Northern Spring Rape District
Fertilization principle
(1) According to the regional soil nutrient status, make full use of the results of soil testing and formula fertilization technology, and scientific fertilization.
(2) Nitrogen application in divided doses to prevent post-fertilization. (3) Replenishing boron fertilizer, zinc fertilizer and sulfur fertilizer.
(4) Add organic fertilizer and use the hydrothermal resources after rapeseed to grow green manure.
(5) Improve the quality of planting and increase the planting density appropriately.
(6) Do a good job in soil collection and conservation, and use water and fertilizer synergy to improve nutrient use efficiency and promote rapeseed growth.
2. Fertilization advice
(1) The production level is below 100 kg/mu: nitrogen fertilizer (N) dosage 6 kg/mu; phosphate fertilizer (P2O5) 3 kg/mu; potassium fertilizer (K2O) 2 kg/mu; zinc sulfate 0.5 kg/mu; borax 0.5 kg/ mu.
(2) Production level 100~150 kg/mu: nitrogen fertilizer (N) 6~8 kg/mu; phosphate fertilizer (P2O5) 4 kg/mu; potash fertilizer (K2O) 2.5 kg/mu; zinc sulfate 1 kg/mu; borax 0.5 Kg/mu.
(3) The production level is above 150~200 kg/mu: nitrogen fertilizer (N) 8~9 kg/mu; phosphate fertilizer (P2O5) 5 kg/mu; potassium fertilizer (K2O) 2.5 kg/mu; zinc sulfate 1.5 kg/mu; borax 0.75 kg / mu.
(4) The production level is above 200 kg/mu: nitrogen fertilizer (N) 9~11 kg/mu; phosphate fertilizer (P2O5) 5~6 kg/mu; potassium fertilizer (K2O) 3.0 kg/mu; zinc sulfate 1.5 kg/mu; borax 1.0 kg / mu.
This article URL: Technical guidance on scientific fertilization in the spring spring rapeseed area in spring 2015
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