Plantation density was still a major factor influencing biomass of the five-year-old plantation.
此时林分密度仍是影响林分生物量的主要因子；
The precision of mixed model considering plot random effects, time series error autocorrelation and different plantation density at one time is better than that of ordinary regression analysis method.
同时考虑样地的随机效应、观测数据的时间序列相关性及不同初植密度的混合模型模拟精度比传统的非线性回归方法模拟精度高。
Why does density of vine plantation vary from vineyard to vineyard? Assess the advantages of low and high density plantings.
为什么不同的葡萄园会采用不同的种植密度？请评估高密度种植与低密度种植各自的优点。
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