Fertilizer special for soybean

Abstract

The present invention relates to a special-purpose fertilizer for soyabean. It is characterized by that it comprises nitrogen, phosphorus and potassium, also includes additive with slow-releasing action and special-purpose microfertilizer. The weight percentage of nitrogen, phosphorus and potassium is 0.4-1:0.1-0.3:0.2-0.4. Said invention is complete in nutrients and reasonable in formula, can fully meet nutrient requirement for soyabean growth and development process, also contains the nutrient components of nitrate nitrogen, sulfate radical, boron and molybdenum, so that it is favorable for soyabean nitrogen-fixing root nodule.

Description

technical field

[0001] The invention relates to a special fertilizer, in particular to a special fertilizer for soybeans. Background technique

[0002] Soybean is an annual herbaceous plant belonging to the family Fabaceae. According to the light sensitivity and temperature sensitivity among varieties, as well as different farming systems and sowing dates, they can be divided into four types: spring soybean, summer soybean, autumn soybean and winter soybean. Soybean is an important grain and oil crop, and is famous all over the world for its high oil content and good quality. Soybean grains contain 42% protein, 20% fat, and 30% to 33% sugar. Its protein content is 2 to 4 times higher than that of wheat, corn, rice and other grains, and it contains 8 kinds of essential amino acids, and is rich in vitamin A and vitamin D. It has high nutritional value and is known as "vegetarian meat". Bean crops are commonly planted in my country, both in the north and the south, especiall...