《作物营养与施肥》课程教学资源（PPT课件）第七章 常规施肥技术（二）

五其他施肥方式 1滴灌施肥Fertigation: 2免耕施肥Zero-tillage fertilization 3飞机施肥Plane fertilization

五 其他施肥方式 1 滴灌施肥Fertigation： 2 免耕施肥 Zero-tillage fertilization 3 飞机施肥 Plane fertilization

微喷、滴灌 一果园里最适宜的灌溉方式

微喷、滴灌 – 果园里最适宜的灌溉方式 施肥方法 传统模式 根际 磷素的利用率 (%) 50

施肥技术多样化： 土壤施肥

施肥技术多样化： 土壤施肥

随水灌溉施肥 (fertigation)

随水灌溉施肥 (fertigation)

随水滴施肥料

随水滴施肥料

精准施肥 Remote Sensing 3110367.0.400 600.395-0400 900.4040.416 3130.419-0.428 320.440.49 1200.41-0.420 1500.41l0.418

311 0.367~0.400 313 0.419~0.428 312 0.444~0.449 60 0.395~0.400 90 0.404~0.416 120 0.411~0.420 150 0.411~0.418 Remote Sensing 精准施肥

Portable Computer Fertilization Practice 丑Help Ru。h Canopy color information Soil-plant investigation information 100-500m A:soil Nmin testing SPAD,biomass,N% sap nitrate concentration grain yield,field image, aerialimage and so on b,c,d,e: soil Nmin testing,SPAD, sap nitrate concentration, 300-500m

A: soil Nmin testing SPAD, biomass, N% sap nitrate concentration grain yield, field image, aerial image and so on b, c, d, e: soil Nmin testing, SPAD, sap nitrate concentration, 100-500m 300~500m A b c e d Canopy color information Soil-plant investigation information Portable Computer Fertilization Practice

HIGH-TECH TOOLS FOR SITE-SPECIFIC CROP NUTRIENT MANAGEMENT rate soll test datacco AST YEARS YIELDS DIL TEST (K) IL TEST (P) L MAP