Due to the low temperature in winter, some fertilizers are more suitable for application, while others are not suitable.

It is suitable to apply ammonium carbonate in winter, the temperature is low, and ammonium carbonate is not easy to vo.......

Winter pruning of chestnut trees in winter should be arranged from mid-December to January of the following year. For chestnut trees that have entered the full fruit period, diseased insects, overlapping branches, vernal branches, Cross branches, .......

Proactive method

Results In the early stage of the early stage, in the early stage of the results, when the lower backbone branches were fully assembled and the tree was about 2 meters high, the center leaders should be asked to "swin.......

A: This phenomenon is mainly caused by the large amount of fruit left, the lack of nutrition, the lack of boron and calcium, and other trace elements and diseases. This requires timely fruit thinning, control of the amount of fruit, and sufficient.......

Tomato is a vegetable with strong light, and lack of light will cause flowers and fruits to fall. Protected field production can be hung on the north side of the greenhouse with reflective screens, and at the same time, it should be properly spars.......

First, choose the variety

The carrots sown in spring and summer are selected from crisp, sweet, and palatable varieties; the carrots sown in autumn are selected from high-yield varieties.

Second, the main points of cultivation

Young tree pruning .......

At present, the soft-seed (nucleus) pomegranate varieties that are widely promoted in China include Tunisian soft-seed pomegranate, carmine soft-seed pomegranate, and Zhongnong soft-seed pomegranate.

1. Tunisian soft seed pomegranate. The.......

1. Do a good job of heat preservation, insist on opening the grass cover in the morning and night, and close the air vent in time to ensure the proper temperature for plant growth.

2. Strengthen the insulation and warming measures in the n.......

Deep turning fertilization is based on the growth characteristics of grape roots, transforming soil permeability, increasing fertility levels, promoting root growth, and ensuring an important material basis for grape growth throughout the year. In.......

1. For cotton fields with cotton dysfunction, timely apply peach fertilizer to prevent premature aging of cotton and promote multiple knotting; for cotton fields with more bells in the early stage, in order to meet the needs of a large number of r.......

Studies have found that enhancing glutamate kinase activity kills tuberculosis

June 27, 2019 Source: Science Network