downland

Effect of applied K Fertilizer in downland drab soli on sweet potato yield and quality

岗地褐土施用钾肥对甘薯产量和甘薯品质的影响

The main factors influencing the wheat yield in downland were initial nitrogenous dressing, the amount of nitrogenous fertilizer applied for differ-ent leaf age and close fertilization.

对模型进行解析，找出了影响五区小麦产量较大的因子是氮基肥、不同叶龄追施氮肥和密度。

From the type of tobacco-growing soil it could be concluded that the average content of available K in downland was higher than that in paddy soil.

从植烟土壤类型看，岗坡地土壤速效钾平均含量大于水稻土。

Microclimate in the Downland Region of Taihang Mountains and the Construction of Artifical Vegetation

太行山低山丘陵区小气候条件与人工植被建设

A Preliminary Study on the Influence of Mixed Manuring and Fertilization on the Fertility of Downland Loss and Yield of Crops

配方施肥对岗黄土肥力和作物产量作用的初探

However, because of the unreasonable breed structure, excessive concentration of mature, and most distribution area: downland and the slopes, the level of citrus mechanization is low.

但由于品种结构不合理，成熟期过于集中，且大都分布在岗地和山坡上，柑橘机械化程度低。