Conflict between soil nutrient supply and crop demand is one of the technical bottlenecks influencing organic crop production.
土壤养分供应与作物需求间的矛盾是影响有机种植作物产量的技术瓶颈之一。
The results indicated that the soil organic matter and total N of 26-year-old PBCA stand increased. the activities of soil biochemistry strengthened. the amount of available nutrient supply enhanced.
得出结果：26年生杉阔轮栽模式土壤有机质和全N含量增加．土壤生化活性加强．土壤速效养分供应量增强；
Single organic fertilizer, improved soil quality, but the nutrient supply for crops not in time, and resulting in lower production;
单施有机肥，土壤质量改善明显，但对作物养分供应不及时，造成产量较低；
Mastering the supply ability of soil nutrient is the basis of scientific fertilization.
土壤测试是了解土壤养分状况，进行科学施肥的基础。
Mastering the supply ability of soil nutrient is the basis of scientific fertilization.
土壤测试是了解土壤养分状况，进行科学施肥的基础。
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