不同形态氮肥配比对烤烟生长发育和品质的影响

研究施用不同比例铵态氮和硝态氮肥料对烤烟的品质的影响,结果表明:在相同施氮量条件下,单铵态氮的烟株长势强,叶过厚且落黄慢;而单施硝态氮的烟株吸收养分快、生长速度也快,氮养分易流失,烟株较矮小,叶片较小、落黄快;铵态氮与硝态氮以适当比例结合施用,烟株前期早生快发,后期营养充足,上部叶充分展开,落黄均匀,分层明显,烘烤性能提高,能保证一定的产量和质量.

Different proportions of nitrogen impacts on the yield and quality of the tobacco

When tobacco is growing in the farmland,the nitrogen form is mainly ammonium and nitric in the process of fertilizing,the attitude on the effect and proportion using in the farmland is different.The research for the effect on the yield and quality of tobacco by using different proportion of ammonium nitrogen and nitric nitrogen shows that :in the same nitrogen amount,if only fertilize ammonium nitrogen,tobacco will grow better,the leaf is too thick and become yellow slowly,and If just fertilize nitric nitro...