一、现行绿肥饲料作物繁殖特色
去年绿(lv)肥作物播(bo)种较(jiao)往年偏晚,加(jia)上(shang)秋播(bo)干旱少雨,造成绿(lv)肥作物出苗(miao)迟(chi)(chi),出苗(miao)率偏低,生育进程相应偏迟(chi)(chi)。虽然越(yue)冬期(qi)积(ji)温较(jiao)高(gao),绿(lv)肥得到部分补(bu)偿ꦉ性(xing)生长(zhang)(zhang),但仍存在苗(miao)小、苗(miao)弱等问题。当前,气(qi)温逐渐回暖,正是苗(miao)情(qi🧸ng)转化升级,扭转不利态势的最佳时机。自“惊蛰”节(jie)气(qi)以来(lai),绿(lv)肥长(zhang)(zhang)势已有改(gai)善。蚕豆总苗(miao)数为16.1万(wan)(wan)(wan)/亩,较(jiao)上(shang)期(qi)“雨水”节(jie)气(qi)13.4万(wan)(wan)(wan)/亩增(zeng)长(zhang)(zhang)了(le)2.7万(wan)(wan)(wan),株高(gao)19.8cm,较(jiao)上(shang)期(qi)“雨水”节(jie)气(qi)16.2cm增(zeng)长(zhang)(zhang)了(le)3.6cm;紫云(yun)英总苗(miao)数为72.1万(wan)(wan)(wan)/亩,较(jiao)上(shang)期(qi)“雨水”节(jie)气(qi)51.4万(wan)(wan)(wan)/亩增(zeng)长(zhang)(zhang)了(le)20.7万(wan)(wan)(wan),株高(gao)14.0cm,较(jiao)上(shang)期(qi)“雨水”节(jie)气(qi)11.0cm增(zeng)长(zhang)(zhang)了(le)3.0cm。
二(er)、当前(qian)状况(kuang)田间地头(tou)操作(zuo)水(ꦐshui)平指导(dao)意𓃲见
共(gong)性现(xian)(xian)行绿肥(fei)农(nong)物(wuꦡ)苗情性能(neng),现(xian)(xian)行开春(chun)田管工(gong)作要重(zhong)點(dian)加强领导(dao)沟系清洗,水溶肥(fei)运筹,促(cu)春(chun)发,增加绿肥(fei)菌物(wu)学(xue)产量比等个方面(mian)采取(qu):
1.着力抓好沟(gou)系(xi)服(fu)ಌ务设施。近些年绿肥田间仍是(shi꧑)没有(you)开沟(gou)的,要尽(jin)早补(bu)、做好沟(gou)系(xi);对沟(gou)系(xi)不畅(chang)、有(you)渗漏(lou)的苗(miao)圃地尽(jin)早蔬通(tong)。
2.要(yao)因苗补肥🎃促ꦕ(cu)长。要(yao)紧(jin)(jin)紧(jin)(jin)抓(zhua)住现有(you)(you)随着(zhe)气温(wen)回(hui)温(wen)、田(tian)里墒情适合的(de)极为有(you)(you)利的(de)的(de)好时机,有(you)(you)效(xiao)看苗追施有(you)(you)益健康各(ge)类(lei)农产品,以有(you)(you)利于绿肥衍(yan)生,以小肥养大肥。经典对白地白种或人群偏小的(de)田(tian)园(yuan)有(you)(you)益健康追施春肥。