马铃薯属于植物的哪个地区

2025-02-24 17:29:45
推荐回答(2个)
回答1:

我国马铃薯的分布情况:
全国每个省(区)都有马铃薯栽培。面积472.3万公顷,总产66282千吨,单产14842千克/公顷。主产区在东北、华北、西北和西南等地区,中原和东南沿海各地较少。
目前常年栽培面积在400万亩以上的省(区)有四川、黑龙江和甘肃,360万亩以上的省(区)有内蒙古、山西和湖北,300万亩以上的省(区)有陕西、云南和贵州,250万亩以上的省(区)有河南,100万亩以上的省(区)有吉林和辽宁。四川省在我国栽培马铃薯面积最大,常年在600万亩左右。
我国马铃薯总体分布特点是北方多,山区多,杂粮区多。我国地域辽阔、气候类型多样,马铃薯具有生育期短、适应性广、耐瘠薄等特点,从南到北一年四季均有马铃薯种植。

回答2:

块茎、地下茎,因上面有芽眼,可以供繁殖使用。

1、选地整地。土豆宜轮作换茬,因为这样可以有效的减少杂草的数量,并降低病虫害发生的几率。适合与土豆连作的作物有豆类等,要求轮作在三年以上,避免与茄科类作物连作。土豆喜欢在沙壤土或者壤土的土块中生存,所以我们选地时要选择符合此条件的土壤。种植之前要深耕晒垄,深耕的深度在十五至二十厘米,这样才能有效消除潜伏在土壤中的细菌。施肥可以和深耕一起进行,肥料主要选择腐熟的农家肥做基肥,每亩地施入两千五至三千千克的农家肥。

2、适时播种。播种的时间是提高土豆产量的重要环节,关于土豆的播种应该遵循三个原则,分别是土壤十厘米的地温要达到八度左右,并且春播的时间要避开霜冻期,尽量选择霜冻期前半个月时间播种。另外,要求土豆的膨大期时的气温不能超过二十三度;同时还要求种植地区有适量的降雨,防止植株茎叶徒长,使得它不能正常的吸收养分,造成减产。一般来说达到这三个条件后,就能播种了。播种采用开沟点播的方式,先在田间开沟,沟深要在十厘米至十五厘米之间,然后将种薯均匀的放入沟内,覆土淹种。

3、中耕除草。中耕除草可以有效的防止土壤板结,使得土壤疏松透气,对植株根茎和匍匐茎的生长以及块茎的膨大都十分有利。一般情况下,土豆的生长期需要进行三次的中耕和除草,第一次中耕除草是在幼苗齐苗后,耕深要达到八厘米。第二次中耕是在距第一次中耕后的半个月时间,中耕要浅耕。第三次中耕除草是在土豆的现蕾期,耕深度在十厘米左右。另外,后面两次的中耕都要结合培土一起进行,防止薯块出现青肩现象,影响它的品质。

4、水肥管理。在苗期,土豆的株型不大,需水量较小,但是如果遇到长期干旱的环境,依旧要给它浇水,以加快幼苗的生长速度。当土豆生长到膨大期时,对水分的要求比较高,这时我们可以增加浇水量。平常浇水可以视土壤湿润情况进行,注意遇到多雨天气及时排出田间多余的水分,防止积水腐烂土豆的根系组织。对于土豆的追肥,越早越好,一般当幼苗苗齐之后,追施一次肥料,可以选用“沃叶套餐水溶肥”。在土豆进入膨大期时还要再追施一次肥料,这次追肥可以结合中耕除草一起进行,每公顷追施一百五十千克的尿素。有一点要注意,每次追肥之后都要浇水,一来可以使植株更好的吸收养分;二来可以稀释肥料,防止肥料灼伤植株的根部。

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