Reasonable fertilization can promote the establishment of high-energy populations and achieve the synchronization of the three phases of the metabolic function of cotton plants, the peak period of fertilizer release, and the rich illumination period of local light and temperature resources. High-yielding cotton fields must exchange high yields with high input. Fertilizer development must focus on the principle of “early, stable, sufficient, and longâ€. On the basis of cultivating strong seedlings, “applying an ankang fertilizer, supplementing tree fat, and reapplying flower bell fertilizer , Pu Shi cover top fertilizer, add long peach fertilizer." Truly "early early early buds, long-term stable long-term take the shelf, the late full-foot increase peach weight."
The data show that cotton is a nitrate-like nitrogen crop, and its yield is affected by the content of soil nitrate, and the quality is affected by the proportion of nitrogen and phosphorus. Phosphorus is needed in cotton for a lifetime, and the emergence of 10 to 25 days of flowering and the period of flowering and bolling are critical periods of phosphorus nutrition. Phosphorus is needed for 60 days after flowering.
The nitrate-nitrogen content in the Tianfei phosphate phosphate fertilizer and the ratio of nitrogen to phosphorus of 2:1 were in good agreement with the nitrogen and phosphorus nutrient conditions required by high-yielding and high-quality cotton. Rare earth nitrates in fertilizers promote and coordinate in the growth process of cotton. The nutrient of nitrogen and phosphorus in an acute and gentle manner conforms to the growth law of cotton. Whether it is used as base fertilizer or top dressing, it cannot be compared with conventional fertilizers.
According to the target yield and fertilizer requirements, based on the application of organic fertilizer, Mushi 30 kg Tianji brand phosphorus nitrate potassium as the base fertilizer, flower buds 15 acres of topdressing nitrate phosphate fertilizer, flowering and bolling phase of the application of nitrate and potassium phosphate 30 kg. The amount of medium and low yield fields should be reduced.
The best quality red Fuji apple with a diameter of 70mm is selected. Natural green, pollution-free, sweet and juicy pulp, high quality red Fuji.
Organic apple, as its name implies, is from the organic agricultural production system, according to the organic certification standard production, processing, and certified by the independent organic food certification body and Apple products. Apples produced according to the organic food planting standards and production and processing technical specifications and certified and certified by the organic food certification organization. In the process of production and processing of apple, the use of synthetic substances such as pesticides, fertilizers, herbicides, synthetic pigments, hormones and other synthetic substances are absolutely prohibited, which conform to the requirements of the ecological system.
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