high yield soil的意思|示意

The factors affecting soil fertility are: river harnessing, fertilizer application, and the changes in cropping system and land utilization after the adoption of high yield hybrid verities.

影响肥力变化的因子包括河流治理、施肥、高产品种使用后种植制度和土地利用程度的变化等等。

In Huaibei area the unsuitable application of wheat variety, bad climate soil conditions, lower fertility and extensive cultivation were major limiting factors for high wheat yield in large areas.

对近几年淮北小麦生产现状的分析表明，小麦品种使用不当、不良气候、土壤肥力偏低以及栽培粗放是当前淮北小麦大面积生产存在的主要问题。

The activity of soil microorganism is inhibited at low dose. At high dose, the crop yield is decreased by 10%, and on acid soil, by 50%. Alfalfa and tree are also yield decreased.

低剂量时，即可使土壤微生物活性受到抑制， 高剂量时可使农作物减产1 0 % ，在酸性土壤上减产达50 %以上，对苜蓿及树木也同样引起减产。

Ancient laborers paid great attention to adopting various techniques to improve soil quality when plowing the soil, so that the soil could keep sustainable fertility and high rate of yield.

古代劳动人民在土壤耕作过程中，非常注意采用各种技术对土壤性质进行改良，以期土壤保持长久不衰的肥力和高产出率。

This is because that organic matter enriched not only phosphorous in the high yield soil, but also increased soil phosphorous availability through decreasing absorption and fixation.

有机质不仅直接丰富了高产农田的磷库，而且通过提高磷酸化酶的活性，降低土壤磷的吸附、固定，促进解吸，增加了土壤磷的有效性。

High yield orchard soil nutrient storage buffer cumulant is big, middle garden soil accumulation quantity is small, low yield orchard is not obvious.

高产园土壤营养缓冲库累积量大，中产园土壤累积量小，低产园不明显。