我國大(da)(da)(da)豆(dou)(dou)(dou)需求量非常大(da)(da)(da)，為此，必須增(zeng)加大(da)(da)(da)豆(dou)(dou)(dou)的(de)栽(zai)(zai)培(pei)面積，同(tong)時(shi)改(gai)善栽(zai)(zai)培(pei)技(ji)(ji)術(shu)(shu)(shu)，提(ti)(ti)高大(da)(da)(da)豆(dou)(dou)(dou)產(chan)量和品質。通常情況下，大(da)(da)(da)豆(dou)(dou)(dou)栽(zai)(zai)培(pei)產(chan)量會受到很多因素(su)的(de)影響，例(li)如，氣候(hou)、環境以及(ji)栽(zai)(zai)培(pei)管理技(ji)(ji)術(shu)(shu)(shu)等。其中(zhong)，栽(zai)(zai)培(pei)技(ji)(ji)術(shu)(shu)(shu)的(de)影響非常大(da)(da)(da)，改(gai)善大(da)(da)(da)豆(dou)(dou)(dou)栽(zai)(zai)培(pei)技(ji)(ji)術(shu)(shu)(shu)是提(ti)(ti)高大(da)(da)(da)豆(dou)(dou)(dou)產(chan)量以及(ji)經濟效益最(zui)有效途徑，促(cu)進大(da)(da)(da)豆(dou)(dou)(dou)產(chan)業(ye)發(fa)展。

大豆(dou)優質高產栽培技術(shu)要點(dian)

1、種(zhong)子處(chu)理

科學選(xuan)(xuan)(xuan)種(zhong)(zhong)(zhong)(zhong)(zhong)，結合大(da)(da)豆(dou)(dou)(dou)(dou)種(zhong)(zhong)(zhong)(zhong)(zhong)植(zhi)(zhi)既定(ding)區域的(de)(de)土壤環境因素等對大(da)(da)豆(dou)(dou)(dou)(dou)種(zhong)(zhong)(zhong)(zhong)(zhong)子進行科學選(xuan)(xuan)(xuan)擇，并(bing)考慮不(bu)同(tong)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)(zhong)子其實(shi)際產(chan)量，以(yi)及(ji)對病(bing)蟲(chong)害(hai)所能(neng)產(chan)生的(de)(de)抵抗(kang)力(li)，選(xuan)(xuan)(xuan)擇優(you)質品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)以(yi)及(ji)高(gao)適應性品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)(zhong)植(zhi)(zhi)。大(da)(da)豆(dou)(dou)(dou)(dou)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)要求。應選(xuan)(xuan)(xuan)擇產(chan)量高(gao)、抗(kang)倒(dao)伏，有(you)限或(huo)(huo)亞有(you)限結莢(jia)(jia)型習性的(de)(de)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)。如(ru)果(guo)帶(dai)狀間作(zuo)(zuo)，選(xuan)(xuan)(xuan)擇抗(kang)倒(dao)伏能(neng)力(li)強、中早 熟(shu)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)，成熟(shu)期(qi)單(dan)株(zhu)(zhu)有(you)效(xiao)(xiao)莢(jia)(jia)數不(bu)低于(yu)該品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)單(dan)作(zuo)(zuo)莢(jia)(jia)數的(de)(de)50%，單(dan)株(zhu)(zhu)粒(li)(li)(li)數50粒(li)(li)(li)以(yi)上，單(dan)株(zhu)(zhu)粒(li)(li)(li)重 10g以(yi)上，株(zhu)(zhu)高(gao) 55～100cm。帶(dai)狀套作(zuo)(zuo)時(shi)，選(xuan)(xuan)(xuan)擇玉米大(da)(da)豆(dou)(dou)(dou)(dou)共生期(qi)大(da)(da)豆(dou)(dou)(dou)(dou)節間長粗比小(xiao)于(yu) 19cm，抗(kang)倒(dao)伏能(neng)力(li)較(jiao)強、中晚(wan)熟(shu)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)，大(da)(da)豆(dou)(dou)(dou)(dou)成熟(shu)期(qi)單(dan)株(zhu)(zhu)有(you)效(xiao)(xiao)莢(jia)(jia)數為該品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)單(dan)作(zuo)(zuo)莢(jia)(jia)數的(de)(de)70%以(yi)上，單(dan)株(zhu)(zhu)粒(li)(li)(li)數 80 粒(li)(li)(li)以(yi)上，單(dan)株(zhu)(zhu)粒(li)(li)(li)重 15克以(yi)上。適合當(dang)地栽培(pei)的(de)(de)大(da)(da)豆(dou)(dou)(dou)(dou)的(de)(de)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)有(you)遼豆(dou)(dou)(dou)(dou)15、遼豆(dou)(dou)(dou)(dou)36、鐵豆(dou)(dou)(dou)(dou)49、鐵豆(dou)(dou)(dou)(dou)53、沈農豆(dou)(dou)(dou)(dou)12等，這些(xie)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)多數產(chan)量較(jiao)高(gao)，畝產(chan)超過或(huo)(huo)接近300kg，且是經(jing)過正(zheng)規的(de)(de)省級(ji)試驗和(he)品(pin)種(zhong)(zhong)(zhong)(zhong)(zhong)審(shen)定(ding)的(de)(de)，豐產(chan)穩(wen)產(chan)性均較(jiao)好(hao)。其次對選(xuan)(xuan)(xuan)定(ding)后的(de)(de)種(zhong)(zhong)(zhong)(zhong)(zhong)子實(shi)施(shi)處理，剔除殘種(zhong)(zhong)(zhong)(zhong)(zhong)，并(bing)將剩余健康種(zhong)(zhong)(zhong)(zhong)(zhong)子放置(zhi)在陽光下(xia)曬24小(xiao)時(shi)，能(neng)夠起到紫外線(xian)殺菌的(de)(de)有(you)效(xiao)(xiao)作(zuo)(zuo)用，進而保(bao)障種(zhong)(zhong)(zhong)(zhong)(zhong)子的(de)(de)實(shi)際發芽率(lv)并(bing)達(da)到有(you)效(xiao)(xiao)降低病(bing)害(hai)發生的(de)(de)效(xiao)(xiao)果(guo)。

2、精細整地(di)

為保(bao)(bao)障在(zai)大豆(dou)(dou)種植(zhi)過程(cheng)中(zhong)能(neng)獲得(de)相(xiang)對較(jiao)好種植(zhi)效果，需要充分(fen)做(zuo)好種植(zhi)前(qian)的準備工作，對將播種的土(tu)地實(shi)施(shi)深耕保(bao)(bao)墑，使(shi)土(tu)壤(rang)能(neng)夠(gou)(gou)形成豐(feng)富的團粒結構，促(cu)使(shi)大豆(dou)(dou)種子在(zai)種植(zhi)后能(neng)夠(gou)(gou)獲得(de)充足(zu)養分(fen)供給生(sheng)(sheng)長(chang)(chang)，如若在(zai)深耕過程(cheng)當中(zhong)發現土(tu)壤(rang)實(shi)際(ji)肥(fei)(fei)力(li)相(xiang)對較(jiao)低，則適(shi)當施(shi)加(jia)肥(fei)(fei)料(liao)補充肥(fei)(fei)力(li)。一般情況下會在(zai)土(tu)壤(rang)當中(zhong)施(shi)加(jia)底(di)肥(fei)(fei)，施(shi)入(ru)充分(fen)腐熟的有機肥(fei)(fei)為底(di)肥(fei)(fei)，施(shi)加(jia)底(di)肥(fei)(fei)能(neng)夠(gou)(gou)促(cu)使(shi)土(tu)壤(rang)充分(fen)獲取(qu)保(bao)(bao)墑作用，為大豆(dou)(dou)的生(sheng)(sheng)長(chang)(chang)提供充足(zu)營養。同(tong)時在(zai)大豆(dou)(dou)的后續生(sheng)(sheng)長(chang)(chang)階段中(zhong)也需要相(xiang)應(ying)的為其(qi)補充肥(fei)(fei)料(liao)，以促(cu)進健康(kang)茁(zhuo)壯生(sheng)(sheng)長(chang)(chang)。

3、適時播種

選擇合(he)適的播(bo)(bo)(bo)期(qi)(qi)是大(da)(da)(da)豆(dou)(dou)栽培(pei)的關鍵環節，播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)時(shi)間(jian)關乎大(da)(da)(da)豆(dou)(dou)出苗及苗勢，也是大(da)(da)(da)豆(dou)(dou)正常生長的關鍵性因素(su)。播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)前需做(zuo)好(hao)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子處理(li)工作，提高種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子的吸水能(neng)力(li)，為出全苗奠定(ding)(ding)基礎。結(jie)合(he)曬種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)做(zuo)好(hao)選種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)工作，保(bao)證種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子精選并(bing)包衣，種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子包衣能(neng)夠很好(hao)預防(fang)各種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)地(di)(di)下害(hai)蟲和苗期(qi)(qi)病害(hai)的發生。結(jie)合(he)當(dang)地(di)(di)的氣候條(tiao)件確(que)定(ding)(ding)大(da)(da)(da)豆(dou)(dou)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)日期(qi)(qi)，選擇最佳的播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)時(shi)間(jian)，通(tong)常情況(kuang)下，大(da)(da)(da)豆(dou)(dou)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)時(shi)間(jian)控(kong)(kong)制(zhi)(zhi)在5月上(shang)(shang)中旬。可(ke)使用(yong)精量播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機快速完成機械化播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)工作，為大(da)(da)(da)豆(dou)(dou)高產穩產奠定(ding)(ding)基礎。播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)密度決(jue)定(ding)(ding)大(da)(da)(da)豆(dou)(dou)的產量和質量，合(he)理(li)密度，有利于(yu)豐產。例如：遼(liao)豆(dou)(dou)系列(lie)，地(di)(di)力(li)肥(fei)沃畝(mu)保(bao)苗1.6-2.2萬株；中等肥(fei)力(li)2.0-2.3萬株，薄地(di)(di)2.3-2.5萬株。一(yi)般(ban)情況(kuang)下，大(da)(da)(da)豆(dou)(dou)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)深度控(kong)(kong)制(zhi)(zhi)在3～5cm，結(jie)合(he)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，每(mei)公頃施(shi)加種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)肥(fei)磷(lin)酸二胺200～300kg、鉀肥(fei)150kg或大(da)(da)(da)豆(dou)(dou)專用(yong)肥(fei)400kg。大(da)(da)(da)豆(dou)(dou)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)植同樣可(ke)以(yi)(yi)應用(yong)免(mian)耕機，能(neng)夠保(bao)障統一(yi)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)植效果，并(bing)提升種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)植效率。使用(yong)免(mian)耕機實施(shi)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)植需要控(kong)(kong)制(zhi)(zhi)最寬行間(jian)距為50cm左右，最窄(zhai)行間(jian)距需要控(kong)(kong)制(zhi)(zhi)在30cm以(yi)(yi)上(shang)(shang)。

田間管理技(ji)術(shu)

1、肥(fei)水(shui)管(guan)理技術(shu)

日(ri)常田(tian)間(jian)管(guan)(guan)(guan)理(li)(li)貫穿大豆(dou)(dou)的(de)(de)整個生長(chang)周期(qi)(qi)(qi)，主(zhu)要分(fen)為幼(you)苗期(qi)(qi)(qi)管(guan)(guan)(guan)理(li)(li)、開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)期(qi)(qi)(qi)管(guan)(guan)(guan)理(li)(li)和(he)鼓(gu)粒(li)(li)期(qi)(qi)(qi)管(guan)(guan)(guan)理(li)(li)。首先，幼(you)苗期(qi)(qi)(qi)管(guan)(guan)(guan)理(li)(li)：該階段的(de)(de)主(zhu)攻目(mu)標(biao)是保證(zheng)苗全、苗勻(yun)、苗壯(zhuang)。疏松土壤(rang)可(ke)促進發(fa)根壯(zhuang)苗，早分(fen)枝，早開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)，多開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)。開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)期(qi)(qi)(qi)管(guan)(guan)(guan)理(li)(li)：開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)期(qi)(qi)(qi)為大豆(dou)(dou)田(tian)間(jian)有(you)2/3以上(shang)(shang)(shang)的(de)(de)植株(zhu)出(chu)現(xian)2朵以上(shang)(shang)(shang)花(hua)(hua)(hua)朵的(de)(de)階段，這時需要大量(liang)(liang)(liang)(liang)的(de)(de)養分(fen)和(he)水(shui)(shui)分(fen)，此期(qi)(qi)(qi)的(de)(de)主(zhu)攻目(mu)標(biao)是促進植株(zhu)健(jian)壯(zhuang)生長(chang)，防止倒伏，增(zeng)花(hua)(hua)(hua)保莢。鼓(gu)粒(li)(li)期(qi)(qi)(qi)管(guan)(guan)(guan)理(li)(li)：田(tian)間(jian)有(you)50%以上(shang)(shang)(shang)植株(zhu)豆(dou)(dou)莢放(fang)扁、籽粒(li)(li)顯(xian)著凸起稱為鼓(gu)粒(li)(li)期(qi)(qi)(qi)，此期(qi)(qi)(qi)的(de)(de)主(zhu)攻目(mu)標(biao)是加速鼓(gu)粒(li)(li)、增(zeng)粒(li)(li)和(he)增(zeng)質量(liang)(liang)(liang)(liang)。大豆(dou)(dou)科(ke)學施(shi)肥(fei)(fei)(fei)(fei)(fei)(fei)。大豆(dou)(dou)在(zai)開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)前(qian)(qian)吸(xi)肥(fei)(fei)(fei)(fei)(fei)(fei)量(liang)(liang)(liang)(liang)不(bu)到總(zong)量(liang)(liang)(liang)(liang)的(de)(de)15%，而開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)結(jie)莢期(qi)(qi)(qi)占(zhan)總(zong)吸(xi)肥(fei)(fei)(fei)(fei)(fei)(fei)量(liang)(liang)(liang)(liang)的(de)(de)80%以上(shang)(shang)(shang)。增(zeng)施(shi)有(you)機肥(fei)(fei)(fei)(fei)(fei)(fei)料，控制氮(dan)肥(fei)(fei)(fei)(fei)(fei)(fei)用(yong)(yong)量(liang)(liang)(liang)(liang)、 保證(zheng)磷(lin)鉀肥(fei)(fei)(fei)(fei)(fei)(fei)用(yong)(yong)量(liang)(liang)(liang)(liang)，適當(dang)補充中微量(liang)(liang)(liang)(liang)元素(su)。鼓(gu)勵接種(zhong)(zhong)(zhong)大豆(dou)(dou)根瘤(liu)菌，減少大豆(dou)(dou)用(yong)(yong)氮(dan)量(liang)(liang)(liang)(liang)，相(xiang)對清(qing)種(zhong)(zhong)(zhong)不(bu)增(zeng)加施(shi)肥(fei)(fei)(fei)(fei)(fei)(fei)作(zuo)業(ye)環(huan)節(jie)和(he)工作(zuo)量(liang)(liang)(liang)(liang)，實現(xian)播種(zhong)(zhong)(zhong)施(shi)肥(fei)(fei)(fei)(fei)(fei)(fei)一體化，有(you)條件(jian)的(de)(de)地(di)方(fang)盡量(liang)(liang)(liang)(liang)選用(yong)(yong)緩(huan)(huan)控釋肥(fei)(fei)(fei)(fei)(fei)(fei)。從施(shi)肥(fei)(fei)(fei)(fei)(fei)(fei)量(liang)(liang)(liang)(liang)看(kan)，大豆(dou)(dou)選用(yong)(yong)低氮(dan)緩(huan)(huan)控釋肥(fei)(fei)(fei)(fei)(fei)(fei)，每畝追施(shi)配方(fang)肥(fei)(fei)(fei)(fei)(fei)(fei) 40-50公(gong)斤。大豆(dou)(dou)合理(li)(li)灌溉。大豆(dou)(dou)種(zhong)(zhong)(zhong)子發(fa)芽(ya)要求(qiu)較多水(shui)(shui)份，開(kai)(kai)(kai)(kai)花(hua)(hua)(hua)期(qi)(qi)(qi)要求(qiu)土壤(rang)含水(shui)(shui)量(liang)(liang)(liang)(liang)在(zai)70%-80%，否則花(hua)(hua)(hua)蕾脫落(luo)率增(zeng)加。對于(yu)墑情不(bu)好的(de)(de)地(di)塊，有(you)灌溉條件(jian)的(de)(de)，可(ke)在(zai)播前(qian)(qian)灌水(shui)(shui)1次，以利播后種(zhong)(zhong)(zhong)子發(fa)芽(ya)。結(jie)合灌水(shui)(shui)進行大田(tian)封閉除草。

2、除草(cao)技術

雜(za)(za)草(cao)(cao)(cao)的(de)(de)(de)(de)發生會(hui)妨礙(ai)大(da)豆(dou)的(de)(de)(de)(de)健康生長(chang)，爭奪(duo)土(tu)壤(rang)(rang)養(yang)分(fen)，并為病蟲害營(ying)造一定(ding)的(de)(de)(de)(de)繁(fan)殖傳播環境，應及時(shi)(shi)除(chu)草(cao)(cao)(cao)。苗(miao)前除(chu)草(cao)(cao)(cao)：利用(yong)(yong)(yong)生產上最(zui)常用(yong)(yong)(yong)的(de)(de)(de)(de)光(guang)譜性除(chu)草(cao)(cao)(cao)劑有普(pu)(pu)施(shi)(shi)(shi)特和(he)廣滅靈(ling)，這(zhe)兩種除(chu)草(cao)(cao)(cao)劑對大(da)豆(dou)田的(de)(de)(de)(de)多種禾草(cao)(cao)(cao)科雜(za)(za)草(cao)(cao)(cao)和(he)闊葉(xie)雜(za)(za)草(cao)(cao)(cao)都有效。用(yong)(yong)(yong)藥(yao)(yao)(yao)量(liang)(liang)：5%普(pu)(pu)施(shi)(shi)(shi)特水(shui)劑，每(mei)公頃用(yong)(yong)(yong)量(liang)(liang)1.5-2kg；48%廣滅靈(ling)乳油，每(mei)公頃用(yong)(yong)(yong)量(liang)(liang)2-2.5公斤。普(pu)(pu)施(shi)(shi)(shi)特、豆(dou)磺隆、廣滅靈(ling)都可(ke)以在土(tu)壤(rang)(rang)中保(bao)留(liu)較(jiao)長(chang)時(shi)(shi)間，要(yao)特別注意對后(hou)茬作物的(de)(de)(de)(de)藥(yao)(yao)(yao)害。苗(miao)后(hou)除(chu)草(cao)(cao)(cao)：除(chu)草(cao)(cao)(cao)劑的(de)(de)(de)(de)種類 出(chu)苗(miao)早期(qi)適(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)除(chu)草(cao)(cao)(cao)劑：生產上使用(yong)(yong)(yong)最(zui)普(pu)(pu)遍的(de)(de)(de)(de)是普(pu)(pu)施(shi)(shi)(shi)特。在雜(za)(za)草(cao)(cao)(cao)剛出(chu)土(tu)時(shi)(shi)施(shi)(shi)(shi)藥(yao)(yao)(yao)，一般(ban)不(bu)晚于(yu)大(da)豆(dou)2片(pian)復葉(xie)期(qi)。出(chu)苗(miao)早期(qi)施(shi)(shi)(shi)用(yong)(yong)(yong)普(pu)(pu)施(shi)(shi)(shi)特的(de)(de)(de)(de)用(yong)(yong)(yong)量(liang)(liang)為：5%的(de)(de)(de)(de)普(pu)(pu)施(shi)(shi)(shi)特水(shui)劑每(mei)公頃1-1.5kg，不(bu)宜(yi)超(chao)過(guo)1.5kg。應選擇(ze)降(jiang)雨前后(hou)濕(shi)度較(jiao)大(da)的(de)(de)(de)(de)天(tian)氣(qi)施(shi)(shi)(shi)用(yong)(yong)(yong)，避(bi)開高溫干燥的(de)(de)(de)(de)中午和(he)大(da)風天(tian)氣(qi)。施(shi)(shi)(shi)藥(yao)(yao)(yao)時(shi)(shi)期(qi)出(chu)苗(miao)后(hou)期(qi)適(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)除(chu)草(cao)(cao)(cao)劑一般(ban)在大(da)豆(dou)2-3片(pian)復葉(xie)期(qi)施(shi)(shi)(shi)藥(yao)(yao)(yao)。春季(ji)土(tu)壤(rang)(rang)水(shui)分(fen)好(hao)的(de)(de)(de)(de)年份(fen)，施(shi)(shi)(shi)藥(yao)(yao)(yao)可(ke)適(shi)當早些，用(yong)(yong)(yong)藥(yao)(yao)(yao)量(liang)(liang)一般(ban)采(cai)用(yong)(yong)(yong)下(xia)限。春季(ji)干旱，施(shi)(shi)(shi)藥(yao)(yao)(yao)可(ke)適(shi)當晚些，用(yong)(yong)(yong)藥(yao)(yao)(yao)量(liang)(liang)一般(ban)采(cai)用(yong)(yong)(yong)上限。

通(tong)過(guo)上述內容可知(zhi)，改善(shan)大(da)(da)(da)豆(dou)(dou)栽培(pei)技(ji)術(shu)(shu)可使(shi)(shi)大(da)(da)(da)豆(dou)(dou)質(zhi)量(liang)以(yi)(yi)及產量(liang)顯著提高，不僅使(shi)(shi)大(da)(da)(da)豆(dou)(dou)種植(zhi)環境更加穩(wen)定，而且還增大(da)(da)(da)了大(da)(da)(da)豆(dou)(dou)種植(zhi)的(de)(de)經濟效益。因此，在(zai)大(da)(da)(da)豆(dou)(dou)種植(zhi)的(de)(de)過(guo)程(cheng)中，必(bi)(bi)須(xu)全面綜(zong)合(he)地考慮，結合(he)氣候(hou)、環境以(yi)(yi)及技(ji)術(shu)(shu)，根據(ju)實際情況采用合(he)適(shi)的(de)(de)栽培(pei)技(ji)術(shu)(shu)，每(mei)個環節和(he)(he)步驟都不能(neng)忽視(shi)，必(bi)(bi)須(xu)嚴(yan)格做好(hao)每(mei)一(yi)步。同(tong)時(shi)做好(hao)施(shi)肥和(he)(he)防災工作，可以(yi)(yi)設置大(da)(da)(da)豆(dou)(dou)種植(zhi)保護區(qu)，當大(da)(da)(da)豆(dou)(dou)種植(zhi)以(yi)(yi)后出現(xian)問題及時(shi)解決，以(yi)(yi)保證大(da)(da)(da)豆(dou)(dou)的(de)(de)產量(liang)。