水稻机械化高产栽培技术

1、 苗苗 盐粳9号700075008000850090000123456每穴苗数产量(kg/hm2)A1A2A3 扬辐粳8号6000700080009000100000123456每穴苗数产量(kg/hm2)A1A2A3 淮稻9号80008500900095001000010500110000123456每穴苗数产量(kg/hm2)A1A2A3淮稻5号80008500900095001000010500110000123456每穴苗数产量(kg/hm2)A1A2A3 9优4187000800090001000011000120000123456每穴苗数产量(kg/hm2)A1A2A3 优9870

2、00800090001000011000120000123456每穴苗数产量(kg/hm2)A1A2A3 搁田搁田基本苗基本苗高峰苗高峰苗茎蘖成茎蘖成穗数穗数每穗每穗颖花量颖花量产产 量量情况情况(万万/亩亩)(万万/亩亩)穗率穗率(%)(万万/亩亩)粒数粒数(万万/亩亩)Kg/亩亩精确搁田精确搁田(n=10)6833.272.524.07129.63119.5698.8A搁田过迟搁田过迟(n=3)6839.156.622.12123.82738.5602.7B 处理处理穗数穗数(万万/亩亩)每穗每穗粒数粒数总颖花量总颖花量(万万/亩亩)结实结实率率(%)千粒千粒重重(g)产量产量(kg/亩亩

3、)较倒较倒4+倒倒3减减产（产（%）倒倒4+倒倒322.68b123.96a2811.8a88.427.29678.5a-倒倒5+倒倒423.54a112.45c2670.6b89.027.34649.8b4.23倒倒5+倒倒323.14ab116.96b2706.5b87.927.43652.6b3.82处理处理穗数穗数( (万万/ /亩亩) )每穗每穗粒数粒数总颖花量总颖花量( (万万/ /亩亩) )结实率结实率(%)(%)千粒重千粒重(g)(g)产量产量(kg/(kg/亩亩) )倒倒1 1叶初、末叶初、末18.6818.68133.12133.122486.682486.6894.694

4、.626.2526.25611.4 Dc611.4 Dc倒倒2 2叶初、末叶初、末19.0019.00132.64132.642520.162520.1694.594.526.2026.20624.8 Bb624.8 Bb倒倒3 3叶初、末叶初、末19.7619.76140.97140.972785.572785.5795.195.126.1026.10688.3 Aa688.3 Aa倒倒4 4叶初、末叶初、末20.0120.01139.25139.252786.392786.3994.794.726.0426.04683.2 Aa683.2 Aa倒倒5 5叶初、末叶初、末20.3320.33128.17128.172605.702605.7093.193.126.0126.01622.3 BCb622.3 BCb倒倒6 6叶初、末叶初、末20.5820.581