1) nitrogen and potassium at initial heading stage
始穗期氮钾营养
2) N and K
氮、钾营养
1.
Effects of N and K on yield,output values,ratio of mid-high grade leaves of flue-cured tobacco;
氮、钾营养对烤烟产量、产值和优质烟叶比例的影响
2.
The Effect of N and K on Quality of Flue-cured Tobacco;
氮、钾营养对烤烟品质的影响
3) nitrogen and potassium
氮钾营养
1.
Effects of nitrogen and potassium application on dry matter accumulation and gain yield of strong gluten wheat in loamy fluvo-aguic soil
豫东潮土氮钾营养对强筋小麦干物质积累和产量的影响
5) preliminary heading stage
抽穗始期
6) Initial heading stage
始穗期
1.
On chilling tolerance of South-China double cropping super rice varieties(combinations) with chilling stress at initial heading stage;
华南双季超级稻始穗期低温胁迫及耐冷性评价
补充资料：锌营养不良性营养期延迟
锌营养不良性营养期延迟
病名。锌营养 缺乏引起的青春期延迟，在动物蛋白摄入不足的国家和地区相当多见，除性发育不全外，常 伴 有矮小及食欲不良等症状，伴有低锌生化指标，如及时改善锌营养，则可促进发育。
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