In the spring of this year, experts in agriculture, soil and fertilizer in Jilin and Heilongjiang put forward six kinds of scientific fertilization techniques and fertilizers worthy of popularization such as balanced soil fertigation based on the situation of China's agriculture and rural production in Northeast China in particular.
Promote Soil Testing and Balanced Fertilization Technology
Balanced soil fertigation is a major reform in China's fertilization technology. It is a comprehensive use of modern agricultural scientific and technological achievements and scientific and technological means to first measure the soil to understand soil nutrient supply performance, and then integrate the law of crop demand fertilizer, under the conditions of organic fertilizer. The appropriate amounts and proportions of nitrogen, phosphorus, potash, and trace fertilizers were proposed, and fertilizers were directly applied to the crops.
Increase the number of organic fertilizers used, do a good job of building the ground and maintain the balance of the land
The majority of rural areas should actively organize human and material resources, engage in organic manure accumulation, and implement the construction of “three facilities†where “people have toilets, livestock and poultry, and households have accumulation pitsâ€. At the same time, they should also mobilize farmers to use all available resources. The organic fertilizer resources are collected and piled up for decomposing and utilization to ensure the input of organic fertilizers for crops. The application of organic fertilizer is more than 1500 kg per mu, so as to achieve the goal of combining the use of land and land and increasing production of fertilizer land.
Promotion and application of special compound fertilizer for crop series
The special compound fertilizer for crop series is a physical product of formula fertilization technology. It contains various nutrient elements such as nitrogen, phosphorus, and potassium needed for the growth of crops. It solves the long-standing problems in rural areas such as difficulty in distribution and fertilizer purchase. Compared with simple fertilizer or conventional fertilization, the increase can reach 15%.
Promote efficient, pollution-free and environmentally friendly fertilizer
Bio-organic compound fertilizer is an agricultural technology project that has been promoted by the Ministry of Science and Technology and the Ministry of Agriculture in the country. The technological achievement is a domestic initiative, ranking first in the world. It is made up of organic fertilizer, inorganic fertilizer, fungus fertilizer and synergist. The "four-in-one" fertilizer. Application of Potassium Fertilizer Potassium fertilizers on potassium-deficient soil can generally receive the effect of increasing production. In addition to the addition of organic fertilizer and dry land crop straw to the field to supplement soil potassium, the application of chemical potash fertilizer is the most direct and most effective method to supplement soil potassium and supply crop nutrient potassium.
To promote boron application in boron-bearing crops, and new technologies such as applying zinc to rice, wheat, and corn, and using molybdenum seed dressing for wheat and peanuts
Boron, cotton, fruit trees and other boron are generally applied to the base, 0.5-1.0 kg per acre, can also be used foliar spray, 100-200 grams per acre, 40-50 kg of water; rice, wheat, corn, zinc Mainly for basal fertilizer application, generally 1-1.5 kg of zinc per acre; molybdenum fertilizer seed dressing is generally about 12 grams of molybdenum fertilizer.
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