主(zhu)要原料之紫(zi)(zi)(zi)薯(shu)(shu)(shu)在(zai)，國(guo)內市(shi)場(chang)銷售空前(qian)(qian)(qian)火，發(fa)(fa)展前(qian)(qian)(qian)景也(ye)非常廣闊。紫(zi)(zi)(zi)紅(hong)(hong)薯(shu)(shu)(shu)重(zhong)施基(ji)(ji)肥。選擇土壤肥沃，土質疏松(song)，透氣性好的沙(sha)壤土種(zhong)植(zhi)，紫(zi)(zi)(zi)紅(hong)(hong)薯(shu)(shu)(shu)一(yi)(yi)般(ban)深(shen)耕25—30厘(li)(li)米(mi)，插植(zhi)前(qian)(qian)(qian)，起(qi)壟(long)寬1米(mi)，溝寬30厘(li)(li)米(mi)，溝深(shen)25—30厘(li)(li)米(mi)的壟(long)，山坡地(di)(di)采用等高(gao)線起(qi)壟(long)種(zhong)植(zhi)。紫(zi)(zi)(zi)紅(hong)(hong)薯(shu)(shu)(shu)深(shen)耕起(qi)壟(long)整地(di)(di)時要結合施用基(ji)(ji)肥，每畝施欄糞1000—1500公(gong)斤，過磷酸鈣20—25公(gong)斤作(zuo)基(ji)(ji)肥。一(yi)(yi)畝紫(zi)(zi)(zi)薯(shu)(shu)(shu)是一(yi)(yi)畝小(xiao)(xiao)麥(mai)的干粉產(chan)量(liang)的三四倍，紫(zi)(zi)(zi)薯(shu)(shu)(shu)所含其它營養卻明(ming)顯高(gao)于小(xiao)(xiao)麥(mai)。尤其值得稱贊的是紫(zi)(zi)(zi)薯(shu)(shu)(shu)口味(wei)明(ming)顯比紅(hong)(hong)薯(shu)(shu)(shu)好，非常適合市(shi)場(chang)消(xiao)費和(he)普及，可(ke)以說紫(zi)(zi)(zi)薯(shu)(shu)(shu)非常有(you)希望成為繼大米(mi)，小(xiao)(xiao)麥(mai)，玉米(mi)之后的另一(yi)(yi)種(zhong)主(zhu)食，紫(zi)(zi)(zi)薯(shu)(shu)(shu)還(huan)可(ke)深(shen)度開(kai)發(fa)(fa)能進一(yi)(yi)步提高(gao)農民收入。紫(zi)(zi)(zi)薯(shu)(shu)(shu)售價較(jiao)高(gao)，每斤5元左右(you)。紫(zi)(zi)(zi)薯(shu)(shu)(shu)丁