1) fertilizer ~(15)N
肥料~(15)N
1.
Field experiments aimed at the fertilizer ~(15)N uptake,accumulation,distribution and use efficiency in fluecured tobacco were conducted using ~(15)N trace technique in yellow soil in Dafang county of Guizhou province.
结果表明,在二种有机质含量的黄壤上,烤烟~(15)N吸收规律相似,于烤烟移栽后3～5周内,烟株吸收~(15)N较少,5周后~(15)N积累量明显增加,到移栽后13周达到高峰,肥料~(15)N吸收时间拖后;二种土壤上,肥料~(15)N在整个生育期内积累量分别为28。
2) Spring fertilizer-15N
春肥~(15)N
3) fertilizer
[英]['fɜ:təlaɪzə(r)] [美]['fɝtḷ'aɪzɚ]
n.化肥，肥料
4) 15N tracing techinque
￣(15)N
5) compost
[英]['kɔmpɔst] [美]['kɑmpost]
n.堆肥，混合肥料
6) manure
[英][mə'njʊə(r)] [美][mə'nur]
n.肥料;vt.给…施肥
补充资料：春肥
1.春季(通常在春分以前)所施的肥料。
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