How to add organic matter to pasture?
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Proper management of grazing promoted increased levels of particulate organic matter by association with larger aggregates (2–8 mm), demonstrating the importance of the formation of this aggregate class for C protection in pasture. | |
These new concepts lend support to agricultural management approaches that promote continued input of labile organic substrates as a means to build soil organic matter for fertility and environmental goals, such as carbon sequestration. | |
Lower ratios of net mineralized N to total organic N in both grazed compared to nongrazed treatments suggest that long-term grazing decreased the readily mineralizable fraction of soil organic matter. | |
Application of organic and inorganic fertilizers on natural pasture generally showed very good yield responses and have a great effect on botanical composition and quality of pasture species. | |
229 Citations | To improve soil fertility, efforts need to be made to increase soil organic matter content. |
179 Citations | Balanced and integrated use of organic and inorganic fertilizers may enhance the accumulation of soil organic matter and improves soil physical properties. |
Annual rates of immobilisation of nitrogen, sulphur, and phosphorus in organic forms may be quantitatively important when compared with the amounts needed to maintain good pasture growth. | |
48 Citations | The results indicate that additions of organic matter from various sources differ in the effects on soil organic matter and biological activity. |
The experimental results showed that the soil organic matter appeared efficient in discriminating soil quality between degraded forest/pasture, as well as between degraded capoeira/pasture. | |
A further benefit of this strategy is an increase in soil organic matter. | |
Pasture management can have important implications on the amounts and long-term stability of soil organic carbon (SOC). | |
The decomposition and subsequent mineralisation of the relatively N-rich organic matter fractions in the pasture system may have contributed to the significantly (P < 0.05) greater DOC, DON, and SMN concentration measured in soil solutions under pasture compared with those under native bush. | |
However, the potentially mineralisable organic N is increasing, which requires a further monitoring of the soil N dynamic as the pasture ages. | |
Reversion of cropland to perennial pasture has also been found to result in discouragingly slow soil organic matter restoration. | |
785 Citations | These observations suggest that quantification of organic-matter cycling may provide an important guide to the agricultural potential of soils. |
Related Questions
How does organic matter influence soil fertility?5 answersOrganic matter plays a dynamic role in maintaining and improving soil fertility. It influences various physical, chemical, and biological properties of the soil, including soil structure, water retention, nutrient availability, microbial activity, and root growth. Organic matter increases soil organic carbon (SOC) content, which enhances nutrient storage and availability. It also improves soil structure, texture, and water holding capacity, leading to better nutrient and water retention. Additionally, organic matter can detoxify harmful substances in the soil and bind toxic heavy metals, making them unavailable to plant roots. The inclusion of organic amendments, such as manure or compost, can increase crop yield and partially replace artificial nitrogen fertilizers. Overall, increasing organic matter content in the soil through the application of organic fertilizers can enhance soil fertility and contribute to sustainable agriculture.
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