方面有快速、简便、无损的特点,但其精度常受多种因素的影响。
3) rice increase yield chemical
水稻增产素
1.
5%that applied rice increase yield chemical1kg /667m 2 combining return green fertilizer in return green stage and again in tillering stage.
两年大区试验结果表明:在水稻返青期与返青肥一起施入水稻增产素1kg/667m2,分蘖期再施入0。
4) rice controlled release nitrogen fertilizer
水稻控释氮肥
1.
Results showed that NH 3 volatilization losses of urea and rice controlled release nitrogen fertilizer in 11 days of fertilizer application occurred 1.
结果表明 ,施肥后 11天内 ,水稻控释氮肥和尿素的NH3 挥发损失分别占施入氮量的 0 。
5) rice N fertilizer application decision making
水稻施氮量决策
1.
The framework and content of rice N fertilizer application decision making based on method of fertilization for target yield by means of soil information system were introduced and the results of a preliminary study of Dafeng City,Jiangsu Province were showed.
以江苏省大丰市为例 ,介绍了利用土壤信息系统 ,以目标产量法为依据 ,进行水稻施氮量决策的具体思路与做法 ,并展示了初步尝试的结
6) nitrogen content in water of paddy field
稻田水层含氮量
补充资料：水稻
单子叶植物，禾本科。一年生草本。叶狭长扁平，叶鞘有茸毛。圆锥花序称“稻穗”，成熟时下垂，小穗有芒或无芒，稃上有毛或无毛。颖果即稻谷。按米粒黏性分粳、籼、糯稻；按生育期分早、中、晚稻。
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