由一粒种子发芽长成的作物个体。基本苗就是单位面积上生长的作物个体总数。水稻、小麦、胡麻、油菜等农作物栽培中经常应用的词条，以与每亩茎数和穗数相区别。每亩基本苗数是栽培密度的标志，也是产量构成的重要因素之一。确定每亩基本苗数要因地、同时、因作物品种而异，地力、品种分蘖力、播期、肥水条件等对其影响较大。
黄淮优质水稻应用公式计算合理基本苗数量 关键词： 水稻；基本苗；产量形成；品质 [gap=1018]Key words ： rice,basic seedling,yield formation,quality
基于20个网页-相关网页
Determining the appropriate number of basic seedlings can control the nonbearing tillering being produced before jointing stage and reduce the ratio of peak tillering to final spike number and increase percentage of earbearing tiller to attain the high output.
合理的基本苗数的确定,可以控制拔节前无效分蘖的发生,降低高峰茎蘖与最终穗数的比值,提高茎蘖成穗率来实现高产。
参考来源 - 密度与氮素水平对小黑麦氮代谢及产量、品质的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
本研究初步验证了所拟合出的塑盘旱育抛栽基本苗公式的正确性。
The research primarily validated the correctness of the formulas of the DPT with scattered-planting in double-season rice.
结果表明，有效穗与基本苗呈正相关关系，但穗实粒数与有效穗呈负相关关系。
The result showed that the effective ear was correlated with the actual kernel and the essential seedling, while negative correlation had been observed between the actual kernel and the effective ear.
在氮肥施用量相同时，基本苗增加，每穗粒数、蛋白质及其组分含量均呈下降趋势。
Grain number per spike, protein and its component contents decreased with the increase of basic seedling number at the same nitrogen application amount.
应用推荐