Potato premature aging refers to a series of "false ripening" phenomena that appear to be deciduous and dead before the harvesting season, which appears to be mature, but actually does not reach natural physiological maturity. The occurrence of p ---MORE---
1. Regulating growth pruning method 1. Regulate the strength of growth. In terms of period, to strengthen growth, winter should be heavy in summer, and winter should be cut in advance. On the contrary, winter is lighter than summer, and winter cut is delay ---MORE---
1. Try to use fermentation or clinker cultivation; the cultivation bed of Agaricus bisporus should use fermented materials. Adding 0.5% salt, 3% lime, 5%-8% plant ash, etc. when mixing the material, it has better insect repellent and preventive effects. 2. ---MORE---
Some fertilizers can improve the quality and yield of vegetables, but some fertilizers can increase the yield of vegetables, but they will pollute the vegetables. Ammonium nitrate and other nitrate nitrogen fertilizers are generally not suitable for veget ---MORE---
Fertilization spring is the season with the slightest amount. The quality and quantity of the branches directly affect the output of the year. Therefore, the fertilizer must be applied. The saplings apply about 0.1 to 0.3 kg of urea per plant, and the mat ---MORE---
The grafting method commonly used in fruit tree growth can be carried out in spring, summer and autumn, with autumn being the most suitable, and the general survival rate is above 90%. If the grafting is too early, the bud development is not yet sufficient ---MORE---
Look at the season. Winter temperature is low, plant growth is slow, most flowers are in a state of stagnant growth, generally no fertilization; spring and autumn are in the peak period of flower growth, root, stem, leaf growth, flower bud differentiation, ---MORE---