The management of fertilizer and water in late growth period of pepper
1. During the middle and late growth period of top-fat peppers, the plants have more fruits and they need more fertilizer. Good soil and sufficient base fertilizer can be combined with water-soluble fertilizer (N:P:K=2:1:2) 10 kg or urea 10 kg plus KS 7.5 kg. The base fertilizer is not applied with organic fertilizer and top dressing. Insufficient, premature failure performance plots, each time after picking, combined with watering mu application of water-soluble fertilizer (nitrogen: phosphorus: potassium = 2:1:2) 10 kg or urea 10 kg plus potassium sulfate 7.5 kg, even applied 2 -3 times.
Second, make up the foliar fert fruit period and after each harvest, spray 0.3% potassium dihydrogen phosphate solution or 1% of superphosphate or 1-2% potassium nitrate solution, every 7-10 days Spray 1 time, spray 2-3 times in total, it can increase the weight of single fruit, make the fruit bright and beautiful, and improve the level of pepper.
Third, the water management to harvest fresh pepper-based pepper fields, after each harvest, according to the appropriate watering conditions, generally every 7-10 days, pouring a water; to harvest dry pepper-based land suitable for the late Control water and stop watering 15-20 days before harvesting; peppers are not tolerant to drought and are more afraid of earthworms. If there is less rain, watering should be done a few times. If there is accumulated water, it should be eliminated in a timely manner, otherwise it will cause the death of fallen leaves. .
PCR ( Polymerase Chain Reaction)
It provides a way to make more copies of a portion of DNA.
We need to have PCR ingredients that include DNA portion, Buffer solution, Primer+DNA (tap polymerase), and Nucleotides during the preparation step.
In the step of PCR sequence, there are three steps in this section.
Step 1 Denaturation
The addition of heat is needed to separate the two strands of the DNA molecule.
Step 2 Annealing
Temperature, is going to be cool in this step, should allow the primers to bind to the specific segments.
Step 3 DNA Synthesis
To make more copies of the DNA.
Those three steps above keep repeating to make enough copies of the DNA fragments. It is the principle of how PCR machine works.
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