1. Used as base fertilizer. After ammonium chloride is used as the basal fertilizer, it should be watered in time to leach the chloride ions in the fertilizer to the lower layer of the soil to reduce the adverse effects on the crop. 2. Used as top dressing. In practice, ammonium chloride is most
Read MoreName of plant: Begonia fruit Latin name: Malusp runifolia Section name: Rosaceae Genus: Malus Adapt to the area: Northeast, North, Northwest North warm temperate deciduous broad-leaved forest (main cities: Shenyang, Huludao, Dalian, Dandong, Anshan, Liaoyang, Jinzhou, Yingkou, Panjin, Beijing
Read MoreI. Late blight: Leaves, ground stems, and underground tubers can all suffer. At the onset of the leaves, dark green spots began to appear at the tips of the leaves and leaves. There were light green halos around the lesions. The lesions quickly expanded and became brown when wet, with a white mold
Read Moreproject Technical Parameters Overall dimensions (length, width, height) (mm) 155026001200 Supporting power (Kw) ≥ 25.7 Rows 5 lines Line spacing (mm) 460~700 Work efficiency (hm2/h) 0.67~1.2 Disposable Nonwoven 3Ply Face MaskChild Disposable Facemask,,Civilian Protection Personal
Read MoreIn orchard and mountain terraced fields orchards on flat ground, most of the watering facilities are ridiculed between rows, and flooding is widely used when watering, and fertilizers are applied everywhere. This will not only waste water and fertilizer but also cause serious soil compaction. Here
Read MoreFirst, due to seedlings to fertilizer. If the soil is thin or the base fertilizer is insufficient, before the flowering, potassium sulfate 7.5 kg to 10 kg may be applied per acre, and the ditch may be applied to a subterranean plow layer. In the flowering period, the field where the plants can'
Read MoreRelease date: 2009-10-28 At the medical engineering conference, Yang Hai’s report of the Sixth People’s Hospital affiliated to Shanghai Jiaotong University was entitled “Evidence-based management and economic evaluation of medical consumablesâ€. His goal of medical cons
Read MoreVariety Selection Papaya varieties suitable for planting in the northern greenhouse include Hung Hom, Tai Nong No. 1, Tai Nong No. 2, Hawaii and Hongri. Among them, Hongri and Hawaii are small fruit varieties with an average fruit weight of 500-600 grams, and the other three varieties are larger.
Read MoreFirst, the pharmaceutical fumigation method fumigation method to prevent intrusion of fruit disease. Pears are first sealed with a plastic film, and then a fumigant (such as acetaldehyde) is placed in a sealed plastic film so that the fumigant concentration in the plastic film reaches 0.5% for 180
Read MoreWusu City has sufficient sunshine, high summer temperatures, large temperature difference between day and night, low rainfall and good irrigation conditions, which is conducive to growth and development of cotton. In order to prevent miscellaneous degradation, maintain good variety, and accelerate
Read MoreVariety Name: Welfare Validation No.: Yushen Watermelon 2009011 Breeding unit: Henan Qingfa Seed Industry Co., Ltd. Variety source: QZ-26QH-02 Characteristics: It is a late-maturing variety, which has a total growth period of 105 days and a fruit development period of 32 days. The first female
Read MoreTrace elements play an important role in the growth and development of wheat, which can not be replaced by a large number of elements (such as nitrogen, phosphorus, potassium, etc.). Scientifically increasing trace element fertilizers is an important technical measure for the high and stable yield
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