使用科學方法降低小麥種子的成本
zaizuijinzhejinianli,guoneidejingjidedaolekuaisudefazhan,yixianchengshiduilaodonglidexuqiubuduandejiada,nongcundehenduonianqingrenyijingkaishibuduandeyongxiangchengshi,zheyangyejiushidenongcunnongyedefazhanzhinengkaolaorenhefunvle,zaizheyangdeqingkuangxia,yaoxiangshidenongyededaokuaisudefazhan,jiubixuyikaoyiqi,cainengshidenongyechuxiandichengbengaoshourudexianxiang。種子發芽箱成為大家首選的儀器,不僅操作簡單,還比較方便攜帶。
實地調查播量大的麥田,冬季受凍害的年份明顯多,春季受“倒春寒”影(ying)響(xiang)幾(ji)率(lv)過(guo)大(da)。春(chun)季(ji)群(qun)體(ti)過(guo)大(da),個(ge)體(ti)發(fa)育(yu)較(jiao)弱(ruo),大(da)量(liang)消(xiao)耗(hao)水(shui)分(fen)和(he)養(yang)分(fen),後(hou)期(qi)成(cheng)穗(sui)數(shu)量(liang)過(guo)多(duo),穗(sui)粒(li)數(shu)多(duo),粒(li)重(zhong)小(xiao),易(yi)倒(dao)伏(fu)。另(ling)外(wai),群(qun)體(ti)過(guo)大(da),影(ying)響(xiang)麥(mai)田(tian)陽(yang)光(guang)吸(xi)收(shou)和(he)良(liang)好(hao)的(de)通(tong)風(feng)環(huan)境(jing),容(rong)易(yi)滋(zi)生(sheng)病(bing)蟲(chong)害(hai)。施(shi)肥(fei)中(zhong)存(cun)在(zai)著(zhe)重(zhong)化(hua)肥(fei)輕(qing)有(you)機(ji)肥(fei),重(zhong)氮(dan)磷(lin)輕(qing)鉀(jia)肥(fei),重(zhong)大(da)量(liang)元(yuan)素(su)輕(qing)微(wei)量(liang)元(yuan)素(su) 。shishizhengming,duoshunongminzhongdibushiyoujifei,youjiyangfendezhuyaolaiyuankaojieganhaitian。muqianyouhenduodifangjieganhaitianhouweifangbianzhengdi,youbajieganlachutianwai,daozhiturangzhongyoujizhiyanzhongqueshi。huafeishiyongliangyouzengwujian,danfeiguoliangerjiafeibuzurengranshimuqianzuituchudewenti。
由(you)於(yu)施(shi)肥(fei)不(bu)均(jun)衡(heng),造(zao)成(cheng)耕(geng)地(di)養(yang)分(fen)含(han)量(liang)發(fa)生(sheng)較(jiao)大(da)變(bian)化(hua),氮(dan)磷(lin)鉀(jia)比(bi)例(li)嚴(yan)重(zhong)失(shi)調(tiao),通(tong)透(tou)性(xing)較(jiao)差(cha),不(bu)利(li)於(yu)保(bao)水(shui)保(bao)肥(fei)。隨(sui)著(zhe)配(pei)方(fang)肥(fei)的(de)推(tui)廣(guang)使(shi)用(yong),氮(dan)磷(lin)鉀(jia)配(pei)比(bi)不(bu)合(he)理(li)現(xian)象(xiang)逐(zhu)步(bu)得(de)到(dao)改(gai)善(shan),配(pei)方(fang)肥(fei)中(zhong)的(de)微(wei)量(liang)元(yuan)素(su)也(ye)在(zai)一(yi)定(ding)程(cheng)度(du)上(shang)彌(mi)補(bu)了(le)土(tu)壤(rang)中(zhong)的(de)微(wei)量(liang)元(yuan)素(su)的(de)不(bu)足(zu),使(shi)小(xiao)麥(mai)產(chan)量(liang)持(chi)續(xu)提(ti)高(gao)。從(cong)長(chang)遠(yuan)看(kan),要(yao)保(bao)持(chi)土(tu)壤(rang)的(de)可(ke)持(chi)續(xu)發(fa)展(zhan),使(shi)土(tu)壤(rang)結(jie)構(gou)得(de)到(dao)徹(che)底(di)改(gai)變(bian),應(ying)大(da)力(li)發(fa)展(zhan)商(shang)品(pin)有(you)機(ji)肥(fei)、緩釋肥、生(sheng)物(wu)肥(fei),同(tong)時(shi)要(yao)加(jia)大(da)秸(jie)稈(gan)還(hai)田(tian)的(de)力(li)度(du)和(he)效(xiao)果(guo),使(shi)之(zhi)全(quan)覆(fu)蓋(gai),配(pei)置(zhi)土(tu)壤(rang)深(shen)鬆(song)輪(lun)作(zuo),使(shi)土(tu)壤(rang)腐(fu)化(hua)程(cheng)度(du)得(de)以(yi)提(ti)高(gao),土(tu)壤(rang)結(jie)構(gou)發(fa)生(sheng)質(zhi)的(de)變(bian)化(hua),為(wei)小(xiao)麥(mai)的(de)增(zeng)產(chan)增(zeng)收(shou)奠(dian)定(ding)基(ji)礎(chu)。
在低溫情況下,要進行中耕,以提高地溫;遇到幹旱時,要進行灌溉,補充水分;bingchonghaifashengshi,yaojinxingzonghefangzhi,quebaoxiaomaijiankangshengchang。zongzhi,shuiguanchuanxiaomaishengchangdequanguocheng,yaoguanmiaoqing,bushishijifanghanguangai,yilizengchanzengshou。jiumuqianxiaomaishengchanqingkuangkan,chengxianchunongyeshengchanziliaotouzizengduoernongyekejizhishizhangwobuzudexianxiang,huanyanzhi,zhongtouzi,budongguanli。jinnianlaihuinongzhengceshinongmindedaoshihui,nongmintouzizhongliangdejijixingjiaogao,nongyeshengchanziliaotouzimingxianzengduo,erxishou、使用新農業知識的意識略顯不足。
shishizhengming,guangyouhaodejishu,meiyouhaodezhongzi,yiqiedoushibaida。shibukenengdedaozengchandemudede,womenbixuliangmiandouyaozhua,zaibufangqijishudetongshi,tigaozhongzidezhiliangyijifayalv,chongfenliyong種子發芽箱。我們還應該從政策上給予農業更多優惠和支持,組織多種形式的農業知識科普活動,徹底解決農業技術意識差,推廣、使用不力這一難題,從而使得小麥豐產豐收。免耕播種技術不僅可以改良土壤、培肥地力、提高土壤蓄水保墒能力,而且還可以改善田間小氣候,為小麥的高產創造必要的適宜條件。



