Nowadays, there are quite a lot of orchards in rural areas in China. There are often fruit farmers complaining that their own fruit trees often deciduously drop fruit, and the yield is not high. In fact, this is also related to the orchard soil co.......
A: The general bagging time is 35-40 days after flowering. The medium-ripening kiwifruit can be bagged from June 5th to 25th, and the late-maturing varieties can be bagged from July 5th to 15th. Bagging premature fruit stalks will affect the norma.......
In the autumn, the canopy of the pineapple plant excavates an annular groove with a depth of 35 to 40 cm, and then applies 3 to 4 kg of superphosphate or calcium magnesium phosphate per plant for 5 years or more, 2 to 3 kg. Potassium chloride or p.......
In the autumn, the canopy of the pineapple plant excavates an annular groove with a depth of 35 to 40 cm, and then applies 3 to 4 kg of superphosphate or calcium magnesium phosphate per plant for 5 years or more, 2 to 3 kg. Potassium chloride or p.......
Winter irrigation is to irrigate the fields during the winter, so that the soil can increase the water storage capacity and prevent the spring drought in the coming year. This method is commonly used for winter wheat planting in northern China to achieve the purpose of increasing productio.......
Characteristics: Blown film is formed by adding 2% to 3% of black masterbatch to polyethylene resin.
Advantages: Reduce ground temperature, suppress weeds, maintain soil moisture
Disadvantages: low light transmittance, slower warming, less than transparen.......
The abnormal color of green moss, red frost and white alkali in the greenhouse soil is mainly the performance of soil salinization. Then, how should the vegetable farmers avoid the salinization of the greenhouse soil, thus reducing the appearance .......
Anti-harm
Most areas are rainy, the stems and leaves of sweet potato plants grow rapidly, and the nutrients do not go upwards. At this time, attention should be paid to drainage, that is, the water in the area should be quickly removed af.......
September 22 is the autumn festival. In the autumnal season, most of China's regions have entered a cool autumn. The cold air in the south meets the gradually attenuating warm and humid air, resulting in repeated precipitation. The temperature.......
Generally, for every 100 kilograms of fruit produced, 1.7 kg of nitrogen, 1.5 kg of phosphorus, and 1 kg of potassium are required. The appropriate ratio of nitrogen, phosphorus and potassium is 1:1:1 or 1:2:1, the fruit tree is 1:1:1, the result .......