Cucumber in the shed does not grow "the culprit" is actually it
Recently, Master Wang, a cucumber grower in Qingxu County, reported that his cucumber shed has been planted for a month, and he feels that the leader is not long and the seedlings are very thin. The author found at the scene that the height of the shed is indeed uneven, and the growth is not prosperous overall. It is understood that this is the fifth year of the greenhouse. What is going on? Master Wang recalled the growth of vegetables in this shed a few years ago.
Master Wang said that the growth of the crops grown in his shed is uneven, and the year is not as good as the year. He himself has analyzed and thought that cucumbers do not grow as cucumber varieties. What is the actual situation?
The author found that the whole growing point of cucumber in the greenhouse is a pair of flowers and a pair of fruits. Under normal circumstances, the top of the cucumber plant should be the growth point, leading the plant to grow upward. Once the cucumber flower topping occurs, the vegetative growth of the plant will be inhibited, and no new leaves will grow, causing the cucumber plant to no longer grow upward. This inconspicuous phenomenon is a disaster for growers. In serious cases, it will reduce production by more than half! What is going on with this phenomenon? It turns out that this is called cucumber topping, which is an extremely common physiological disease in the process of greenhouse cucumber planting. Mostly it is caused by the unbalanced cucumber vegetative growth and reproductive growth.
Then I asked Master Wang for some information.
Author: Have you ever used chicken manure in your field?
Vegetable farmer: I used some this year, and used it together with pig dung. Even donkey dung added up to 80 to 90 cubic meters.
Author: None of your feces fermented?
Vegetable farmer: Chicken manure is covered with two layers of plastic sheet from spring to use.
Author: Didn't ferment with starter?
Vegetable farmer: No.
Author: How many times are these feces applied?
Vegetable farmer: One-time application, using a big plow into the ground.
At this point, the reason why the cucumbers in the shed did not grow has basically been cleared up. It turned out that the current situation was caused by some mismanagement of vegetable farmers. When using manure such as chicken, duck and donkey manure, they only covered it with plastic sheets, and they were not completely decomposed at all. Not only did it fail, but the roots were burned instead. Furthermore, if the amount is used too much, the seedlings have grown so high, and there is still a smell of manure in the shed.
Careful observation revealed that there is no main root under these roots of cucumber, and the lateral roots have no capillary roots. Even if they have, they have turned yellow. The root system is not pierced down, and some aerial roots are suppressed from above, and there are nematodes and root nematodes in chicken manure. It feels like a layer of salt residue, and the salt in the soil is too high.
Hey, after doing it for a long time, it was Master Wang's actions that hurt Cucumber! What should I do?
1. Watering quickly to reduce salt: Perform a flood irrigation to make the salt sink.
2. Reasonable use of chicken manure: try not to use chicken manure in this shed.
3. Multi-use microbial fertilizers: When planting again next year, use more organic fertilizers and biological bacterial fertilizers to condition the soil.
Fourth, focus on root growth: Watering cucumbers should focus on root growth, and use more fertilizer for root growth.
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