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我写的《双季玉米》,在去年本刊第10期发表后,收到全国各地很多来信,询问一些具体技术问题。现择要解答如下。用什么罐比较好? 最好选用不上釉子的大肚小口瓦瓮罐,这种罐的渗透性好。用种量大时,可用大瓮缸。埋入地下多深? 埋入地下的深度以上大冻的罐口冻不着为准。例如,冬季冻土深3尺的,埋罐后,罐口上须封3.5尺厚的土;冻土只有1尺的,罐口上须封1.5尺的土。余类推。种子在装罐前如何处理? 精选后的种子,应曝晒2天,使其干透后再行装罐。罐中装多少种子? 装入的种子以离罐口2寸为宜。为避免罐内湿度过大引起种子发霉,可在罐底先放1
I wrote “Double Maize,” which was published in the 10th issue of last year and received many letters from all over the country asking specific technical questions. Now choose to answer as follows. What kind of tank is better? The best choice is not glazed tusks small mouth Urn cans, this tank permeability is good. With a large amount of available Urn cylinder. Buried underground how deep? Buried in the depth of the ground above the frozen cans freeze can not prevail. For example, in winter when the depth of frozen soil is 3 feet, after embedding the pot, a 3.5-foot-thick soil shall be sealed on the mouth of the pot. Only 1 foot of frozen soil shall be sealed and 1.5 feet of soil shall be sealed on the pot. Other analogies. Seeds in the tank before how to deal with? After the selection of seeds, should be exposed to 2 days, make it dry before canning. How many seeds in the can? In order to avoid too much humidity in the tank caused by moldy, first in the tank bottom 1