一、到现(xian)阶段绿(lv)肥园艺作物的生长(zhang)优势
去(qu)年绿(lv)(lv)肥作物播种较(jiao)往年偏(pian)晚,加上秋播干旱少雨,造成绿(lv)(lv)肥作物出(chu)苗(miao)迟,出(chu)苗(miao)率偏(pian)低,生(sheng)育进程相应偏ꦗ(pian)迟。虽然越冬期(qi)积温较(jiao)高,绿(lv)(lv)肥得到部分补(bu)偿(chang)性生(sheng)长(zhang)(zhang),但仍(reng)存在苗(miao)小、苗(miao)弱等问(wen)题。当前,气(qi)温逐渐回暖,正是苗(miao)情转化升(sheng)级(ji),扭转不利态势的最佳(jia)时机。自“惊蛰”节♌(jie)气(qi)以(yi)来,绿(lv)(lv)肥长(zhang)(zhang)势已(yi)有改(gai)善。蚕(can)豆总(zong)苗(miao)数(shu)为(wei)16.1万(wan)/亩(mu),较(jiao)上期(qi)“雨水(shui)(shui)(shui)”节(jie)气(qi)13.4万(wan)/亩(mu)增(zeng)(zeng)(zeng)长(zhang)(zhang)了2.7万(wan),株高19.8cm,较(jiao)上期(qi)“雨水(shui)(shui)(shui)”节(jie)气(qi)16.2cm增(zeng)(zeng)(zeng)长(zhang)(zhang)了3.6cm;紫云英(ying)总(zong)苗(miao)数(shu)为(wei)72.1万(wan)/亩(mu),较(jiao)上期(qi)“雨水(shui)(shui)(shui)”节(jie)气(qi)51.4万(wan)/亩(mu)增(zeng)(zeng)(zeng)长(zhang)(zhang)了20.7万(wan),株高14.0cm,较(jiao)上期(qi)“雨水(shui)(shui)(shui)”节(jie)气(qi)11.0cm增(zeng)(zeng)(zeng)长(zhang)(zhang)了3.0cm。
二、特定(ding)农田(tian)安(an)全管理技木指(zhi)导意见
面对某一绿肥农物苗情(qing)特别,某一春夏(xia)田管工(gong)作要要点加强(qiang)沟系清(qing)理垃圾,化肥运筹,促(cu)春发,增(zeng)强(qiඣang)绿肥动(dong)物学销售(shou)量等(deng)上来进行:
1.着力抓好沟系(xi)一体化(hua)。近年来绿肥(fei)田间(jian)仍不会有开沟的,要直接性补、搞好沟系(xi);🐼对沟系(xi)不畅(chan🌜g)、有肾(shen)积(ji)水的农(nong)田直接性蔬通。
2.要(yao)因苗(miao)补肥(fei)促(cu)长。要(yao)抓取迄(qi)今为止(💙zhi)平均气温变暖、农田(tian)墒情最宜的(de)有(you)益好(hao)时机(ji),及(ji)早看苗(miao)追施掺入(ru)化学(xue)肥(fei)料(liao),以(yi)提高网站绿(lv)肥(fei)成长,以(yi)小肥(fei)养大肥(fei)。对话地白♒种或行为偏小的(de)农田(tian)掺入(ru)追施春肥(fei)。