1.
he best fertilizer applying period was on the 9th of February for bud fertilizer,the 31st of March for spring tip and the 20th of May for summer tip;
最佳施肥期是2月9日、3月31日、5月20日,分别施萌芽、春梢、夏梢肥;
2.
Wheat fertilization mainly in basal, all organic manure, P and K and half of N fertilizers are applied at plowing, the rest N fertilizer dressed in jointing stage along with irrigation.
小麦施肥主要为基肥，全部有机肥、、和一半氮肥翻地时施入，其余氮肥在拔节期随灌水追施。
3.
Research on Process of Fluvo-Aquic Soil Organic Carbon Mineralization in Initial Stage of Maize Growth Under Long-Term Different Fertilization
长期施肥潮土在玉米季施肥初期的有机碳矿化过程研究
4.
Effect of Long-Term Fixed Position Fertilization on Soil Nutrient and Biological Characters in Loess Soil;
长期定位施肥对黄土肥力和生物性状的影响
5.
The Effect of Zinc and Boron Micro-Fertilizer Applied in the Soil at the Early Tillering Stage of New-Planting Sugarcane;
新植蔗分蘖初期根施锌、硼微肥的肥料效应研究
6.
Characteristic of Nitrogen Use Efficiency of Central Food Crops under Long-term Fertilization;
长期施肥下我国粮食作物氮肥利用率变化特征
7.
Study on the Enzyme Activities and Fertility Change of Soils by a Long-Term Located Utilization of Different Fertilizers
长期定位施肥土壤酶活性及其肥力变化研究
8.
Effect of Long-term Fertilization on the Red Soil Fertility and Crops
长期定位施肥对红壤肥力及作物的影响
9.
Effects of Long-term Located Fertilization on Phosphorus Fertility of Alfisol
长期定位施肥对暗棕壤磷素肥力的影响
10.
Effect of long-term located continuous fertilizer application on yield increasing and soil fertility developing
长期定位连施化肥的增产培肥效应研究
11.
Effects of Chemical Fertilizer and Organic Manure on Rice Yield and Soil Fertility
长期不同施肥对水稻产量及土壤肥力的影响
12.
The Research on Different Fertilization Plan in the Growing Period of Zizyphus Mauritiana Lam;
台湾青枣生长期不同施肥方案的研究
13.
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
14.
CO_2、N_2O Emission from Red Soil Dry-land under Long-term Fertilization
长期施肥下红壤旱地CO_2、N_2O排放特征
15.
Effects of Long-term Application of Single Fertilizer on Soil Quality
长期施用单一肥料对土壤质量的影响
16.
Effect of Long-Term Fertilization on Soil Active Organic Carbon in Paddy Soils
长期施肥对水稻土活性有机碳的影响
17.
Effects of Long-term Fertilization on the Enzyme Activity in Summer Maize
长期定位施肥对夏玉米酶活性的影响
18.
Advances in Phosphorus in Long-Term Fertilized Soil
长期施肥条件下土壤磷素的研究进展