This is why you are not supposed to use fresh manure as food for your plants. It can even retard the growth of crops or lead to excessive vegetative growth. The symptoms of deficiency are not well defined, but usually a slight interveinal mottle develops on the lower leaves, this symptoms spreads up the plant. Farmers are concerned too because many use large amounts of nitrogen for their crops. When choosing a granular fertilizer, pay attention to the three number code on the bag. Too much nitrogen is not good since it can cause fertilizer burn. I ended up using the Tomato Tone for all of my vegetables including tomatoes (like lettuce, asparagus, cucumbers, melons, etc). Cucumbers are very sensitive to cold, and the plants as well as the fruit can be injured by even a slight frost. Pick your cucumbers often to encourage the plant to keep producing. In this case, a side-dressing of fertilizer … As they mature, cucumbers require less feeding. Tender seedlings can be easily burned by too much fertilizer . On the other hand, deformities in cucumbers could mean there were insufficient nutrients in the soil right from the get-go. It does this by delivering all the good stuff your cucumber needs (stuff like nitrogen, phosphorus, and … An 8-8-8, 10-10-10 or 12-12-12 fertilizer is good for cucumbers. Cucumbers turn white from two reasons, not enough sun on the fruit and from too much moisture. Hydroponically grown cucumbers develop zinc deficiency when plants have too low zinc in the nutrient solution. Vegetables that require a low level of nitrogen include cucumber, carrots, fava beans, peas, radish, parsnip, turnip and rutabaga. Fertilizer can be worked into the soil before planting begins, or it can be added after the cucumbers have been planted. Normal zinc levels in hydroponic solutions runs at 0.1-0.5 ppm. Hello, Last year I used Espoma Tomato Tone which is an organic vegetable fertilizer 3-4-6 that also contains 8% calcium to help with blossom end rot. This is a concern for people with a few plants because cumulatively in landscapes the amount adds up quickly. They also sell Garden Tone which is 3-4-4 and does not have calcium. One of the reasons cucumbers turn bitter is a lack of nutrients which comes from your lack of adding fertilizer. If you add too many nutrients excess fertilizers are leached into our ground water, rivers and oceans. Too much fertilizer can be bad for the environment. An all-purpose water soluble fertilizer will work fine. Too much fertilizer in the. It can also increase the total output of the plant. Types of Over-Fertilizing. You can also use a balanced granular fertilizer. Besides adding too much fertilizer at once, it's possible to over-fertilize in less apparent ways, too. Sometimes too much fertilizer can cause deformed cucumbers. Fertilizing Cucumbers After the cucumber plants have produced blossoms, it may be beneficial to apply a balanced, all purpose fertilizer. A low nitrogen ratio in fertilizers is 5-10-10. Like with most plants, using a good fertilizer can yield bigger cucumbers. Sometimes fertilizer builds up when soil doesn't drain well. We would speculate that it was probably too much moisture. It is too high in nitrogen, and is a common cause of fertilizer burn. The Importance of fertilizer for cucumbers. Any type of fertilizer can harm your plants when there is too much of it, but you generally find fertilizer burn when you have excess nitrogen. It is eaten in a variety of ways: raw in the salad, cooked or pickled.