· head for和head to的区别： 1、head for表 示“向 ... 进发”。 2、head to 一般要用 head sb. to，意思是“把某人一路带到 ...”。 3、在非正式英语中 head for 和 head to都可以表示“引出 ...结 … 求head for和head to的具体区别1、用法不同head 若要具体表示去某个地方，其后可接介词for, to, towards表示目的，用for。例句：We had better head for home. 我们还是回家吧。表示方向，用to, … · head for和head to的区别①head to朝某地走去②head for v. 出发, 动身, 前往 ③head 用作动词时，可以表示“朝某方向行进”。若要具体表示去某个地方，其后可接介词for, to, towards，其原 … Headlettuceproblems that prevent tight forming leaves also include spacing. Transplant the seedlings 10 to 12 inches (25-31 cm.) apart in rows 12 to 18 inches (31-46 cm.) apart. For lettuce growing tips see Lettuce Growing Success Tips at the bottom of this post and How to Grow Lettuce. Here are common lettuce-growing problems with cures and controls In my experience, getting these three elements right solves the headingproblem for about 80% of gardeners. Think of them as the foundation of successful headlettuce cultivation. Loose-leaf lettuce and headinglettuce appreciates shade outdoors, so don’t put a grow light close to the plant. To begin starting seeds, give them at least 14 to 16 hours of light. 'Ithaca' Headlettuce strain; grows well in NC. 'Jericho' Romaine lettuce; forms a green-leafed head; heat tolerant, good for spring planting. From The Garden Forum: I have trouble with headlettuce forming a head...Is there any tricks out there...I have iceburg planted and I live in western PA zone 6Thanks Rock. 5,000 Seeds Iceberg Lettuce Seeds This lettuce takes about 80 days to mature. This has a large firm head and tight leafs. It is a reliable crisp head type of lettuce. Read our detailed post on growing lettuce first as that will give you a great head-start. Environmental Problems. The heart of the lettuce bowl. There is no end to lettuce season at Seed Dynamics. We process lettuce seed 365 days a year.Lettuceproblem #2: Heat sensitive. LettuceHeadLettuceProblems What To Do For No Head On Lettuce Plants.Lettuce Picking LettuceHeads How To Harvest Lettuce. All you need to know about sowing, planting, caring for and harvesting lettuce. Expert Grow Guide from BBC Gardeners' World Magazine. Ants and Heads of Buttercrunch Lettuce. Why Are Ants on My Lettuce? Ants are both beneficial and detrimental to your garden. On the plus side, they do the following Tipburn can be a particular problem in summer green-house conditions when there are naturally high DLIs.leaves of headlettuce. The and low humidity, which electrical conductivity (EC). The key to growing vegetables indoors is choosing the easiest varieties so there is less maintenance and fewer problems.Headlettuce does not grow well indoors.
