Water and fertilizer integrated special fertilizer for young catalpa bungei forest and fertilizing method
A fertilization method and a special fertilizer technology, which are applied in the field of agriculture, can solve the problems of few research reports on fertilization of catalpa plantation and blank research on the integration of water and fertilizer of catalpa
Pending Publication Date: 2021-07-30
SOUTH CHINA AGRI UNIV
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Problems solved by technology
[0004] In previous studies, domestic experts and scholars have carried out a lot of research work on the research and development of catalpa fertilization technology, but mainly focused on the morphology and physiological response of catalpa seedlings, and few research reports on fertilization of catalpa plantation. The research on tree water and fertilizer integration is still blank
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Embodiment 1
[0066] The total amount of fertilization in the first year of afforestation is: N (24g / plant), P 2 o 5 (8g / plant) and K 2 O (16g / plant); the total amount of fertilization in the second year is: N (28.8g / plant), P 2 o 5 (9.6g / plant) and K 2 O (19.2g / plant); the fertilization season is from May to September; the fertilization frequency is once every 10 days; the amount of each fertilization is the same in the same year, and the liquid fertilizer adopts urea (H 2 NCONH 2 ), ammonium dihydrogen phosphate (NH 4 h 2 PO 4 ) and potassium sulfate (K 2 SO 4 ) for configuration, and the quantity is calculated according to the total amount of fertilization and fertilization frequency per year.
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The invention relates to a water and fertilizer integrated special fertilizer for young catalpa bungei forests and a fertilization method. The water and fertilizer integrated special fertilizer comprises a first-year special fertilizer and a second-year special fertilizer, the first- year special fertilizer is prepared from the following components in parts by weight: 22 to 26 parts of N, 7 to 9 parts of P2O5 and 15 to 18 parts of K2O; and the second -year special fertilizer is prepared from the following components in parts by weight: 27 to 31 parts of N, 8 to 12 parts of P2O5 and 18.5 to 21 parts of K2O. By means of the method, the yield and quality of the catalpa bungei young forest can be effectively improved.
Description
technical field [0001] The invention relates to the field of agriculture, in particular to a special fertilizer for the integration of water and fertilizer for young catalpa forests and a fertilization method. Background technique [0002] Catalpa bungei is a precious and high-quality timber tree species traditionally cultivated in warm temperate and subtropical regions in my country and a famous ornamental tree species in gardens. For a long time, the country and the government have attached great importance to the promotion and development of catalpa. At present, the supporting cultivation techniques such as irrigation and fertilization are relatively lacking, and, as a precious fast-growing tree species, when it is planted in a large area (especially in arid areas), its consumption of water and fertilizer resources is easily affected by society. of general concern. At present, the traditional management method leads to a serious waste of fertilizer and water resources i...
Claims
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IPC IPC(8): C05G1/00A01C21/00
CPCC05B7/00A01C21/007A01C21/005C05C9/00C05D1/02Y02P60/40Y02A40/22
Inventor 何茜邱权李吉跃解孝满关追追苏艳韩庆军卢奇锋赵江宁李盛婷徐秋宇
Owner SOUTH CHINA AGRI UNIV
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