chernozem
- 1. The effect of application of organic materials on improving the fertility of Chernozem was studied with two-year pot culture experiments.
- 通过两年的盆栽试验，研究了有机物料对黑钙土的培肥作用。
youdao
- 2. Rhizo-box and field cultivation methods were used to study the delpletion and accumulation of organic P in maize rhizosphere on blackland and chernozem.
- 利用根盒培养和田间栽培方法，研究了黑土和黑钙土玉米根际有机磷的亏缺和积累的状况。
youdao
- 3. Elaborate environment characteristic of chernozem soil area, analysis feasibility of planting licorice with ecological benefit? zoology benefit? society benefit and production technology.
- 阐述了黑钙土区的环境特点，从经济效益、生态效益、社会效益及生产技术等方面分析了种植甘草的可行性。
youdao
- 4. The results showed that the contents of organic matters in soil and heavy fraction were markedly increased and the agrochemical properties of Chernozem were improved by applying organic materials.
- 结果表明：用有机物料培肥土壤时，可以提高土壤有机质和重组有机质的含量，改善土壤的农化性质。
youdao
- 5. The results showed that the contents of organic matters in soil and heavy fraction were markedly increased and the agrochemical properties of Chernozem were improved by applying organic materials.
- 结果表明：用有机物料培肥土壤时，可以提高土壤有机质和重组有机质的含量，改善土壤的农化性质。
youdao
