2、多年生的牧草。幾乎所有的多年生牧草品種都可以在秋季播種。秋季栽培較多的禾本科牧草主要有多年生黑麥草、葦狀羊茅、雞腳草等,豆科牧草主要有紫花苜蓿、白三葉、沙打旺、草木樨等;菊科牧草有串葉鬆香草、普那菜,蓼科牧草有魯梅克斯k-1雜交酸模;紫草科牧草有聚合草等。在秋季播種牧草時,一般要等到玉米收獲騰出地來以後播種,菊科、蓼科、紫zi草cao科ke等deng葉ye菜cai類lei的de草cao可ke以yi首shou先xian在zai苗miao圃pu中zhong育yu苗miao,等deng農nong作zuo物wu收shou獲huo後hou再zai整zheng地di移yi栽zai。為wei了le保bao證zheng牧mu草cao苗miao全quan苗miao壯zhuang,且qie能neng安an全quan越yue冬dong。應ying盡jin量liang提ti前qian建jian植zhi和he播bo種zhong,以yi確que保bao在zai霜shuang降jiang和he封feng凍dong前qian,牧mu草cao的de根gen部bu已yi生sheng長chang到dao冰bing凍dong層ceng以yi下xia。在zai有you條tiao件jian的de地di方fang,冬dong前qian要yao澆jiao灌guan越yue冬dong水shui。為wei保bao證zheng牧mu草cao幼you苗miao安an全quan越yue冬dong,還hai可ke以yi在zai草cao地di上shang覆fu蓋gai作zuo物wu秸jie稈gan或huo者zhe是shi采cai用yong在zai草cao地di撒sa施shi土tu雜za肥fei的de辦ban法fa,為wei牧mu草cao幼you苗miao保bao溫wen供gong肥fei。
3、tongyipinzhongdemucaoyouyuqigezichandideshengtaixuetexingyouchayi。zaibozhongshi,yaogenjuqibutongdeshengtaiyaoqiulaiquedingbozhongdejijie。ruzihuamuxujinjinianwoguocongguowaiyinjinlehenduopinzhong,zhijichabiehenda,jiageyeyoujiaodachayi,rumuxuwangyueergangjinjiagexiangchahenduo,qianzheshihouzhedejin3倍。實際上苜蓿因產地的不同,其休眠級數也不同,其耐寒、抗(kang)凍(dong)性(xing)有(you)較(jiao)大(da)的(de)差(cha)異(yi),不(bu)同(tong)地(di)區(qu)應(ying)播(bo)不(bu)同(tong)的(de)品(pin)種(zhong),不(bu)同(tong)的(de)季(ji)節(jie)也(ye)要(yao)選(xuan)擇(ze)不(bu)同(tong)的(de)品(pin)種(zhong)播(bo)種(zhong),春(chun)季(ji)或(huo)秋(qiu)季(ji)播(bo)種(zhong)會(hui)對(dui)不(bu)同(tong)苜(mu)蓿(xu)品(pin)種(zhong)的(de)生(sheng)長(chang)發(fa)育(yu)產(chan)生(sheng)不(bu)同(tong)的(de)影(ying)響(xiang)。在(zai)秋(qiu)季(ji)播(bo)種(zhong)可(ke)以(yi)選(xuan)擇(ze)休(xiu)眠(mian)級(ji)數(shu)較(jiao)低(di)的(de)進(jin)口(kou)品(pin)種(zhong),主(zhu)要(yao)有(you)苜(mu)蓿(xu)王(wang)、金(jin)皇(huang)後(hou)和(he)一(yi)些(xie)地(di)方(fang)品(pin)種(zhong),如(ru)在(zai)山(shan)東(dong)省(sheng)可(ke)種(zhong)無(wu)棣(di)苜(mu)蓿(xu)。多(duo)年(nian)生(sheng)黑(hei)麥(mai)草(cao)的(de)選(xuan)種(zhong)也(ye)有(you)這(zhe)方(fang)麵(mian)的(de)問(wen)題(ti),在(zai)山(shan)東(dong)省(sheng)秋(qiu)播(bo)多(duo)年(nian)生(sheng)黑(hei)麥(mai)草(cao)品(pin)種(zhong)主(zhu)要(yao)應(ying)選(xuan)擇(ze)維(wei)多(duo)利(li)亞(ya)多(duo)年(nian)生(sheng)黑(hei)麥(mai)草(cao),而(er)不(bu)要(yao)圖(tu)便(bian)宜(yi)選(xuan)擇(ze)一(yi)些(xie)低(di)叢(cong)型(xing)的(de)多(duo)年(nian)生(sheng)黑(hei)麥(mai)草(cao),影(ying)響(xiang)來(lai)年(nian)的(de)產(chan)量(liang)。
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