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鄉村種土豆若何畝產7000斤,蒔植妙手告知你竅門!比來幾年,跟著食糧價錢的降落,成安縣北鄉義辛莊村農人土豆蒔植面積逐年增添,但畝產卻一直在1000-2000千克盤桓,有的產量更低。為了找到緣由,筆者特地訪問了土豆高產村——成安縣東北莊村的蒔植強人趙老(最高畝產達3500千克以上),終究找到了謎底:除種子、化肥等關頭外,關頭手藝有兩個。
適(shi)合(he)行(xing)(xing)距:土豆蒔植(zhi)有單行(xing)(xing)雙行(xing)(xing)之(zhi)分(fen),大范圍蒔植(zhi)接納機器化功課,普通(tong)(tong)都是雙行(xing)(xing),莊家蒔植(zhi)(10畝以下)普通(tong)(tong)都是單行(xing)(xing),便于灌溉(gai),在(zai)(zai)這(zhe)(zhe)里首(shou)要談(tan)單行(xing)(xing)蒔植(zhi)。在(zai)(zai)東(dong)北莊村,蒔植(zhi)土豆行(xing)(xing)距為85-90厘米(mi)。趙(zhao)老先容說:這(zhe)(zhe)是他(ta)們多(duo)年(nian)蒔植(zhi)得來(lai)的經歷(li),便于中(zhong)前期普通(tong)(tong)培(pei)土。普通(tong)(tong)年(nian)份中(zhong)前期澆水5-6次,每次澆水都能(neng)(neng)將(jiang)水節制在(zai)(zai)畦(qi)壟(long)2/3處(chu)(chu),這(zhe)(zhe)是澆土豆最關頭的要點,畦(qi)壟(long)2/3以下處(chu)(chu)讓土豆生殖體系能(neng)(neng)普通(tong)(tong)的吸收水份和營養(yang),而(er)畦(qi)壟(long)1/3(澆水面以上)處(chu)(chu)使土質(zhi)松散、氣管(guan)高低疏(shu)浚,能(neng)(neng)將(jiang)氛(fen)圍中(zhong)的二氧(yang)化碳和其余營養(yang)通(tong)(tong)報到公開,這(zhe)(zhe)也是增產的關頭。
而在義辛莊村,蒔植(zhi)土(tu)(tu)(tu)豆(dou)(dou)的行(xing)距為60-70厘(li)米,密植(zhi)反而增(zeng)產。如王某種(zhong)(zhong)了5畝土(tu)(tu)(tu)豆(dou)(dou),種(zhong)(zhong)前跟土(tu)(tu)(tu)豆(dou)(dou)經(jing)銷售告竣了收(shou)(shou)買(mai)和(he)談,100克以上按1.2元/千克收(shou)(shou)買(mai),可土(tu)(tu)(tu)豆(dou)(dou)收(shou)(shou)成(cheng)時,“露頭青(qing)”占到了30%,達不到收(shou)(shou)買(mai)規范,緣由是行(xing)距窄,中前期沒法培土(tu)(tu)(tu),澆水不好節制,當水面(mian)跨越畦壟(long)時,全部畦壟(long)的泥(ni)土(tu)(tu)(tu)就會板結(jie),通透性變(bian)差,土(tu)(tu)(tu)豆(dou)(dou)發展會受影響。是以,提示蒔植(zhi)戶(hu),蒔植(zhi)土(tu)(tu)(tu)豆(dou)(dou)單行(xing)行(xing)距應在80厘(li)米以上。
---------------------------2018.03.30日