Irrigation and fertilization in potato cultivation are two important steps that directly affect the yield and quality of potato harvest. If you want to get high yields, you need to pay attention to the following points:
1. Only use white and black liquid fertilizer, no organic fertilizer, no spray fertilizer.
2. White manure and black manure cannot be mixed in the fertilizer tank at the same time. Apply white fertilizer first, then apply black fertilizer. 60 kg per barrel.
3. Fertilizer should be dissolved in the fertilization tank to be more than 10 times more water. Do not pour all the fertilizer into the fertilization barrel at the same time.
4. When the soil is dry, the fertilization time is completed within one to two hours. Drip the water for 10 minutes first, then make the pipe full of water and start fertilizing. After the fertilization is completed, continue to drip for 20 minutes, and drain all the fertilizer in the pipe. Otherwise, it may grow moss at the dripper and block the dripper.
5. When the soil is not dehydrated or rains continuously, fertilization is carried out as it is. The water is first dripped for 10 minutes, and the fertilization is started. The fertilization time should be controlled within 20-30 minutes. After the fertilization is completed, the water is not dripped.
6. The root distribution of potato is mainly about 25 cm below the soil layer. Drip irrigation mainly wets the root layer, so always check the water condition around the root system. Dig the soil around the root system and grasp the soil by hand. It can be kneaded into a mass to indicate that the water is sufficient. If it is not enough to indicate that it is not enough water, start drip irrigation. Generally, the drip irrigation time is 1.5-2.0 hours, and it is better to use a small amount as many times until the root layer is wet. Each dripper has a water output of 1.4 kg in 1 hour.
7. It is very important to grasp the time of fertilization. If the fertilization time is too long, the fertilizer will be washed under the root layer and will not be absorbed, resulting in waste of fertilizer and production.
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