Soil variability vs potato productivity

• Autorzy: Sawicka B.
• Języki publikacji: EN

Abstrakty

EN

This study is based on the results of the field experiment carried out in 1990-1992 on the soil of mechanical composition of light loamy sand. The yield and tuber structure of the crop of potato tubers of 37 varieties were evaluated. A positive effect on the crop and mass of the tubers of ϕ 4-5, 5-6 and >6 cm was exerted by the July and August rainfalls, the May and June rainfalls resulted in enlarging the tuber mass by ϕ<3 cm, and decreasing the share of the remaining tuber size fractions. The increase in atmospheric temperature in July and August caused a drop in tuber yield, and also the tuber mass of ϕ 5-6 and >6 cm in diameter. Heightening by a unit the abundance of as- simiable phosphorus and potassium in the soil at its mean level of 15.7 and 21.9 mg/100 g soil, respectively, resulted in an increase of tuber mass in the crop by ϕ<3, 3-4, 4-5 cm, and a lowering of tuber mass in the largest crop. The transition from slightly acid to neutral soil reaction caused a drop in the crop as well as the proportions of small and medium tubers and an increase in the share of marketable tubers.

Słowa kluczowe

EN

weather condition; yield variability; Solanum tuberosum; temperature; phenotypic variability; air humidity; environmental variability; water; soil variability; plant cultivation; potato; productivity

• Wydawca: -
• Czasopismo: Acta Agrophysica
• Rocznik: 2001
• Tom: 52
• Opis fizyczny: p.235-243,fig.

Twórcy

autor

Sawicka B.

• University of Agriculture, Akademicka 15, 20-950 Lublin, Poland