1. Several reasons for the low yield of rapeseed:
1. Irregular management
Because of the existence of market factors, including the lack of understanding of the production of C.......
We are about to enter the winter solstice in the twenty-four solar terms. Around the winter solstice, the northern region has short days and long nights, the weakest sunlight, low temperature and high humidity, and unfavorable environmental conditi.......
After the temperature drops, the ventilation time of the shed will be shortened, and the closed shed time will be prolonged. Once the fertilizer is not applied properly, it is easy to cause fertilizer damage, such as root burning and air damage........
High-quality hybrid rape has a well-developed root system, a thick stem, a large leaf coefficient, many branches, large flowers, and many carobs. Not only is it of good quality, it also generally increases yield by about 30%.
According to .......
Single-grain fine sowing can ensure peanut seedlings, seedlings, seedlings, and seedlings to further improve seedling quality. Further measures such as rational close planting, optimization of fertilizer and water, and cultivating and cultivating .......
Summer cuttings are carried out by using the growing shoots or semi-lignified cuttings of the plants that year. The cuttings of the conifer species were carried out at the first growth capping, and before the second growth began, using semi-lignified cuttings. Broad-leaved trees use shoots.......
Fertilizer and water management: The growth potential of gourd is weaker than other melons, the growth period is short, and the results are gathered. In addition to the application of sufficient base fertilizer, multiple t.......
1. Seed treatment
Coriander seeds are difficult to germinate under high temperature conditions. Soak the seeds with 300 times 1% carbendazim wettable powder for half an hour before planting, then remove and wash them, then soak the seeds in .......
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In recent years, the obstacles to replanting ginger fields have been prominent, and the number of soil-borne pathogens has increased year by year, resulting in the frequent occurrence of rhizome diseases and root knot nematodes, and the yield and q.......
Vegetable farmers know that the high humidity in the shed is one of the main factors for the high incidence of diseases in early winter. If the humidity can be reduced to a suitable range, the incidence of vegetables in the shed will be greatly red.......
(1) Organic fertilizers contain a large amount of organic matter and have obvious effects on improving soil and fertilizing; chemical fertilizers can only provide inorganic nutrients for crops, and long-term application will cause adverse effects o.......