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  • Công bố khoa học và công nghệ Việt Nam

68.35.05

Nguyễn Quốc Hiếu, Hồ Quang Đức(1), Nguyễn Như Hà

Nghiên cứu một số tính chất đất đỏ bazan trồng cam ở Phủ Quỳ - Nghệ An

Research on some characteristics of the Rhodic ferralsoils under orange cultivation at Phu Quy, Nghe An province

Nông nghiệp & Phát triển Nông thôn

2012

3

38-42

0866-7020

Rhodic ferralsoils in Phu Quy area is suitable for many fruit and perennial trees. They are characterized by a deep soil profile and goos physic properties. The research results showed that the rhodic ferralsoils in Phu Quy have a soil profile depth is more than 1.2 m; soil porosity is higher than 65 percent, soil fertility is highly suitable for growing orange. As a results, the rhodic ferralsoils in Phu Quy are limited by following factors: the content of organic agents is medium (1.97-3.58 percent); soils are acidic (pH 3.89 - 4.68), low in total potassium (0.27 - 0.52 percent), low in available phosphorus (4.82 - 13.68 mg/100g soil), low in Ca2+ (2.41 -5.47 me/100g soil). It is necessary to apply lime for increasing soil acidity, add organic fertilizers, phosporus, potassium for orange on these soils.

TTKHCNQG, CVv201