1.
Patterns of Phosphorus Requirement and Phosphorus Supplying Capacity of Alfalfa Planed Soils in Different Growing Years
不同生长年限紫花苜蓿需磷规律及其土壤供磷能力的研究
2.
ON THE STATUS OF SOIL PHOSPHORUS AND THE RESPONSE OF APPLIED PHOSPHATIC FERTILIZERS TO CROPS OF SOME IMPORTANT SOIL TYPES,KIANGSU PROVINCE
江苏省几种主要土壤磷素供应状况和磷肥效果
3.
A Study on the Readily Available Phosphorus of Soil Nutrient Status and the Soil Ability to Supply Phosphorus
容城农田土壤的速效磷养分状况及供磷能力
4.
However for P supply, DAP was found superior source and rock phosphate tended to be equally effective source of P in acid laterite soil.
不过对于磷素供应来说，磷酸二铵是最好的来源，磷矿粉在酸性红壤土上同样有效。
5.
Effect of different phosphorus supply capacity on root volume and root shoot ratio and root bleaching saps compositions in flue-cured tobacco
不同供磷能力的土壤施磷对烤烟根体积和根冠比以及根系伤流组分的影响
6.
Phosphate Solubilization of Two Isolates in Calcareous Soil and Acid Soil;
两株溶磷菌在两种土壤中的溶磷作用
7.
The Effect of Phosphate Fertilizer and Manure on Phosphorus and Phosphorus Buffering Capacity of Soils;
磷肥、有机肥对土壤磷库及土壤磷缓冲能力的影响研究
8.
Effects of applying inorganic P and wheat straw on the microbial biomass P and microbial P concentration in a calcareous soil with low concentration available P
低磷石灰性土壤施磷和小麦秸秆后土壤微生物量磷的变化
9.
The Effects of Phosphorus Application on Rice Yield Increasing Efficiency of Phosphorus and Soil Phosphorus Status in Different Type of Paddy soil of Phosphorus Deficiency
缺磷型稻田土壤施磷增产效应及土壤磷素肥力状况的研究
10.
Change Law of the Phosphorus under Long-term Fertilization in Cinnamon Soil
长期施肥褐土土壤磷素变化规律研究
11.
to influence the water supply of the soil
影响土壤水分的供应
12.
As regards fertility status, almost all soils are deficient in N and about 90% are low to medium in P.
至于肥力状况，几乎所有土壤缺氮，约90%土壤低磷或中磷。
13.
Studies on Solubilizing Effects on Phosphate Rock Powder and Insoluble Phosphorus in Soil of P-solubilizing Microorganisms and Their Mechanism;
解磷微生物溶解磷矿粉和土壤难溶磷的特性及其溶磷方式研究
14.
(2) It was foundation of improving the soil PK nutrient to applying the PK fertilizer.
(2)施用磷肥和钾肥是提高土壤磷钾养分的基础。
15.
The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application.
总磷需求量与土壤磷潜力和施用氮肥有关。
16.
Mechanisms of Phosphorus Availability in the Rhizosphere with Different P-efficient Wheat Genotypes;
不同磷效率小麦根际土壤磷的活化机理研究
17.
Study on the Effects of Phosphorous Bacteria Fertilizer on Phosphorus Validity of Calcareous Soil;
磷细菌肥对石灰性土壤磷有效性影响的研究
18.
The effect of Coupling of Water and Fertilizer and the Dynamic Changes of Water and Phosphorus in the Semi-arid Area;
半干旱区水磷耦合效应及土壤水磷的动态变化