银耳栽培原料有哪些?如何达到无公害要求?

2025-03-23 11:31:53
推荐回答(1个)
回答1:

银耳栽培的原料资源比较丰富,棉籽壳、木屑、蔗渣、棉花秆、玉米秆、玉米芯、豆秸、花生壳及部分野草,如芦苇、类芦、斑茅等均可作为银耳栽培的原料。银耳栽培原料必须符合国家农业部NY5099—2002《无公害食品 食用菌栽培基质安全技术要求》中相关的质量要求。

(1)棉籽壳

又叫棉籽皮,是目前银耳栽培的最佳原料。棉籽壳栽培银耳后劲足,透气好,产量高。每100千克棉籽壳,可产银耳干品13~18千克。

(2)木屑(杂木屑)

适合银耳生产的主要树种有:漆树科的盐肤木、杧果、野漆、木蜡树;桦木科的白桦、赤杨、黑桦、旱冬瓜、桤木;杜英科的杜英、薯豆、猴欢喜;榛科的鹅耳枥、千金榆;大戟科的三年桐、千年桐、山乌桕;金缕梅科的枫香树、蚊母树、蕈树;胡桃科的枫杨、黄杞;悬铃木科的法国梧桐;桑科的桑、鸡桑、构树;榆科的榆树、朴树;木麻黄科的木麻黄等。

(3)甘蔗渣

该资源丰富,收集时必须选择新鲜色白、无发酵、无霉变的新鲜蔗渣,并及时晒干贮藏备用。新鲜甘蔗渣又以细渣为好,若是粗渣,要经过粉碎过筛后使用,以防刺破栽培袋。

(4)玉米芯

即玉米棒脱粒后的轴。玉米芯营养丰富,适于栽培银耳。要求晒干,并粉碎成绿豆大小的颗粒,若加工成粉状会影响培养料的通气性。

栽培银耳的原料来源广泛,在原料选择时必须做到“把四关”:

(1)采集质量关

原料要求新鲜、洁净、干燥、无虫害、无霉变、无异味;含水量降至13%以下;对棉籽壳等必须进行重金属和农药残留检测,只有不超标的原料,才能用于无公害银耳生产。

(2)入库灭害关

原料进仓前要采取烈日暴晒,并有利于杀灭病原菌和害虫。

(3)储存防潮关

堆放原料的仓库要求干燥、通风、防雨淋、防反潮。

(4)基质处理关

原料使用时,采取提前暴晒,发酵,有利杀灭潜伏在料中的杂菌与虫害。经灭菌处理的,需达到无菌标准;不允许加入农药。

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