Soil carbon fluxes and balances of crop rotations under long-term no-till.

ABSTRACT:

Background

A field study with the same crop rotations was conducted to test the hypothesis that the soil Carbon fluxes and balances could vary according to the crop species and also mitigate carbon dioxide (CO₂) emission. This study aimed to assess the CO₂ emission from crop rotations according to C and N inputs from crop residue, the influences on soil organic carbon (SOC) and total soil nitrogen (TN) stocks, identifying the soybean production systems with positive C balance. Triticale (x Triticosecale) or sunflower (Helianthus annuus) are grown in the fall/winter; sunn hemp (Crotalaria juncea), forage sorghum (Sorghum bicolor), pearl millet (Pennisetum glaucum), or fallow are the spring treatments, and soybean as a main crop in summer.

Results

We foun

SUBMITTER: Rigon JPG 

PROVIDER: S-EPMC7493943 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature