Watermelon base fertilizer claims to apply 80 pounds of 15-15-15 compound fertilizer plus 20 pounds of diamine can be, so that we can meet the requirements of watermelon seedling period.
2. Is it reasonable to add 15-15-15 compound fertilizer with diamine and potash fertilizer as base fertilizer?
Watermelon's demand for potassium at the seedling stage is not high, and blindly applying dregs that will form fertilizer will also affect normal plant growth.
3. How can magnesium be used as an effective supplement to magnesium due to bacterial leaf blight caused by magnesium deficiency?
With respect to bacterial leaf blight caused by magnesium deficiency in the region, and to efficiently compensate for magnesium, it can be considered to add some zinc at the right time when magnesium fertilizer is applied, because zinc will promote the absorption and application of magnesium in watermelon. Together to remind you: excessive nitrogen, potassium and sulfate will hinder the absorption and application of magnesium, so it must be manipulated in the seedling stage.
4. After the watermelon is sitting on the melon, the fertilizer should be fertilized after several times. What formula is better?
About the top dressing of watermelon after sitting on melon, first of all, the use of high-potassium formula is the right choice in this period. The use of 15-4-26 fertilization on behalf of the owners is completely no problem, but according to the characteristics of cultivated watermelon plots, the number of top dressings should be The difference is that the sandy land is poor in water retention and fertility, and then it should be topdressed for 3-5 times after sitting on it. Loamy soil, clay, and black soil have poor ability to preserve fertilizer because of its poor water permeability. - 3 times to be satisfied with the nutrients needed for the expansion of the watermelon.
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