Krishna Udaiwal

#430 added class 'net shortwave radiation'

1

closes #430

Added 'rainy day' and 'rainy day count'

2

closes #365

Added classes: - photosynthetic photon flux - photosynthetic photon flux density closes #363

#392 added classes per 'soil textures'

1

Added classes: - soil texture - loamy sand - fine sand - sandy loam - silt loam - sandy clay loam - clay loam - silty clay loam - sandy...

[#421] Added class 'cation exchange capacity'

2

closes #421

Issue #358 part of [Agronomy project](https://github.com/EnvironmentOntology/envo/projects/3) closes #358

Added classes: - hydraulic conductivity - saturated hydraulic conductivity - soil saturated hydraulic conductivity - saturated soil closes #376

#420 added class 'soil drainage'

5

closes #420

After merging, transfer [percolation process in soil](http://purl.obolibrary.org/obo/AGRO_00000199) to ENVO. NOTE: Cannot make using pattern EA as parent process isn't in ENVO. closes #436

### Term [photosynthetically active radiation](http://purl.obolibrary.org/obo/ENVO_01001864) ### Synonym PAR ### Reason PAR is a common acronym for concept; and sufficiently unique in ENVO Part of AgrO issue [#134](https://github.com/AgriculturalSemantics/agro/issues/134)